@ARTICLE{2021MNRAS.508.3304P,
       author = {{Perugini}, G.~M. and {Marsden}, S.~C. and {Waite}, I.~A. and {Jeffers}, S.~V. and {Piskunov}, N. and {Shaw}, N. and {Burton}, D.~M. and {Mengel}, M.~W. and {Hughes}, J.~E. and {H{\'e}brard}, E.~M.},
        title = "Evolution of brightness and magnetic features of young solar-type stars - I. The young G star HIP 89829",
      journal = {\mnras},
         year = 2021,
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        pages = {3304-3320},
          doi = {10.1093/mnras/stab2711},
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@ARTICLE{2021SoPh..296...46K,
       author = {{Kostogryz}, Nadiia M. and {Kupka}, Friedrich and {Piskunov}, Nikolai and {Fabbian}, Damian and {Kr{\"u}ger}, Daniel and {Gizon}, Laurent},
        title = "Accurate Short-Characteristics Radiative Transfer in A Numerical Tool for Astrophysical RESearch (ANTARES)",
      journal = {\solphys},
         year = 2021,
       volume = {296},
       number = {3},
          eid = {46},
        pages = {46},
          doi = {10.1007/s11207-021-01777-6},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2021SoPh..296...46K},
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@ARTICLE{2021Msngr.182...27M,
       author = {{Marconi}, A. and {Abreu}, M. and {Adibekyan}, V. and {Aliverti}, M. and {Allende Prieto}, C. and {Amado}, P. and {Amate}, M. and {Artigau}, E. and {Augusto}, S. and {Barros}, S. and {Becerril}, S. and {Benneke}, B. and {Bergin}, E. and {Berio}, P. and {Bezawada}, N. and {Boisse}, I. and {Bonfils}, X. and {Bouchy}, F. and {Broeg}, C. and {Cabral}, A. and {Calvo-Ortega}, R. and {Canto Martins}, B.~L. and {Chazelas}, B. and {Chiavassa}, A. and {Christensen}, L. and {Cirami}, R. and {Coretti}, I. and {Covino}, S. and {Cresci}, G. and {Cristiani}, S. and {Cunha Parro}, V. and {Cupani}, G. and {de Castro Le{\~a}o}, I. and {Renan de Medeiros}, J. and {Furlande Souza}, M.~A. and {Di Marcantonio}, P. and {Di Varano}, I. and {D'Odorico}, V. and {Doyon}, R. and {Drass}, H. and {Figueira}, P. and {Belen Fragoso}, A. and {Uldall Fynbo}, J.~P. and {Gallo}, E. and {Genoni}, M. and {Gonz{\'a}lez Hern{\'a}ndez}, J. and {Haehnelt}, M. and {Hlavacek-Larrondo}, J. and {Hughes}, I. and {Huke}, P. and {Humphrey}, A. and {Kjeldsen}, H. and {Korn}, A. and {Kouach}, D. and {Landoni}, M. and {Liske}, J. and {Lovis}, C. and {Lunney}, D. and {Maiolino}, R. and {Malo}, L. and {Marquart}, T. and {Martins}, C. and {Mason}, E. and {Molaro}, P. and {Monnier}, J. and {Monteiro}, M. and {Mordasini}, C. and {Morris}, T. and {Mucciarelli}, A. and {Murray}, G. and {Niedzielski}, A. and {Nunes}, N. and {Oliva}, E. and {Origlia}, L. and {Pall{\'e}}, E. and {Pariani}, G. and {Parr-Burman}, P. and {Pe{\~n}ate}, J. and {Pepe}, F. and {Pinna}, E. and {Piskunov}, N. and {Rasilla Pi{\~n}eiro}, J.~L. and {Rebolo}, R. and {Rees}, P. and {Reiners}, A. and {Riva}, M. and {Romano}, D. and {Rousseau}, S. and {Sanna}, N. and {Santos}, N. and {Sarajlic}, M. and {Shen}, T. -C. and {Sortino}, F. and {Sosnowska}, D. and {Sousa}, S. and {Stempels}, E. and {Strassmeier}, K. and {Tenegi}, F. and {Tozzi}, A. and {Udry}, S. and {Valenziano}, L. and {Vanzi}, L. and {Weber}, M. and {Woche}, M. and {Xompero}, M. and {Zackrisson}, E. and {Zapatero Osorio}, M.~R.},
        title = "HIRES, the High-resolution Spectrograph for the ELT",
      journal = {The Messenger},
         year = 2021,
       volume = {182},
        pages = {27-32},
          doi = {10.18727/0722-6691/5219},
archivePrefix = {arXiv},
       eprint = {2011.12317},
 primaryClass = {astro-ph.IM},
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@ARTICLE{2021A&A...646A..32P,
       author = {{Piskunov}, Nikolai and {Wehrhahn}, Ansgar and {Marquart}, Thomas},
        title = "Optimal extraction of echelle spectra: Getting the most out of observations",
      journal = {\aap},
         year = 2021,
       volume = {646},
          eid = {A32},
        pages = {A32},
          doi = {10.1051/0004-6361/202038293},
archivePrefix = {arXiv},
       eprint = {2008.05827},
 primaryClass = {astro-ph.IM},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2021A&A...646A..32P},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
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@INPROCEEDINGS{2020SPIE11447E..26M,
       author = {{Marconi}, A. and {Abreu}, M. and {Adibekyan}, V. and {Aliverti}, M. and {Allende Prieto}, C. and {Amado}, P. and {Amate}, M. and {Artigau}, E. and {Augusto}, S. and {Barros}, S. and {Becerril}, S. and {Benneke}, B. and {Bergin}, E. and {Berio}, P. and {Bezawada}, N. and {Boisse}, I. and {Bonfils}, X. and {Bouchy}, F. and {Broeg}, C. and {Cabral}, A. and {Calvo-Ortega}, R. and {Canto Martins}, B.~L. and {Chazelas}, B. and {Chiavassa}, A. and {Christensen}, L. and {Cirami}, R. and {Coretti}, I. and {Covino}, S. and {Cresci}, G. and {Cristiani}, S. and {Cunha Parro}, V. and {Cupani}, G. and {D'Odorico}, V. and {de Castro Le{\~a}o}, I. and {de Medeiros}, J.~R. and {de Souza}, M. and {Di Marcantonio}, P. and {Di Varano}, I. and {Doyon}, R. and {Drass}, H. and {Figueira}, P. and {Fragoso}, A. and {Fynbo}, J. and {Gallo}, E. and {Genoni}, M. and {Gonz{\'a}lez Hern{\'a}ndez}, J. and {Gratton}, R. and {Haehnelt}, M. and {Hansen}, C. and {Hlavacek-Larrondo}, J. and {Hughes}, I. and {Huke}, P. and {Humphrey}, A. and {Kjeldsen}, H. and {Korn}, A. and {Kouach}, D. and {Landoni}, M. and {Liske}, J. and {Lovis}, C. and {Lunney}, D. and {Maiolino}, R. and {Malo}, L. and {Marquart}, T. and {Martins}, C.~J.~A.~P. and {Maslowski}, P. and {Mason}, E. and {Micela}, G. and {Molaro}, P. and {Monnier}, J. and {Monteiro}, M. and {Mordasini}, C. and {Morris}, T. and {Mucciarelli}, A. and {Murray}, G. and {Niedzielski}, A. and {Niemczura}, E. and {Nisini}, B. and {Nunes}, N. and {Oliva}, E. and {Origlia}, L. and {Pall{\'e}}, E. and {Pariani}, G. and {Parr-Burman}, P. and {Pasquini}, L. and {Pe{\~n}ate}, J. and {Pepe}, F. and {Pietrzynski}, G. and {Pinna}, E. and {Piskunov}, N. and {Pollo}, A. and {Rasilla}, J. and {Rebolo}, R. and {Rees}, P. and {Reiners}, A. and {Riva}, M. and {Romano}, D. and {Rousseau}, S. and {Sanna}, N. and {Sarajlic}, M. and {Shen}, T. -C. and {Sortino}, F. and {Sosnowska}, D. and {Sousa}, S. and {Stempels}, E. and {Strassmeier}, K. and {Tenegi}, F. and {Tozzi}, A. and {Udry}, S. and {Valenziano}, L. and {Vanzi}, L. and {Weber}, M. and {Woche}, M. and {Xompero}, M. and {Zackrisson}, E. and {Zapatero Osorio}, M.~R.},
        title = "ELT-HIRES, the high resolution spectrograph for the ELT: the Phase A study and the path to construction",
    booktitle = {Society of Photo-Optical Instrumentation Engineers (SPIE) Conference Series},
         year = 2020,
       series = {Society of Photo-Optical Instrumentation Engineers (SPIE) Conference Series},
       volume = {11447},
          eid = {1144726},
        pages = {1144726},
          doi = {10.1117/12.2560489},
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@INPROCEEDINGS{2020svos.conf..155F,
       author = {{Fabbian}, D. and {Kupka}, F. and {Kr{\"u}ger}, D. and {Kostogryz}, N.~M. and {Piskunov}, N.},
        title = "Shine BRITE: shedding light on stellar variability through advanced models",
    booktitle = {Stars and their Variability Observed from Space},
         year = 2020,
       editor = {{Neiner}, C. and {Weiss}, W.~W. and {Baade}, D. and {Griffin}, R.~E. and {Lovekin}, C.~C. and {Moffat}, A.~F.~J.},
        pages = {155-159},
archivePrefix = {arXiv},
       eprint = {2002.01560},
 primaryClass = {astro-ph.SR},
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@ARTICLE{2019ARep...63.1010P,
       author = {{Pakhomov}, Yu. V. and {Ryabchikova}, T.~A. and {Piskunov}, N.~E.},
        title = "Hyperfine Splitting in the VALD Database of Spectral-line Parameters",
      journal = {Astronomy Reports},
         year = 2019,
       volume = {63},
       number = {12},
        pages = {1010-1021},
          doi = {10.1134/S1063772919120047},
archivePrefix = {arXiv},
       eprint = {1911.03189},
 primaryClass = {astro-ph.IM},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2019ARep...63.1010P},
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@ARTICLE{2019SoPh..294..156R,
       author = {{Ryabchikova}, T. and {Piskunov}, N. and {Sitnova}, T.},
        title = "Evaluation of the Recent Atomic Data for Fe uc(i) Lines Based on Solar and Stellar Spectra",
      journal = {\solphys},
         year = 2019,
       volume = {294},
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        pages = {156},
          doi = {10.1007/s11207-019-1543-2},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2019SoPh..294..156R},
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@ARTICLE{2019A&A...630A.122A,
       author = {{Aronson}, Erik and {Piskunov}, Nikolai},
        title = "Model-free inverse method for transit imaging of stellar surfaces. Using transit surveys to map stellar spot coverage",
      journal = {\aap},
         year = 2019,
       volume = {630},
          eid = {A122},
        pages = {A122},
          doi = {10.1051/0004-6361/201833840},
archivePrefix = {arXiv},
       eprint = {1902.06555},
 primaryClass = {astro-ph.IM},
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@ARTICLE{2019A&A...629A.120C,
       author = {{Cole-Kodikara}, Elizabeth M. and {K{\"a}pyl{\"a}}, Maarit J. and {Lehtinen}, Jyri J. and {Hackman}, Thomas and {Ilyin}, Ilya V. and {Piskunov}, Nikolai and {Kochukhov}, Oleg},
        title = "Spot evolution on LQ Hya from 2006-2017: temperature maps based on SOFIN and FIES data",
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         year = 2019,
       volume = {629},
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archivePrefix = {arXiv},
       eprint = {1904.08713},
 primaryClass = {astro-ph.SR},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2019A&A...629A.120C},
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@ARTICLE{2019A&A...625A..79H,
       author = {{Hackman}, T. and {Ilyin}, I. and {Lehtinen}, J.~J. and {Kochukhov}, O. and {K{\"a}pyl{\"a}}, M.~J. and {Piskunov}, N. and {Willamo}, T.},
        title = "Starspot activity of HD 199178. Doppler images from 1994-2017",
      journal = {\aap},
         year = 2019,
       volume = {625},
          eid = {A79},
        pages = {A79},
          doi = {10.1051/0004-6361/201834763},
archivePrefix = {arXiv},
       eprint = {1812.02013},
 primaryClass = {astro-ph.SR},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2019A&A...625A..79H},
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@ARTICLE{2019yCat..36250079H,
       author = {{Hackman}, T. and {Ilyin}, I. and {Lehtinen}, J.~J. and {Kochukhov}, O. and {Kaepylae}, M.~J. and {Piskunov}, N. and {Willamo}, T.},
        title = "VizieR Online Data Catalog: HD199178 1994-2017 spectra (Hackman+, 2019)",
      journal = {VizieR Online Data Catalog},
         year = 2019,
          eid = {J/A+A/625/A79},
        pages = {J/A+A/625/A79},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2019yCat..36250079H},
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@ARTICLE{2019Msngr.175....3D,
       author = {{de Jong}, R.~S. and {Agertz}, O. and {Berbel}, A.~A. and {Aird}, J. and {Alexander}, D.~A. and {Amarsi}, A. and {Anders}, F. and {Andrae}, R. and {Ansarinejad}, B. and {Ansorge}, W. and et al.},
        title = "4MOST: Project overview and information for the First Call for Proposals",
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         year = 2019,
       volume = {175},
        pages = {3-11},
          doi = {10.18727/0722-6691/5117},
archivePrefix = {arXiv},
       eprint = {1903.02464},
 primaryClass = {astro-ph.IM},
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@ARTICLE{2019yCat..36220170W,
       author = {{Willamo}, T. and {Hackman}, T. and {Lehtinen}, J.~J. and {Kapyla}, M.~J. and {Ilyin}, I. and {Henry}, G.~W. and {Jetsu}, L. and {Kochukhov}, O. and {Piskunov}, N.},
        title = "VizieR Online Data Catalog: V-band differential photometry for V889 Her (Willamo+, 2019)",
      journal = {VizieR Online Data Catalog},
         year = 2019,
          eid = {J/A+A/622/A170},
        pages = {J/A+A/622/A170},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2019yCat..36220170W},
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@ARTICLE{2019A&A...622A.170W,
       author = {{Willamo}, T. and {Hackman}, T. and {Lehtinen}, J.~J. and {K{\"a}pyl{\"a}}, M.~J. and {Ilyin}, I. and {Henry}, G.~W. and {Jetsu}, L. and {Kochukhov}, O. and {Piskunov}, N.},
        title = "Long-term spot monitoring of the young solar analogue V889 Herculis",
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         year = 2019,
       volume = {622},
          eid = {A170},
        pages = {A170},
          doi = {10.1051/0004-6361/201834562},
archivePrefix = {arXiv},
       eprint = {1811.05330},
 primaryClass = {astro-ph.SR},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2019A&A...622A.170W},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
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@ARTICLE{2018Galax...6...93R,
       author = {{Ryabchikova}, Tatiana and {Pakhomov}, Yury and {Piskunov}, Nikolai},
        title = "VALD: The Meeting Point of Data Producers and Data Users",
      journal = {Galaxies},
         year = 2018,
       volume = {5},
       number = {3},
          eid = {93},
        pages = {93},
          doi = {10.3390/galaxies6030093},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2018Galax...6...93R},
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@INPROCEEDINGS{2018SPIE10702E..6BD,
       author = {{Dorval}, Patrick and {Snik}, Frans and {Piskunov}, Nikolai and {Navarro}, Ram{\'{o}}n and {Kragt}, Jan and {ter Horst}, Rik and {Kunst}, Peter and {Snellen}, Ignas and {Naylor}, Tim and {Thompson}, Samantha},
        title = "Analysis of the polarimetric performance of the HARPS3 Cassegrain adaptor unit",
    booktitle = {Ground-based and Airborne Instrumentation for Astronomy VII},
         year = 2018,
       editor = {{Evans}, Christopher J. and {Simard}, Luc and {Takami}, Hideki},
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@INPROCEEDINGS{2018SPIE10702E..39B,
       author = {{Brucalassi}, Anna and {Dorn}, Reinhold J. and {Follert}, Roman and {Hatzes}, Artie and {Bristow}, Paul and {Seemann}, Ulf and {Cumani}, Claudio and {Eschbaumer}, Siegfried and {Haimerl}, Andreas and {Haug}, Marcus and {Heiter}, Ulrike and {Hinterschuster}, Renate and {Ives}, Derek J. and {Jung}, Yves and {Kerber}, Florian and {Klein}, Barbara and {Lavail}, Alexis and {Lizon}, Jean Louis and {Marquart}, Thomas and {Moins}, Christophe and {Molina-Conde}, Ignacio and {Oliva}, Ernesto and {Pasquini}, Luca and {Paufique}, J{\'e}r{\^o}me and {Piskunov}, Nikolai and {Stegmeier}, J{\"o}rg and {Stempels}, Eric and {Tordo}, Sebastien and {Valenti}, Elena and {Anwand-Heerwart}, Heiko and {Hauptner}, Katja and {Jeep}, Peter and {Marvin}, Christopher and {Reiners}, Ansgar and {Rhode}, Petra and {Schmidt}, Christof and {Umlauf}, Tim},
        title = "Full system test and early preliminary acceptance Europe results for CRIRES+",
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         year = 2018,
       editor = {{Evans}, Christopher J. and {Simard}, Luc and {Takami}, Hideki},
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@INPROCEEDINGS{2018SPIE10702E..34P,
       author = {{Piskunov}, Nikolai and {Stempels}, Eric and {Lavail}, Alexis and {Escuti}, Michael and {Snik}, Frans and {Dolgopolov}, Andrey and {Rozel}, Milan and {Durandet}, Candice and {Hatzes}, Artie and {Bristow}, Paul and {Brucalassi}, Anna and {Cumani}, Claudio and {Dorn}, Reinhold J. and {Haimerl}, Andreas and {Heiter}, Ulrike and {Hinterschuster}, Renate and {Follert}, Roman and {Ives}, Derek and {Jung}, Yves and {Kerber}, Florian and {Klein}, Barbara and {Lizon}, Jean-Louis and {Marquart}, Thomas and {Molina-Conde}, Ignacio and {Pasquini}, Luca and {Paufique}, J{\'e}r{\^o}me and {Oliva}, Ernesto and {Reiners}, Ansgar and {Seemann}, Ulf and {Stegmeier}, J{\"o}rg and {Tordo}, Sebastien and {Valenti}, Elena},
        title = "A unique infrared spectropolarimetric unit for CRIRES+",
    booktitle = {Ground-based and Airborne Instrumentation for Astronomy VII},
         year = 2018,
       editor = {{Evans}, Christopher J. and {Simard}, Luc and {Takami}, Hideki},
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@INPROCEEDINGS{2018SPIE10702E..1YM,
       author = {{Marconi}, A. and {Allende Prieto}, C. and {Amado}, P.~J. and {Amate}, M. and {Augusto}, S.~R. and {Becerril}, S. and {Bezawada}, N. and {Boisse}, I. and {Bouchy}, F. and {Cabral}, A. and {Chazelas}, B. and {Cirami}, R. and {Coretti}, I. and {Cristiani}, S. and {Cupani}, G. and {de Castro Le{\~a}o}, I. and {de Medeiros}, J.~R. and {de Souza}, M.~A.~F. and {Di Marcantonio}, P. and {Di Varano}, I. and {D'Odorico}, V. and {Drass}, H. and {Figueira}, P. and {Fragoso}, A.~B. and {Fynbo}, J.~P.~U. and {Genoni}, M. and {Gonz{\'a}lez Hern{\'a}ndez}, J.~I. and {Haehnelt}, M. and {Hughes}, I. and {Huke}, P. and {Kjeldsen}, H. and {Korn}, A.~J. and {Landoni}, M. and {Liske}, J. and {Lovis}, C. and {Maiolino}, R. and {Marquart}, T. and {Martins}, C.~J.~A.~P. and {Mason}, E. and {Monteiro}, M.~A. and {Morris}, T. and {Murray}, G. and {Niedzielski}, A. and {Oliva}, E. and {Origlia}, L. and {Pall{\'e}}, E. and {Parr-Burman}, P. and {Parro}, V.~C. and {Pepe}, F. and {Piskunov}, N. and {Rasilla}, J.~L. and {Rees}, P. and {Rebolo}, R. and {Riva}, M. and {Rousseau}, S. and {Sanna}, N. and {Santos}, N.~C. and {Shen}, T. -C. and {Sortino}, F. and {Sosnowska}, D. and {Sousa}, S. and {Stempels}, E. and {Strassmeier}, K. and {Tenegi}, F. and {Tozzi}, A. and {Udry}, S. and {Valenziano}, L. and {Vanzi}, L. and {Weber}, M. and {Woche}, M. and {Xompero}, M. and {Zackrisson}, E.},
        title = "ELT-HIRES, the high resolution spectrograph for the ELT: results from the Phase A study",
    booktitle = {Ground-based and Airborne Instrumentation for Astronomy VII},
         year = 2018,
       editor = {{Evans}, Christopher J. and {Simard}, Luc and {Takami}, Hideki},
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@ARTICLE{2018AJ....155..208A,
       author = {{Aronson}, Erik and {Piskunov}, Nikolai},
        title = "Model-independent Exoplanet Transit Spectroscopy",
      journal = {\aj},
         year = 2018,
       volume = {155},
       number = {5},
          eid = {208},
        pages = {208},
          doi = {10.3847/1538-3881/aaa3fe},
archivePrefix = {arXiv},
       eprint = {1803.05327},
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@ARTICLE{2018PhyS...93c5001R,
       author = {{Regandell}, Samuel and {Marquart}, Thomas and {Piskunov}, Nikolai},
        title = "Inside a VAMDC data node{-}putting standards into practical software",
      journal = {\physscr},
         year = 2018,
       volume = {93},
       number = {3},
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@INPROCEEDINGS{2017sbcs.conf..209P,
       author = {{Piskunov}, N.},
        title = "Deriving stellar parameters with the SME software package",
    booktitle = {Second BRITE-Constellation Science Conference: Small Satellites - Big Science},
         year = 2017,
       editor = {{Zwintz}, Konstanze and {Poretti}, Ennio},
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@INPROCEEDINGS{2017ASPC..510..518P,
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        title = "VALD3: Current Developments",
    booktitle = {Stars: From Collapse to Collapse},
         year = 2017,
       editor = {{Balega}, Yu. Yu. and {Kudryavtsev}, D.~O. and {Romanyuk}, I.~I. and {Yakunin}, I.~A.},
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@INPROCEEDINGS{2017ASPC..510..514P,
       author = {{Piskunov}, N.},
        title = "Main High-Resolution Near-IR Spectrometer for the VLT",
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       editor = {{Balega}, Yu. Yu. and {Kudryavtsev}, D.~O. and {Romanyuk}, I.~I. and {Yakunin}, I.~A.},
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@INPROCEEDINGS{2017ASPC..510..509P,
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        title = "Program Package for the Analysis of High Resolution High Signal-To-Noise Stellar Spectra",
    booktitle = {Stars: From Collapse to Collapse},
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       editor = {{Balega}, Yu. Yu. and {Kudryavtsev}, D.~O. and {Romanyuk}, I.~I. and {Yakunin}, I.~A.},
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@ARTICLE{2017ApJS..230...12B,
       author = {{Brewer}, John M. and {Fischer}, Debra A. and {Valenti}, Jeff A. and {Piskunov}, Nikolai},
        title = "Erratum: Spectral Properties of Cool Stars: Extended Abundance Analysis of 1617 Planet Search Stars (<A href=``https://doi.org/10.3847/0067-0049/225/2/32''>2016, ApJS, 225, 32</A>)",
      journal = {\apjs},
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@ARTICLE{2017A&A...597A..16P,
       author = {{Piskunov}, Nikolai and {Valenti}, Jeff A.},
        title = "Spectroscopy Made Easy: Evolution",
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       volume = {597},
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          doi = {10.1051/0004-6361/201629124},
archivePrefix = {arXiv},
       eprint = {1606.06073},
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@ARTICLE{2016yCat..22250032B,
       author = {{Brewer}, J.~M. and {Fischer}, D.~A. and {Valenti}, J.~A. and {Piskunov}, N.},
        title = "VizieR Online Data Catalog: Extended abundance analysis of cool stars (Brewer+, 2016)",
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         year = 2016,
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        pages = {J/ApJS/225/32},
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@ARTICLE{2016yCat..74561221R,
       author = {{Ryabchikova}, T. and {Piskunov}, N. and {Pakhomov}, Y. and {Tsymbal}, V. and {Titarenko}, A. and {Sitnova}, T. and {Alexeeva}, S. and {Fossati}, L. and {Mashonkina}, L.},
        title = "VizieR Online Data Catalog: FGK dwarfs atmospheric parameters (Ryabchikova+, 2016)",
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         year = 2016,
          eid = {J/MNRAS/456/1221},
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@INPROCEEDINGS{2016SPIE.9912E..2BF,
       author = {{Follert}, Roman and {Taubert}, Dieter and {Hollandt}, J{\"o}rg and {Monte}, Christian and {Oliva}, Ernesto and {Seemann}, Ulf and {L{\"o}winger}, Tom and {Anwand-Heerwart}, Heiko and {Schmidt}, Christof and {Dorn}, Reinhold J. and {Bristow}, Paul and {Hatzes}, Artie and {Reiners}, Ansgar and {Piskunov}, Nikolai and {Heiter}, Ulrike and {Stempels}, Eric and {Marquart}, Thomas and {Lavail}, Alexis and {Cumani}, Claudio and {Grunhut}, Jason and {Haimerl}, Andreas and {Hinterschuster}, Renate and {Ives}, Derek J. and {Jung}, Yves and {Kerber}, Florian and {Klein}, Barbara and {Lizon}, Jean Louis and {Molina-Conde}, Ignacio and {Nicholson}, Belinda and {Origlia}, Livia and {Pasquini}, Luca and {Paufique}, J{\'e}r{\^o}me and {Stegmeier}, J{\"o}rg and {Tordo}, Sebastien},
        title = "Characterizing the cross dispersion reflection gratings of CRIRES+",
    booktitle = {Advances in Optical and Mechanical Technologies for Telescopes and Instrumentation II},
         year = 2016,
       editor = {{Navarro}, Ram{\'o}n and {Burge}, James H.},
       series = {Society of Photo-Optical Instrumentation Engineers (SPIE) Conference Series},
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@INPROCEEDINGS{2016SPIE.9908E..6FT,
       author = {{Thompson}, Samantha J. and {Queloz}, Didier and {Baraffe}, Isabelle and {Brake}, Martyn and {Dolgopolov}, Andrey and {Fisher}, Martin and {Fleury}, Michel and {Geelhoed}, Joost and {Hall}, Richard and {Gonz{\'a}lez Hern{\'a}ndez}, Jonay I. and {ter Horst}, Rik and {Kragt}, Jan and {Navarro}, Ram{\'o}n and {Naylor}, Tim and {Pepe}, Francesco and {Piskunov}, Nikolai and {Rebolo}, Rafael and {Sander}, Louis and {S{\'e}gransan}, Damien and {Seneta}, Eugene and {Sing}, David and {Snellen}, Ignas and {Snik}, Frans and {Spronck}, Julien and {Stempels}, Eric and {Sun}, Xiaowei and {Santana Tschudi}, Samuel and {Young}, John},
        title = "HARPS3 for a roboticized Isaac Newton Telescope",
    booktitle = {Ground-based and Airborne Instrumentation for Astronomy VI},
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       editor = {{Evans}, Christopher J. and {Simard}, Luc and {Takami}, Hideki},
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@INPROCEEDINGS{2016SPIE.9908E..23M,
       author = {{Marconi}, A. and {Di Marcantonio}, P. and {D'Odorico}, V. and {Cristiani}, S. and {Maiolino}, R. and {Oliva}, E. and {Origlia}, L. and {Riva}, M. and {Valenziano}, L. and {Zerbi}, F.~M. and {Abreu}, M. and {Adibekyan}, V. and {Allende Prieto}, C. and {Amado}, P.~J. and {Benz}, W. and {Boisse}, I. and {Bonfils}, X. and {Bouchy}, F. and {Buchhave}, L. and {Buscher}, D. and {Cabral}, A. and {Canto Martins}, B.~L. and {Chiavassa}, A. and {Coelho}, J. and {Christensen}, L.~B. and {Delgado-Mena}, E. and {de Medeiros}, J.~R. and {Di Varano}, I. and {Figueira}, P. and {Fisher}, M. and {Fynbo}, J.~P.~U. and {Glasse}, A.~C.~H. and {Haehnelt}, M. and {Haniff}, C. and {Hansen}, C.~J. and {Hatzes}, A. and {Huke}, P. and {Korn}, A.~J. and {Le{\~a}o}, I.~C. and {Liske}, J. and {Lovis}, C. and {Maslowski}, P. and {Matute}, I. and {McCracken}, R.~A. and {Martins}, C.~J.~A.~P. and {Monteiro}, M.~J.~P.~F.~G. and {Morris}, S. and {Morris}, T. and {Nicklas}, H. and {Niedzielski}, A. and {Nunes}, N.~J. and {Pall{\'{e}}}, E. and {Parr-Burman}, P.~M. and {Parro}, V. and {Parry}, I. and {Pepe}, F. and {Piskunov}, N. and {Queloz}, D. and {Quirrenbach}, A. and {Rebolo L{\'{o}}pez}, R. and {Reiners}, A. and {Reid}, D.~T. and {Santos}, N. and {Seifert}, W. and {Sousa}, S. and {Stempels}, H.~C. and {Strassmeier}, K. and {Sun}, X. and {Udry}, S. and {Vanzi}, L. and {Vestergaard}, M. and {Weber}, M. and {Zackrisson}, E.},
        title = "EELT-HIRES the high-resolution spectrograph for the E-ELT",
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@INPROCEEDINGS{2016SPIE.9908E..1OD,
       author = {{de Jong}, Roelof S. and {Barden}, Samuel C. and {Bellido-Tirado}, Olga and {Brynnel}, Joar G. and {Frey}, Steffen and {Giannone}, Domenico and {Haynes}, Roger and {Johl}, Diana and {Phillips}, Daniel and {Schnurr}, Olivier and {Walcher}, Jakob C. and {Winkler}, Roland and {Ansorge}, Wolfgang R. and {Feltzing}, Sofia and {McMahon}, Richard G. and {Baker}, Gabriella and {Caillier}, Patrick and {Dwelly}, Tom and {Gaessler}, Wolfgang and {Iwert}, Olaf and {Mandel}, Holger G. and {Piskunov}, Nikolai A. and {Pragt}, Johan H. and {Walton}, Nicholas A. and {Bensby}, Thomas and {Bergemann}, Maria and {Chiappini}, Cristina and {Christlieb}, Norbert and {Cioni}, Maria-Rosa L. and {Driver}, Simon and {Finoguenov}, Alexis and {Helmi}, Amina and {Irwin}, Michael J. and {Kitaura}, Francisco-Shu and {Kneib}, Jean-Paul and {Liske}, Jochen and {Merloni}, Andrea and {Minchev}, Ivan and {Richard}, Johan and {Starkenburg}, Else},
        title = "4MOST: the 4-metre Multi-Object Spectroscopic Telescope project at preliminary design review",
    booktitle = {Ground-based and Airborne Instrumentation for Astronomy VI},
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       editor = {{Evans}, Christopher J. and {Simard}, Luc and {Takami}, Hideki},
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@INPROCEEDINGS{2016SPIE.9908E..0ID,
       author = {{Dorn}, Reinhold J. and {Follert}, Roman and {Bristow}, Paul and {Cumani}, Claudio and {Eschbaumer}, Siegfried and {Grunhut}, Jason and {Haimerl}, Andreas and {Hatzes}, Artie and {Heiter}, Ulrike and {Hinterschuster}, Renate and {Ives}, Derek J. and {Jung}, Yves and {Kerber}, Florian and {Klein}, Barbara and {Lavail}, Alexis and {Lizon}, Jean Louis and {L{\"o}winger}, Tom and {Molina-Conde}, Ignacio and {Nicholson}, Belinda and {Marquart}, Thomas and {Oliva}, Ernesto and {Origlia}, Livia and {Pasquini}, Luca and {Paufique}, J{\'e}r{\^o}me and {Piskunov}, Nikolai and {Reiners}, Ansgar and {Seemann}, Ulf and {Stegmeier}, J{\"o}rg and {Stempels}, Eric and {Tordo}, Sebastien},
        title = "The ``+'' for CRIRES: enabling better science at infrared wavelength and high spectral resolution at the ESO VLT",
    booktitle = {Ground-based and Airborne Instrumentation for Astronomy VI},
         year = 2016,
       editor = {{Evans}, Christopher J. and {Simard}, Luc and {Takami}, Hideki},
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@ARTICLE{2016ApJS..225...32B,
       author = {{Brewer}, John M. and {Fischer}, Debra A. and {Valenti}, Jeff A. and {Piskunov}, Nikolai},
        title = "Spectral Properties of Cool Stars: Extended Abundance Analysis of 1,617 Planet-search Stars",
      journal = {\apjs},
         year = 2016,
       volume = {225},
       number = {2},
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        pages = {32},
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@INPROCEEDINGS{2016csss.confE.118S,
       author = {{Shulyak}, Denis and {Malo}, Lison and {Reiners}, Ansgar and {Kochukhov}, Oleg and {Jeffers}, Sandra and {Piskunov}, Nikolai},
        title = "Hunting For Strong Magnetic Fields In Rapidly Rotating Sun-Like Stars With Stokes-I Observations",
    booktitle = {19th Cambridge Workshop on Cool Stars, Stellar Systems, and the Sun (CS19)},
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@INPROCEEDINGS{2016csss.confE..48L,
       author = {{Lavail}, Alexis and {Piskunov}, Nikolai and {Heiter}, Ulrike and {Marquart}, Thomas and {Stempels}, Eric and {Crires+ Consortium}},
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@MISC{2016zndo.....50215B,
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        title = "Hlinop: April 2016 Release",
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@ARTICLE{2016IAUTA..29..428C,
       author = {{Cunha}, Katia and {Soderblom}, David R. and {Piskunov}, Nikolai and {Aoki}, Wako and {Asplund}, Martin and {Carpenter}, Kenneth G. and {Crowther}, Paul and {Melendez}, Jorge and {Venn}, Kimberly and {Hill}, Vanessa and {Yong}, David},
        title = "Highlights of IAU Commission 29: Recent Advances and Perspectives on Stellar Spectroscopy",
      journal = {Transactions of the International Astronomical Union, Series A},
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       volume = {29A},
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@ARTICLE{2016MNRAS.456.1221R,
       author = {{Ryabchikova}, T. and {Piskunov}, N. and {Pakhomov}, Yu. and {Tsymbal}, V. and {Titarenko}, A. and {Sitnova}, T. and {Alexeeva}, S. and {Fossati}, L. and {Mashonkina}, L.},
        title = "Accuracy of atmospheric parameters of FGK dwarfs determined by spectrum fitting",
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         year = 2016,
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          doi = {10.1093/mnras/stv2725},
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@ARTICLE{2016ARep...60....1B,
       author = {{Boyarchuk}, A.~A. and {Shustov}, B.~M. and {Savanov}, I.~S. and {Sachkov}, M.~E. and {Bisikalo}, D.~V. and {Mashonkina}, L.~I. and {Wiebe}, D.~Z. and {Shematovich}, V.~I. and {Shchekinov}, Yu. A. and {Ryabchikova}, T.~A. and {Chugai}, N.~N. and {Ivanov}, P.~B. and {Voshchinnikov}, N.~V. and {Gomez de Castro}, A.~I. and {Lamzin}, S.~A. and {Piskunov}, N. and {Ayres}, T. and {Strassmeier}, K.~G. and {Jeffrey}, S. and {Zwintz}, S.~K. and {Shulyak}, D. and {G{\'e}rard}, J. -C. and {Hubert}, B. and {Fossati}, L. and {Lammer}, H. and {Werner}, K. and {Zhilkin}, A.~G. and {Kaigorodov}, P.~V. and {Sichevskii}, S.~G. and {Ustamuich}, S. and {Kanev}, E.~N. and {Kil'pio}, E. Yu.},
        title = "Scientific problems addressed by the Spektr-UV space project (world space Observatory{-}Ultraviolet)",
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@ARTICLE{2015ExA....40..329T,
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        title = "The EChO science case",
      journal = {Experimental Astronomy},
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       volume = {40},
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@ARTICLE{2015A&A...581C...1A,
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@ARTICLE{2015A&A...581A..69C,
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        title = "Doppler imaging of LQ Hydrae for 1998-2002",
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         year = 2015,
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@INPROCEEDINGS{2015pthp.confE..54P,
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        title = "Posters: Poster \#73927: High-resolution transmission spectroscopy of exoplanets with the ground-based instruments",
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@MISC{2015ascl.soft07008B,
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@ARTICLE{2015ApJ...805..126B,
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@ARTICLE{2015MNRAS.448.3038K,
       author = {{Korhonen}, H. and {Andersen}, J.~M. and {Piskunov}, N. and {Hackman}, T. and {Juncher}, D. and {J{\"a}rvinen}, S.~P. and {J{\o}rgensen}, U.~G.},
        title = "Stellar activity as noise in exoplanet detection - I. Methods and application to solar-like stars and activity cycles",
      journal = {\mnras},
         year = 2015,
       volume = {448},
       number = {4},
        pages = {3038-3052},
          doi = {10.1093/mnras/stu2730},
archivePrefix = {arXiv},
       eprint = {1501.00981},
 primaryClass = {astro-ph.EP},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2015MNRAS.448.3038K},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}

@INPROCEEDINGS{2015ASPC..494..308R,
       author = {{Ryabchikova}, T. and {Piskunov}, N. and {Shulyak}, D.},
        title = "On the Accuracy of Atmospheric Parameter Determination in BAFGK Stars",
    booktitle = {Physics and Evolution of Magnetic and Related Stars},
         year = 2015,
       editor = {{Balega}, Yu. Yu. and {Romanyuk}, I.~I. and {Kudryavtsev}, D.~O.},
       series = {Astron.\ Soc.\ Pacific Conf.\ Ser.},
       volume = {494},
        pages = {308},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2015ASPC..494..308R},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
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@ARTICLE{2015AJ....149...67B,
       author = {{Brown}, Alexander and {Neff}, James E. and {Ayres}, Thomas R. and {Kowalski}, Adam and {Hawley}, Suzanne and {Berdyugina}, Svetlana and {Harper}, Graham M. and {Korhonen}, Heidi and {Piskunov}, Nikolai and {Saar}, Steven and {Walkowicz}, Lucianne and {Wells}, Mark A.},
        title = "Serendipitous Discovery of a Dwarf Nova in the Kepler Field Near the G Dwarf KIC 5438845",
      journal = {\aj},
         year = 2015,
       volume = {149},
       number = {2},
          eid = {67},
        pages = {67},
          doi = {10.1088/0004-6256/149/2/67},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2015AJ....149...67B},
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@ARTICLE{2015A&A...574A..79K,
       author = {{Kochukhov}, O. and {Rusomarov}, N. and {Valenti}, J.~A. and {Stempels}, H.~C. and {Snik}, F. and {Rodenhuis}, M. and {Piskunov}, N. and {Makaganiuk}, V. and {Keller}, C.~U. and {Johns-Krull}, C.~M.},
        title = "Magnetic field topology and chemical spot distributions in the extreme Ap star HD 75049",
      journal = {\aap},
         year = 2015,
       volume = {574},
          eid = {A79},
        pages = {A79},
          doi = {10.1051/0004-6361/201425065},
archivePrefix = {arXiv},
       eprint = {1411.7518},
 primaryClass = {astro-ph.SR},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2015A&A...574A..79K},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
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@INPROCEEDINGS{2015IAUS..307..395R,
       author = {{Rusomarov}, N. and {Kochukhov}, O. and {Piskunov}, N.},
        title = "Stellar magnetic fields from four Stokes parameter observations",
    booktitle = {New Windows on Massive Stars},
         year = 2015,
       editor = {{Meynet}, Georges and {Georgy}, Cyril and {Groh}, Jos{\'e} and {Stee}, Philippe},
       volume = {307},
        pages = {395-396},
          doi = {10.1017/S1743921314007248},
archivePrefix = {arXiv},
       eprint = {1407.7912},
 primaryClass = {astro-ph.SR},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2015IAUS..307..395R},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
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@ARTICLE{2015A&A...573A.123R,
       author = {{Rusomarov}, N. and {Kochukhov}, O. and {Ryabchikova}, T. and {Piskunov}, N.},
        title = "Three-dimensional magnetic and abundance mapping of the cool Ap star HD 24712. II. Two-dimensional magnetic Doppler imaging in all four Stokes parameters",
      journal = {\aap},
         year = 2015,
       volume = {573},
          eid = {A123},
        pages = {A123},
          doi = {10.1051/0004-6361/201424559},
archivePrefix = {arXiv},
       eprint = {1409.6955},
 primaryClass = {astro-ph.SR},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2015A&A...573A.123R},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
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@INPROCEEDINGS{2014psce.conf..380R,
       author = {{Rusomarov}, N. and {Kochukhov}, O. and {Piskunov}, N.},
        title = "Magnetic fields of Ap stars from full Stokes spectropolarimetric observations",
    booktitle = {Putting A Stars into Context: Evolution, Environment, and Related Stars},
         year = 2014,
       editor = {{Mathys}, Gautier and {Griffin}, Elizabeth R. and {Kochukhov}, Oleg and {Monier}, Richard and {Wahlgren}, Glenn M.},
        pages = {380-385},
archivePrefix = {arXiv},
       eprint = {1310.0664},
 primaryClass = {astro-ph.SR},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2014psce.conf..380R},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
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@INPROCEEDINGS{2014psce.conf..130P,
       author = {{Piskunov}, N. and {Ryabchikova}, T. and {Titarenko}, A. and {Pakhomov}, Yu. V. and {Nizamov}, B.},
        title = "Methodology for measuring fundamental parameters and associated uncertainties for middle and cool main-sequence stars",
    booktitle = {Putting A Stars into Context: Evolution, Environment, and Related Stars},
         year = 2014,
       editor = {{Mathys}, Gautier and {Griffin}, Elizabeth R. and {Kochukhov}, Oleg and {Monier}, Richard and {Wahlgren}, Glenn M.},
        pages = {130-135},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2014psce.conf..130P},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
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@ARTICLE{2014arXiv1412.1048U,
       author = {{Udry}, S. and {Lovis}, C. and {Bouchy}, F. and {Collier Cameron}, A. and {Henning}, T. and {Mayor}, M. and {Pepe}, F. and {Piskunov}, N. and {Pollacco}, D. and {Queloz}, D. and {Quirrenbach}, A. and {Rauer}, H. and {Rebolo}, R. and {Santos}, N.~C. and {Snellen}, I. and {Zerbi}, F.},
        title = "Exoplanet Science with the European Extremely Large Telescope. The Case for Visible and Near-IR Spectroscopy at High Resolution",
      journal = {arXiv e-prints},
         year = 2014,
          eid = {arXiv:1412.1048},
        pages = {arXiv:1412.1048},
archivePrefix = {arXiv},
       eprint = {1412.1048},
 primaryClass = {astro-ph.EP},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2014arXiv1412.1048U},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}

@INPROCEEDINGS{2014SPIE.9147E..5GS,
       author = {{Seemann}, U. and {Anglada-Escude}, G. and {Baade}, D. and {Bristow}, P. and {Dorn}, R.~J. and {Follert}, R. and {Gojak}, D. and {Grunhut}, J. and {Hatzes}, A.~P. and {Heiter}, U. and {Ives}, D.~J. and {Jeep}, P. and {Jung}, Y. and {K{\"a}ufl}, H. -U. and {Kerber}, F. and {Klein}, B. and {Lizon}, J. -L. and {Lockhart}, M. and {L{\"o}winger}, T. and {Marquart}, T. and {Oliva}, E. and {Paufique}, J. and {Piskunov}, N. and {Pozna}, E. and {Reiners}, A. and {Smette}, A. and {Smoker}, J. and {Stempels}, E. and {Valenti}, E.},
        title = "Wavelength calibration from 1-5{\ensuremath{\mu}}m for the CRIRES+ high-resolution spectrograph at the VLT",
    booktitle = {Ground-based and Airborne Instrumentation for Astronomy V},
         year = 2014,
       editor = {{Ramsay}, Suzanne K. and {McLean}, Ian S. and {Takami}, Hideki},
       series = {Society of Photo-Optical Instrumentation Engineers (SPIE) Conference Series},
       volume = {9147},
          eid = {91475G},
        pages = {91475G},
          doi = {10.1117/12.2056668},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2014SPIE.9147E..5GS},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
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@INPROCEEDINGS{2014SPIE.9147E..23Z,
       author = {{Zerbi}, F.~M. and {Bouchy}, F. and {Fynbo}, J. and {Maiolino}, R. and {Piskunov}, N. and {Rebolo L{\'{o}}pez}, R. and {Santos}, N. and {Strassmeier}, K. and {Udry}, S. and {Vanzi}, L. and {Riva}, M. and {Basden}, A. and {Boisse}, I. and {Bonfils}, X. and {Buscher}, D. and {Cabral}, A. and {Dimarcantonio}, P. and {Di Varano}, I. and {Henry}, D. and {Monteiro}, M. and {Morris}, T. and {Murray}, G. and {Oliva}, Ernesto and {Parry}, I. and {Pepe}, F. and {Quirrenbach}, A. and {Rasilla}, J.~L. and {Rees}, P. and {Stempels}, E. and {Valenziano}, L. and {Wells}, M. and {Wildi}, F. and {Origlia}, L. and {Allende Prieto}, C. and {Chiavassa}, A. and {Cristiani}, S. and {Figueira}, P. and {Gustafsson}, B. and {Hatzes}, A. and {Haehnelt}, M. and {Heng}, K. and {Israelian}, G. and {Kochukhov}, O. and {Lovis}, C. and {Marconi}, A. and {Martins}, C.~J.~A.~P. and {Noterdaeme}, P. and {Petitjean}, P. and {Puzia}, T. and {Queloz}, D. and {Reiners}, A. and {Zoccali}, M.},
        title = "HIRES: the high resolution spectrograph for the E-ELT",
    booktitle = {Ground-based and Airborne Instrumentation for Astronomy V},
         year = 2014,
       editor = {{Ramsay}, Suzanne K. and {McLean}, Ian S. and {Takami}, Hideki},
       series = {Society of Photo-Optical Instrumentation Engineers (SPIE) Conference Series},
       volume = {9147},
          eid = {914723},
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          doi = {10.1117/12.2055329},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2014SPIE.9147E..23Z},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
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@INPROCEEDINGS{2014IAUS..302..304R,
       author = {{Rusomarov}, N. and {Kochukhov}, O. and {Piskunov}, N.},
        title = "Magnetic fields of Ap stars from full Stokes vector spectropolarimetric observations",
    booktitle = {Magnetic Fields throughout Stellar Evolution},
         year = 2014,
       editor = {{Petit}, Pascal and {Jardine}, Moira and {Spruit}, Hendrik C.},
       volume = {302},
        pages = {304-305},
          doi = {10.1017/S1743921314002348},
archivePrefix = {arXiv},
       eprint = {1310.0412},
 primaryClass = {astro-ph.SR},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2014IAUS..302..304R},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
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@INPROCEEDINGS{2014IAUS..302..170S,
       author = {{Shulyak}, D. and {Reiners}, A. and {Seemann}, U. and {Kochukhov}, O. and {Piskunov}, N.},
        title = "Magnetic fields in M-dwarfs from high-resolution infrared spectroscopy",
    booktitle = {Magnetic Fields throughout Stellar Evolution},
         year = 2014,
       editor = {{Petit}, Pascal and {Jardine}, Moira and {Spruit}, Hendrik C.},
       volume = {302},
        pages = {170-173},
          doi = {10.1017/S1743921314001999},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2014IAUS..302..170S},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
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@INPROCEEDINGS{2014SPIE.9147E..8PL,
       author = {{Lockhart}, Matthew and {Piskunov}, Nikolai and {Stempels}, Eric and {Escuti}, Michael and {Oliva}, Ernesto and {K{\"a}ufl}, Hans-Ulrich and {Heiter}, Ulrike and {Marquart}, Thomas and {Anglada-Escude}, Guillem and {Baade}, Dietrich and {Bristow}, Paul and {Dorn}, Reinhold J. and {Follert}, Roman and {Gojak}, Domingo and {Grunhut}, Jason H. and {Hatzes}, Artie and {Hilker}, Michael and {Ives}, Derek and {Jung}, Yves and {Kerber}, Florian and {Klein}, Barbara and {Lizon}, Jean-Louis and {L{\"o}winger}, Tom and {Origlia}, Livia and {Pasquini}, Luca and {Paufique}, Jerome and {Pozna}, Eszter and {Reiners}, Ansgar and {Seemann}, Ulf and {Smette}, Alain and {Smoker}, Jonathan and {Valenti}, Elena},
        title = "Novel infrared polarimeter for the ESO CRIRES+ instrument",
    booktitle = {Ground-based and Airborne Instrumentation for Astronomy V},
         year = 2014,
       editor = {{Ramsay}, Suzanne K. and {McLean}, Ian S. and {Takami}, Hideki},
       series = {Society of Photo-Optical Instrumentation Engineers (SPIE) Conference Series},
       volume = {9147},
          eid = {91478P},
        pages = {91478P},
          doi = {10.1117/12.2056367},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2014SPIE.9147E..8PL},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
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@INPROCEEDINGS{2014SPIE.9147E..7SL,
       author = {{Lizon}, Jean Louis and {Klein}, Barbara and {Oliva}, Ernesto and {L{\"o}winger}, Tom and {Anglada Escude}, Guillem and {Baade}, Dietrich and {Bristow}, Paul and {Dorn}, Reinhold J. and {Follert}, Roman and {Grunhut}, Jason and {Hatzes}, Artie and {Heiter}, Ulrike and {Ives}, Derek and {Jung}, Yves and {Kerber}, Florian and {Lockhart}, Matt and {Marquart}, Thomas and {Origlia}, Livia and {Pasquini}, Luca and {Paufique}, Jerome and {Piskunov}, N. and {Pozna}, Eszter and {Reiners}, Ansgar and {Smette}, Alain and {Smoker}, Jonathan and {Seemann}, Ulf and {Stempels}, Eric and {Valenti}, Elena},
        title = "Opto-mechanical design of a new cross dispersion unit for the CRIRES+ high resolution spectrograph for the VLT",
    booktitle = {Ground-based and Airborne Instrumentation for Astronomy V},
         year = 2014,
       editor = {{Ramsay}, Suzanne K. and {McLean}, Ian S. and {Takami}, Hideki},
       series = {Society of Photo-Optical Instrumentation Engineers (SPIE) Conference Series},
       volume = {9147},
          eid = {91477S},
        pages = {91477S},
          doi = {10.1117/12.2054800},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2014SPIE.9147E..7SL},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
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@INPROCEEDINGS{2014SPIE.9147E..7RO,
       author = {{Oliva}, E. and {Tozzi}, A. and {Ferruzzi}, D. and {Origlia}, L. and {Hatzes}, A. and {Follert}, R. and {L{\"o}winger}, T. and {Piskunov}, N. and {Heiter}, U. and {Lockhart}, M. and {Marquart}, T. and {Stempels}, E. and {Reiners}, A. and {Anglada-Escude}, G. and {Seemann}, Ulf and {Dorn}, R.~J. and {Bristow}, P. and {Baade}, D. and {Delabre}, B. and {Gojak}, D. and {Grunhut}, J. and {Klein}, Barbara and {Hilker}, M. and {Ives}, D.~J. and {Jung}, Y. and {Kaeufl}, H. -U. and {Kerber}, F. and {Lizon}, J.~L. and {Pasquini}, L. and {Paufique}, J. and {Pozna}, Eszter and {Smette}, A. and {Smoker}, J. and {Valenti}, E.},
        title = "Concept and optical design of the cross-disperser module for CRIRES+",
    booktitle = {Ground-based and Airborne Instrumentation for Astronomy V},
         year = 2014,
       editor = {{Ramsay}, Suzanne K. and {McLean}, Ian S. and {Takami}, Hideki},
       series = {Society of Photo-Optical Instrumentation Engineers (SPIE) Conference Series},
       volume = {9147},
          eid = {91477R},
        pages = {91477R},
          doi = {10.1117/12.2054381},
archivePrefix = {arXiv},
       eprint = {1407.3057},
 primaryClass = {astro-ph.IM},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2014SPIE.9147E..7RO},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}

@INPROCEEDINGS{2014SPIE.9147E..19F,
       author = {{Follert}, R. and {Dorn}, R.~J. and {Oliva}, E. and {Lizon}, J.~L. and {Hatzes}, A. and {Piskunov}, N. and {Reiners}, A. and {Seemann}, U. and {Stempels}, E. and {Heiter}, U. and {Marquart}, T. and {Lockhart}, M. and {Anglada-Escude}, G. and {L{\"o}winger}, T. and {Baade}, D. and {Grunhut}, J. and {Bristow}, P. and {Klein}, B. and {Jung}, Y. and {Ives}, D.~J. and {Kerber}, F. and {Pozna}, E. and {Paufique}, J. and {Kaeufl}, H.~U. and {Origlia}, L. and {Valenti}, E. and {Gojak}, D. and {Hilker}, M. and {Pasquini}, L. and {Smette}, A. and {Smoker}, J.},
        title = "CRIRES+: a cross-dispersed high-resolution infrared spectrograph for the ESO VLT",
    booktitle = {Ground-based and Airborne Instrumentation for Astronomy V},
         year = 2014,
       editor = {{Ramsay}, Suzanne K. and {McLean}, Ian S. and {Takami}, Hideki},
       series = {Society of Photo-Optical Instrumentation Engineers (SPIE) Conference Series},
       volume = {9147},
          eid = {914719},
        pages = {914719},
          doi = {10.1117/12.2054197},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2014SPIE.9147E..19F},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
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@ARTICLE{2014Msngr.156....7D,
       author = {{Dorn}, R.~J. and {Anglada-Escude}, G. and {Baade}, D. and {Bristow}, P. and {Follert}, R. and {Gojak}, D. and {Grunhut}, J. and {Hatzes}, A. and {Heiter}, U. and {Hilker}, M. and {Ives}, D.~J. and {Jung}, Y. and {K{\"a}ufl}, H. -U. and {Kerber}, F. and {Klein}, B. and {Lizon}, J. -L. and {Lockhart}, M. and {L{\"o}winger}, T. and {Marquart}, T. and {Oliva}, E. and {Origlia}, L. and {Pasquini}, L. and {Paufique}, J. and {Piskunov}, N. and {Pozna}, E. and {Reiners}, A. and {Smette}, A. and {Smoker}, J. and {Seemann}, U. and {Stempels}, E. and {Valenti}, E.},
        title = "CRIRES+: Exploring the Cold Universe at High Spectral Resolution",
      journal = {The Messenger},
         year = 2014,
       volume = {156},
        pages = {7-11},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2014Msngr.156....7D},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
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@ARTICLE{2014A&A...563A..35S,
       author = {{Shulyak}, D. and {Reiners}, A. and {Seemann}, U. and {Kochukhov}, O. and {Piskunov}, N.},
        title = "Exploring the magnetic field complexity in M dwarfs at the boundary to full convection",
      journal = {\aap},
         year = 2014,
       volume = {563},
          eid = {A35},
        pages = {A35},
          doi = {10.1051/0004-6361/201322136},
archivePrefix = {arXiv},
       eprint = {1401.5250},
 primaryClass = {astro-ph.SR},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2014A&A...563A..35S},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
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@ARTICLE{2014A&A...562A.139L,
       author = {{Lindborg}, M. and {Hackman}, T. and {Mantere}, M.~J. and {Korhonen}, H. and {Ilyin}, I. and {Kochukhov}, O. and {Piskunov}, N.},
        title = "Doppler images of DI Piscium during 2004-2006",
      journal = {\aap},
         year = 2014,
       volume = {562},
          eid = {A139},
        pages = {A139},
          doi = {10.1051/0004-6361/201322669},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2014A&A...562A.139L},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
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@INCOLLECTION{2014dapb.book..287P,
       author = {{Piskunov}, Nikolai},
        title = "A Gentle Introduction to SME",
    booktitle = {Determination of Atmospheric Parameters of B},
         year = 2014,
        pages = {287-295},
          doi = {10.1007/978-3-319-06956-2\_25},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2014dapb.book..287P},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
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@INPROCEEDINGS{2014IAUS..298..436R,
       author = {{Ryabchikova}, T.~A. and {Mashonkina}, L.~I. and {Titarenko}, A.~R. and {Alexeeva}, S.~A. and {Pakhomov}, Yu. V. and {Piskunov}, N.~E. and {Sitnova}, T.~M. and {Nizamov}, B.~A.},
        title = "Testing SME determination of stellar parameters",
    booktitle = {Setting the scene for Gaia and LAMOST},
         year = 2014,
       editor = {{Feltzing}, Sofia and {Zhao}, Gang and {Walton}, Nicholas A. and {Whitelock}, Patricia},
       volume = {298},
        pages = {436-436},
          doi = {10.1017/S1743921313007023},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2014IAUS..298..436R},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
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@ARTICLE{2013A&A...558A...8R,
       author = {{Rusomarov}, N. and {Kochukhov}, O. and {Piskunov}, N. and {Jeffers}, S.~V. and {Johns-Krull}, C.~M. and {Keller}, C.~U. and {Makaganiuk}, V. and {Rodenhuis}, M. and {Snik}, F. and {Stempels}, H.~C. and {Valenti}, J.~A.},
        title = "Three-dimensional magnetic and abundance mapping of the cool Ap star HD 24712 . I. Spectropolarimetric observations in all four Stokes parameters",
      journal = {\aap},
         year = 2013,
       volume = {558},
          eid = {A8},
        pages = {A8},
          doi = {10.1051/0004-6361/201220950},
archivePrefix = {arXiv},
       eprint = {1306.0997},
 primaryClass = {astro-ph.SR},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2013A&A...558A...8R},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
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@ARTICLE{2013A&A...554A..61K,
       author = {{Kochukhov}, O. and {Makaganiuk}, V. and {Piskunov}, N. and {Jeffers}, S.~V. and {Johns-Krull}, C.~M. and {Keller}, C.~U. and {Rodenhuis}, M. and {Snik}, F. and {Stempels}, H.~C. and {Valenti}, J.~A.},
        title = "Are there tangled magnetic fields on HgMn stars?",
      journal = {\aap},
         year = 2013,
       volume = {554},
          eid = {A61},
        pages = {A61},
          doi = {10.1051/0004-6361/201321467},
archivePrefix = {arXiv},
       eprint = {1304.6717},
 primaryClass = {astro-ph.SR},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2013A&A...554A..61K},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
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@ARTICLE{2013A&A...552A.103R,
       author = {{Reiners}, A. and {Shulyak}, D. and {Anglada-Escud{\'e}}, G. and {Jeffers}, S.~V. and {Morin}, J. and {Zechmeister}, M. and {Kochukhov}, O. and {Piskunov}, N.},
        title = "Radial velocity signatures of Zeeman broadening",
      journal = {\aap},
         year = 2013,
       volume = {552},
          eid = {A103},
        pages = {A103},
          doi = {10.1051/0004-6361/201220437},
archivePrefix = {arXiv},
       eprint = {1301.2951},
 primaryClass = {astro-ph.SR},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2013A&A...552A.103R},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
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@ARTICLE{2013arXiv1303.2703N,
       author = {{Nesvacil}, N. and {L{\"u}ftinger}, T. and {Shulyak}, D. and {Obbrugger}, M. and {Weiss}, W. and {Drake}, N.~A. and {Hubrig}, S. and {Ryabchikova}, T. and {Kochukhov}, O. and {Piskunov}, N. and {Polosukhina}, N.},
        title = "Multi-element Doppler imaging of the CP2 star HD 3980",
      journal = {arXiv e-prints},
         year = 2013,
          eid = {arXiv:1303.2703},
        pages = {arXiv:1303.2703},
archivePrefix = {arXiv},
       eprint = {1303.2703},
 primaryClass = {astro-ph.SR},
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@ARTICLE{2013ApJ...765...11J,
       author = {{Johns-Krull}, Christopher M. and {Chen}, Wei and {Valenti}, Jeff A. and {Jeffers}, Sandra V. and {Piskunov}, Nikolai E. and {Kochukhov}, Oleg and {Makaganiuk}, V. and {Stempels}, H.~C. and {Snik}, Frans and {Keller}, Christoph and {Rodenhuis}, M.},
        title = "Magnetically Controlled Accretion on the Classical T Tauri Stars GQ Lupi and TW Hydrae",
      journal = {\apj},
         year = 2013,
       volume = {765},
       number = {1},
          eid = {11},
        pages = {11},
          doi = {10.1088/0004-637X/765/1/11},
archivePrefix = {arXiv},
       eprint = {1301.3182},
 primaryClass = {astro-ph.SR},
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@MISC{2013noao.prop..286B,
       author = {{Brown}, Alexander and {Walkowicz}, Lucianne and {Saar}, Steven and {Hawley}, Suzanne and {Kowalski}, Adam and {Furesz}, Gabor and {Piskunov}, Nikolai},
        title = "MMT Hectochelle Spectral Variability of Active Late-type Stars in the Kepler Field (2013A)",
 howpublished = {NOAO Proposal ID 2013A-0286},
         year = 2013,
        pages = {286},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2013noao.prop..286B},
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@ARTICLE{2013ApJ...764...33D,
       author = {{de la Cruz Rodr{\'\i}guez}, J. and {Piskunov}, N.},
        title = "DELO-Bezier Formal Solutions of the Polarized Radiative Transfer Equation",
      journal = {\apj},
         year = 2013,
       volume = {764},
       number = {1},
          eid = {33},
        pages = {33},
          doi = {10.1088/0004-637X/764/1/33},
archivePrefix = {arXiv},
       eprint = {1212.2737},
 primaryClass = {astro-ph.SR},
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@ARTICLE{2013yCat..61230412W,
       author = {{Wright}, J.~T. and {Kakhouri}, O. and {Marcy}, G.~W. and {Han}, E. and {Feng}, Y. and {Johnson}, J.~A. and {Howard}, A.~W. and {Fischer}, D.~A. and {Valenti}, J.~A. and {Anderson}, J. and {Piskunov}, N.},
        title = "VizieR Online Data Catalog: Exoplanet Orbit Database (Wright+, 2011)",
      journal = {VizieR Online Data Catalog},
         year = 2013,
          eid = {J/PASP/123/412},
        pages = {J/PASP/123/412},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2013yCat..61230412W},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
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@INPROCEEDINGS{2013AAS...22135415W,
       author = {{Wells}, Mark and {Neff}, J.~E. and {Brown}, A. and {Ayres}, T.~R. and {Basri}, G.~S. and {Berdyugina}, S. and {Harper}, G. and {Hawley}, S.~L. and {Korhonen}, H. and {Kowalski}, A. and {Micela}, G. and {Piskunov}, N.~E. and {Ramsey}, L.~W. and {Saar}, S.~H. and {Walkowicz}, L.~M.},
        title = "A Large Sample of Magnetically-Active Stars Observed With Kepler",
    booktitle = {AAS abstracts \#221},
         year = 2013,
       series = {AAS abstracts},
       volume = {221},
          eid = {354.15},
        pages = {354.15},
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@INPROCEEDINGS{2013AAS...22135414B,
       author = {{Brown}, Alexander and {Neff}, J.~E. and {Wells}, M. and {Saar}, S. and {Furesz}, G. and {Walkowicz}, L.~M. and {Ayres}, T.~R. and {Basri}, G.~S. and {Berdyugina}, S. and {Harper}, G. and {Hawley}, S.~L. and {Korhonen}, H. and {Kowalski}, A. and {Micela}, G. and {Piskunov}, N.~E. and {Ramsey}, L.~W.},
        title = "Young Star Populations in the Kepler Field",
    booktitle = {AAS abstracts \#221},
         year = 2013,
       series = {AAS abstracts},
       volume = {221},
          eid = {354.14},
        pages = {354.14},
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@INPROCEEDINGS{2013AAS...22125614J,
       author = {{Johns-Krull}, Christopher M. and {Chen}, W. and {Valenti}, J.~A. and {Jeffers}, S.~V. and {Piskunov}, N.~E. and {Kochukhov}, O. and {Makaganiuk}, V. and {Stempels}, H.~C. and {Snik}, F. and {Keller}, C. and {Rodenhuis}, M.},
        title = "HARPS Spectropolarimetry of the Classical T Tauri Stars GQ Lup and TW Hya",
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         year = 2013,
       series = {AAS abstracts},
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@INPROCEEDINGS{2012SPIE.8446E..2NO,
       author = {{Oliva}, E. and {Hatzes}, A. and {Piskunov}, N. and {Reiners}, A. and {K{\"a}ufl}, H.~U. and {Ferruzzi}, D. and {Tozzi}, A. and {Origlia}, L.},
        title = "Upgrading CRIRES-VLT to cross-dispersed mode",
    booktitle = {Ground-based and Airborne Instrumentation for Astronomy IV},
         year = 2012,
       editor = {{McLean}, Ian S. and {Ramsay}, Suzanne K. and {Takami}, Hideki},
       series = {Society of Photo-Optical Instrumentation Engineers (SPIE) Conference Series},
       volume = {8446},
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          doi = {10.1117/12.924969},
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@INPROCEEDINGS{2012ASPC..461..331D,
       author = {{Doronin}, M. and {Dubernet}, M.~L. and {Walton}, N. and {Mason}, N. and {Rixon}, G. and {Sidaner}, P.~L. and {Schlemmer}, S. and {Piskunov}, N. and {Tennyson}, J. and {Akram}, A. and {Endres}, C. and {Hill}, C. and {Marquart}, T. and {Nenadovic}, L. and {Smith}, K. and {Vamdc Consortium}},
        title = "``Virtual Atomic and Molecular Data Centre'' and Astrophysics: Level 2 Release",
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         year = 2012,
       editor = {{Ballester}, P. and {Egret}, D. and {Lorente}, N.~P.~F.},
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       volume = {461},
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@ARTICLE{2012yCat..35420033O,
       author = {{Onehag}, A. and {Heiter}, U. and {Gustafsson}, B. and {Piskunov}, N. and {Plez}, B. and {Reiners}, A.},
        title = "VizieR Online Data Catalog: 3 M dwarfs near-infrared spectra (Onehag+, 2012)",
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         year = 2012,
          eid = {J/A+A/542/A33},
        pages = {J/A+A/542/A33},
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@ARTICLE{2012A&A...542A..33O,
       author = {{{\"O}nehag}, A. and {Heiter}, U. and {Gustafsson}, B. and {Piskunov}, N. and {Plez}, B. and {Reiners}, A.},
        title = "M-dwarf metallicities. A high-resolution spectroscopic study in the near infrared",
      journal = {\aap},
         year = 2012,
       volume = {542},
          eid = {A33},
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          doi = {10.1051/0004-6361/201118101},
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       eprint = {1112.0141},
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@INPROCEEDINGS{2012AIPC.1429...43J,
       author = {{Johns-Krull}, C.~M. and {Valenti}, J.~A. and {Jeffers}, S.~V. and {Piskunov}, N.~E. and {Kochukhov}, O. and {Keller}, C. and {Snik}, F. and {Rodenhuis}, M. and {Makaganiuk}, V. and {Stempels}, H.},
        title = "HARPS spectropolarimetry of classical T Tauri stars",
    booktitle = {Stellar Polarimetry: from Birth to Death},
         year = 2012,
       editor = {{Hoffman}, Jennifer L. and {Bjorkman}, Jon and {Whitney}, Barbara},
       series = {Am.\ Inst.\ Phys.\ Conf.},
       volume = {1429},
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          doi = {10.1063/1.3701899},
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@ARTICLE{2012IAUTA..28..203M,
       author = {{Mathys}, Gautier and {Cunha}, Margarida and {Dworetsky}, Michael and {Kochukhov}, Oleg and {Kupka}, Friedrich and {LeBlanc}, Francis and {Monier}, Richard and {Paunzen}, Ernst and {Pintado}, Olga and {Piskunov}, Nikolai and {Ziznovsky}, Jozef},
        title = "Divisions Iv-V / Working Group ap \& Related Stars",
      journal = {Transactions of the International Astronomical Union, Series A},
         year = 2012,
       volume = {7},
       number = {T28A},
        pages = {203-206},
          doi = {10.1017/S1743921312002815},
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@ARTICLE{2012IAUTA..28..157P,
       author = {{Piskunov}, Nikolai and {Cunha}, Katia and {Parthasarathy}, Mudumba and {Aoki}, Wako and {Asplund}, Martin and {Bohlender}, David and {Carpenter}, Kenneth and {Melendez}, Jorge and {Rossi}, Silvia and {Smith}, Verne and {Soderblom}, David and {Wahlgren}, Glenn},
        title = "Commission 29: Stellar Spectra",
      journal = {Transactions of the International Astronomical Union, Series A},
         year = 2012,
       volume = {7},
       number = {T28A},
        pages = {157-160},
          doi = {10.1017/S1743921312002761},
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@ARTICLE{2012IAUTA..28..147C,
       author = {{Corbally}, Christopher and {D'Antona}, Francesca and {Spite}, Monique and {Asplund}, Martin and {Charbonnel}, Corinne and {Docobo}, Jose Angel and {Gray}, Richard O. and {Piskunov}, Nikolai E.},
        title = "Division Iv: Stars",
      journal = {Transactions of the International Astronomical Union, Series A},
         year = 2012,
       volume = {7},
       number = {T28A},
        pages = {147-149},
          doi = {10.1017/S1743921312002748},
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@ARTICLE{2012A&A...539A.142M,
       author = {{Makaganiuk}, V. and {Kochukhov}, O. and {Piskunov}, N. and {Jeffers}, S.~V. and {Johns-Krull}, C.~M. and {Keller}, C.~U. and {Rodenhuis}, M. and {Snik}, F. and {Stempels}, H.~C. and {Valenti}, J.~A.},
        title = "Magnetism, chemical spots, and stratification in the HgMn star {\ensuremath{\phi}} Phoenicis",
      journal = {\aap},
         year = 2012,
       volume = {539},
          eid = {A142},
        pages = {A142},
          doi = {10.1051/0004-6361/201118167},
archivePrefix = {arXiv},
       eprint = {1111.6065},
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@MISC{2012ascl.soft02013V,
       author = {{Valenti}, J.~A. and {Piskunov}, N.},
        title = "SME: Spectroscopy Made Easy",
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          eid = {ascl:1202.013},
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@ARTICLE{2012A&A...538A.126H,
       author = {{Hackman}, T. and {Mantere}, M.~J. and {Lindborg}, M. and {Ilyin}, I. and {Kochukhov}, O. and {Piskunov}, N. and {Tuominen}, I.},
        title = "Doppler images of II Pegasi for 2004-2010",
      journal = {\aap},
         year = 2012,
       volume = {538},
          eid = {A126},
        pages = {A126},
          doi = {10.1051/0004-6361/201117603},
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@ARTICLE{2012ApJ...745...21F,
       author = {{Fischer}, Debra A. and {Gaidos}, Eric and {Howard}, Andrew W. and {Giguere}, Matthew J. and {Johnson}, John A. and {Marcy}, Geoffrey W. and {Wright}, Jason T. and {Valenti}, Jeff A. and {Piskunov}, Nikolai and {Clubb}, Kelsey I. and {Isaacson}, Howard and {Apps}, Kevin and {Lepine}, Sebastien and {Mann}, Andrew and {Moriarty}, John and {Brewer}, John and {Spronck}, Julien F.~P. and {Schwab}, Christian and {Szymkowiak}, Andrew},
        title = "M2K. II. A Triple-planet System Orbiting HIP 57274",
      journal = {\apj},
         year = 2012,
       volume = {745},
       number = {1},
          eid = {21},
        pages = {21},
          doi = {10.1088/0004-637X/745/1/21},
archivePrefix = {arXiv},
       eprint = {1109.2926},
 primaryClass = {astro-ph.EP},
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@ARTICLE{2012A&A...537A.151N,
       author = {{Nesvacil}, N. and {L{\"u}ftinger}, T. and {Shulyak}, D. and {Obbrugger}, M. and {Weiss}, W. and {Drake}, N.~A. and {Hubrig}, S. and {Ryabchikova}, T. and {Kochukhov}, O. and {Piskunov}, N. and {Polosukhina}, N.},
        title = "Multi-element Doppler imaging of the CP2 star HD 3980",
      journal = {\aap},
         year = 2012,
       volume = {537},
          eid = {A151},
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          doi = {10.1051/0004-6361/201117097},
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@ARTICLE{2011MNRAS.418.2548S,
       author = {{Shulyak}, D. and {Seifahrt}, A. and {Reiners}, A. and {Kochukhov}, O. and {Piskunov}, N.},
        title = "Rotation, magnetism and metallicity of M dwarf systems",
      journal = {\mnras},
         year = 2011,
       volume = {418},
       number = {4},
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          doi = {10.1111/j.1365-2966.2011.19644.x},
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@INPROCEEDINGS{2011ASPC..448.1263S,
       author = {{Shulyak}, D. and {Reiners}, A. and {Wende}, S. and {Kochukhov}, O. and {Piskunov}, N. and {Seifahrt}, A.},
        title = "Magnetic Fields in M-dwarfs: Quantitative Results from Detailed Spectral Synthesis in FeH Lines",
    booktitle = {16th Cambridge Workshop on Cool Stars, Stellar Systems, and the Sun},
         year = 2011,
       editor = {{Johns-Krull}, Christopher and {Browning}, Matthew K. and {West}, Andrew A.},
       series = {Astron.\ Soc.\ Pacific Conf.\ Ser.},
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@INPROCEEDINGS{2011ASPC..448..245K,
       author = {{Kochukhov}, O. and {Snik}, F. and {Piskunov}, N. and {Jeffers}, S.~V. and {Keller}, C.~U. and {Makaganiuk}, V. and {Valenti}, J.~A. and {Johns-Krull}, C.~M. and {Rodenhuis}, M. and {Stempels}, H.~C.},
        title = "New Insights into Stellar Magnetism from the Spectropolarimetry in All Four Stokes Parameters",
    booktitle = {16th Cambridge Workshop on Cool Stars, Stellar Systems, and the Sun},
         year = 2011,
       editor = {{Johns-Krull}, Christopher and {Browning}, Matthew K. and {West}, Andrew A.},
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@ARTICLE{2011AN....332..859H,
       author = {{Hackman}, T. and {Mantere}, M.~J. and {Jetsu}, L. and {Ilyin}, I. and {Kajatkari}, P. and {Kochukhov}, O. and {Lehtinen}, J. and {Lindborg}, M. and {Piskunov}, N. and {Tuominen}, I.},
        title = "Spot activity of II Peg",
      journal = {Astronomische Nachrichten},
         year = 2011,
       volume = {332},
        pages = {859},
          doi = {10.1002/asna.201111616},
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@ARTICLE{2011A&A...534L..13K,
       author = {{Kochukhov}, O. and {Makaganiuk}, V. and {Piskunov}, N. and {Jeffers}, S.~V. and {Johns-Krull}, C.~M. and {Keller}, C.~U. and {Rodenhuis}, M. and {Snik}, F. and {Stempels}, H.~C. and {Valenti}, J.~A.},
        title = "No magnetic field in the spotted HgMn star {\ensuremath{\mu}} Leporis",
      journal = {\aap},
         year = 2011,
       volume = {534},
          eid = {L13},
        pages = {L13},
          doi = {10.1051/0004-6361/201117970},
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       eprint = {1110.0829},
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@INPROCEEDINGS{2011IAUS..273...78B,
       author = {{Brown}, Alexander and {Korhonen}, Heidi and {Berdyugina}, Svetlana and {Tofany}, Barton and {Ayres}, Thomas R. and {Kowalski}, Adam and {Hawley}, Suzanne and {Harper}, Graham and {Piskunov}, Nikolai},
        title = "Starspot variability and evolution from modeling Kepler photometry of active late-type stars",
    booktitle = {Physics of Sun and Star Spots},
         year = 2011,
       editor = {{Prasad Choudhary}, Debi and {Strassmeier}, Klaus G.},
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@ARTICLE{2011A&A...532A.107L,
       author = {{Leitet}, E. and {Bergvall}, N. and {Piskunov}, N. and {Andersson}, B. -G.},
        title = "Analyzing low signal-to-noise FUSE spectra. Confirmation of Lyman continuum escape from Haro 11",
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         year = 2011,
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@INPROCEEDINGS{2011IAUS..272..202M,
       author = {{Makaganiuk}, Vitalii and {Kochukhov}, Oleg and {Piskunov}, Nikolai and {Jeffers}, Sandra V. and {Johns-Krull}, Christopher M. and {Keller}, Christoph U. and {Rodenhuis}, Michiel and {Snik}, Frans and {Stempels}, Henricus C. and {Valenti}, Jeff A.},
        title = "The search for magnetic fields in mercury-manganese stars",
    booktitle = {Active OB Stars: Structure, Evolution, Mass Loss, and Critical Limits},
         year = 2011,
       editor = {{Neiner}, Coralie and {Wade}, Gregg and {Meynet}, Georges and {Peters}, Geraldine},
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@INPROCEEDINGS{2011ASPC..442...89W,
       author = {{Walton}, N.~A. and {Dubernet}, M.~L. and {Mason}, N.~J. and {Piskunov}, N. and {Rixon}, G.~T. and {Vamdc Consortium}},
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         year = 2011,
       editor = {{Evans}, I.~N. and {Accomazzi}, A. and {Mink}, D.~J. and {Rots}, A.~H.},
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@ARTICLE{2011ApJ...732L..19K,
       author = {{Kochukhov}, O. and {Makaganiuk}, V. and {Piskunov}, N. and {Snik}, F. and {Jeffers}, S.~V. and {Johns-Krull}, C.~M. and {Keller}, C.~U. and {Rodenhuis}, M. and {Valenti}, J.~A.},
        title = "First Detection of Linear Polarization in the Line Profiles of Active Cool Stars",
      journal = {\apjl},
         year = 2011,
       volume = {732},
       number = {2},
          eid = {L19},
        pages = {L19},
          doi = {10.1088/2041-8205/732/2/L19},
archivePrefix = {arXiv},
       eprint = {1103.6028},
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       adsurl = {https://ui.adsabs.harvard.edu/abs/2011ApJ...732L..19K},
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@INPROCEEDINGS{2011AAS...21820502B,
       author = {{Brown}, Alexander and {Korhonen}, H. and {Berdyugina}, S. and {Walkowicz}, L. and {Kowalski}, A. and {Hawley}, S. and {Neff}, J. and {Ramsey}, L. and {Redman}, S. and {Saar}, S. and {Furesz}, G. and {Piskunov}, N. and {Harper}, G. and {Ayres}, T. and {Tofany}, B.},
        title = "Kepler Observations of Starspot Evolution, Differential Rotation, and Flares on Late-Type Stars",
    booktitle = {AAS abstracts \#218},
         year = 2011,
       series = {AAS abstracts},
       volume = {218},
          eid = {205.02},
        pages = {205.02},
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@ARTICLE{2011A&A...529A.160M,
       author = {{Makaganiuk}, V. and {Kochukhov}, O. and {Piskunov}, N. and {Jeffers}, S.~V. and {Johns-Krull}, C.~M. and {Keller}, C.~U. and {Rodenhuis}, M. and {Snik}, F. and {Stempels}, H.~C. and {Valenti}, J.~A.},
        title = "Chemical spots in the absence of magnetic field in the binary HgMn star 66 Eridani",
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         year = 2011,
       volume = {529},
          eid = {A160},
        pages = {A160},
          doi = {10.1051/0004-6361/201016302},
archivePrefix = {arXiv},
       eprint = {1102.4661},
 primaryClass = {astro-ph.SR},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2011A&A...529A.160M},
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@ARTICLE{2011PASP..123..412W,
       author = {{Wright}, J.~T. and {Fakhouri}, O. and {Marcy}, G.~W. and {Han}, E. and {Feng}, Y. and {Johnson}, John Asher and {Howard}, A.~W. and {Fischer}, D.~A. and {Valenti}, J.~A. and {Anderson}, J. and {Piskunov}, N.},
        title = "The Exoplanet Orbit Database",
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         year = 2011,
       volume = {123},
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        pages = {412},
          doi = {10.1086/659427},
archivePrefix = {arXiv},
       eprint = {1012.5676},
 primaryClass = {astro-ph.SR},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2011PASP..123..412W},
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@INPROCEEDINGS{2011ASPC..437..237S,
       author = {{Snik}, F. and {Kochukhov}, O. and {Piskunov}, N. and {Rodenhuis}, M. and {Jeffers}, S. and {Keller}, C. and {Dolgopolov}, A. and {Stempels}, E. and {Makaganiuk}, V. and {Valenti}, J. and {Johns-Krull}, C.},
        title = "The HARPS Polarimeter",
    booktitle = {Solar Polarization 6},
         year = 2011,
       editor = {{Kuhn}, J.~R. and {Harrington}, D.~M. and {Lin}, H. and {Berdyugina}, S.~V. and {Trujillo-Bueno}, J. and {Keil}, S.~L. and {Rimmele}, T.},
       series = {Astron.\ Soc.\ Pacific Conf.\ Ser.},
       volume = {437},
        pages = {237},
archivePrefix = {arXiv},
       eprint = {1010.0397},
 primaryClass = {astro-ph.IM},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2011ASPC..437..237S},
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@ARTICLE{2011Msngr.143....7P,
       author = {{Piskunov}, N. and {Snik}, F. and {Dolgopolov}, A. and {Kochukhov}, O. and {Rodenhuis}, M. and {Valenti}, J. and {Jeffers}, S. and {Makaganiuk}, V. and {Johns-Krull}, C. and {Stempels}, E. and {Keller}, C.},
        title = "HARPSpol {-} The New Polarimetric Mode for HARPS",
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         year = 2011,
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       adsurl = {https://ui.adsabs.harvard.edu/abs/2011Msngr.143....7P},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
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@ARTICLE{2011ApJ...730...10H,
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        title = "The NASA-UC Eta-Earth Program. III. A Super-Earth Orbiting HD 97658 and a Neptune-mass Planet Orbiting Gl 785",
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        pages = {10},
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archivePrefix = {arXiv},
       eprint = {1011.0414},
 primaryClass = {astro-ph.EP},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2011ApJ...730...10H},
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@ARTICLE{2011A&A...526A..44L,
       author = {{Lindborg}, M. and {Korpi}, M.~J. and {Hackman}, T. and {Tuominen}, I. and {Ilyin}, I. and {Piskunov}, N.},
        title = "Doppler images of the RS CVn binary II Pegasi during the years 1994-2002",
      journal = {\aap},
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       volume = {526},
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        pages = {A44},
          doi = {10.1051/0004-6361/201015203},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2011A&A...526A..44L},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
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@INPROCEEDINGS{2011mast.conf..280S,
       author = {{Shulyak}, D. and {Reiners}, A. and {Wende}, S. and {Kochukhov}, O. and {Piskunov}, N. and {Seifahrt}, A.},
        title = "Magnetic Fields of M-Dwarfs from the Molecular and Atomic Diagnostics",
    booktitle = {Magnetic Stars},
         year = 2011,
        pages = {280-290},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2011mast.conf..280S},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
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@ARTICLE{2011KIzKU.153...61R,
       author = {{Ryabchikova}, T.~A. and {Pakhomov}, Yu. V. and {Piskunov}, N.~E.},
        title = "New release of Vienna Atomic Line Database (VALD) and its integration in Virtual Atomic and Molecular Data Centre (VAMDC)",
      journal = {Kazan Izdatel Kazanskogo Universiteta},
         year = 2011,
       volume = {153},
        pages = {61-66},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2011KIzKU.153...61R},
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@ARTICLE{2011ApJ...726...73H,
       author = {{Howard}, Andrew W. and {Johnson}, John Asher and {Marcy}, Geoffrey W. and {Fischer}, Debra A. and {Wright}, Jason T. and {Henry}, Gregory W. and {Isaacson}, Howard and {Valenti}, Jeff A. and {Anderson}, Jay and {Piskunov}, Nikolai E.},
        title = "The NASA-UC Eta-Earth Program. II. A Planet Orbiting HD 156668 with a Minimum Mass of Four Earth Masses",
      journal = {\apj},
         year = 2011,
       volume = {726},
       number = {2},
          eid = {73},
        pages = {73},
          doi = {10.1088/0004-637X/726/2/73},
archivePrefix = {arXiv},
       eprint = {1003.3444},
 primaryClass = {astro-ph.EP},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2011ApJ...726...73H},
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@ARTICLE{2011A&A...525A..97M,
       author = {{Makaganiuk}, V. and {Kochukhov}, O. and {Piskunov}, N. and {Jeffers}, S.~V. and {Johns-Krull}, C.~M. and {Keller}, C.~U. and {Rodenhuis}, M. and {Snik}, F. and {Stempels}, H.~C. and {Valenti}, J.~A.},
        title = "The search for magnetic fields in mercury-manganese stars",
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         year = 2011,
       volume = {525},
          eid = {A97},
        pages = {A97},
          doi = {10.1051/0004-6361/201015666},
archivePrefix = {arXiv},
       eprint = {1010.3931},
 primaryClass = {astro-ph.SR},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2011A&A...525A..97M},
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@ARTICLE{2010A&A...524A...5K,
       author = {{Kochukhov}, O. and {Makaganiuk}, V. and {Piskunov}, N.},
        title = "Least-squares deconvolution of the stellar intensity and polarization spectra",
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        pages = {A5},
          doi = {10.1051/0004-6361/201015429},
archivePrefix = {arXiv},
       eprint = {1008.5115},
 primaryClass = {astro-ph.SR},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2010A&A...524A...5K},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
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@ARTICLE{2010yCat..35260044L,
       author = {{Lindborg}, M. and {Korpi}, M.~J. and {Hackman}, T. and {Tuominen}, I. and {Ilyin}, I. and {Piskunov}, N.},
        title = "VizieR Online Data Catalog: Observations of II Peg (Lindborg+, 2011)",
      journal = {VizieR Online Data Catalog},
         year = 2010,
          eid = {J/A+A/526/A44},
        pages = {J/A+A/526/A44},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2010yCat..35260044L},
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@ARTICLE{2010A&A...523A..37S,
       author = {{Shulyak}, D. and {Reiners}, A. and {Wende}, S. and {Kochukhov}, O. and {Piskunov}, N. and {Seifahrt}, A.},
        title = "Modelling the molecular Zeeman-effect in M-dwarfs: methods and first results",
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         year = 2010,
       volume = {523},
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        pages = {A37},
          doi = {10.1051/0004-6361/201015229},
archivePrefix = {arXiv},
       eprint = {1008.2512},
 primaryClass = {astro-ph.SR},
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@ARTICLE{2010ApJ...721.1467H,
       author = {{Howard}, Andrew W. and {Johnson}, John Asher and {Marcy}, Geoffrey W. and {Fischer}, Debra A. and {Wright}, Jason T. and {Bernat}, David and {Henry}, Gregory W. and {Peek}, Kathryn M.~G. and {Isaacson}, Howard and {Apps}, Kevin and {Endl}, Michael and {Cochran}, William D. and {Valenti}, Jeff A. and {Anderson}, Jay and {Piskunov}, Nikolai E.},
        title = "The California Planet Survey. I. Four New Giant Exoplanets",
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          doi = {10.1088/0004-637X/721/2/1467},
archivePrefix = {arXiv},
       eprint = {1003.3488},
 primaryClass = {astro-ph.EP},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2010ApJ...721.1467H},
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@INPROCEEDINGS{2010epsc.conf..861M,
       author = {{Mason}, N.~J. and {Dubernet}, M.~L. and {Benson}, K.~M. and {Bureau}, J. and {Heiter}, U. and {Kupka}, F. and {Le Sidaner}, P. and {Piskunov}, N. and {Rixon}, G.~T. and {Schlemmer}, S. and {Shih}, A. and {Tennyson}, J. and {Walton}, N. and {Witherick}, D.~W.},
        title = "VAMDC: The Virtual Atomic and Molecular Data Centre: a Service Orientated Data Infrastructure for e- Research",
    booktitle = {European Planetary Science Congress 2010},
         year = 2010,
        pages = {861},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2010epsc.conf..861M},
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@INPROCEEDINGS{2010aepr.confE..42P,
       author = {{Piskunov}, Nikolai},
        title = "Stability of spectroscopic data reduction",
    booktitle = {Astronomy of Exoplanets with Precise Radial Velocities},
         year = 2010,
          eid = {42},
        pages = {42},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2010aepr.confE..42P},
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@INPROCEEDINGS{2010SPIE.7735E..2BO,
       author = {{Origlia}, Livia and {Oliva}, Ernesto and {Maiolino}, Roberto and {Gustafsson}, Bengt and {Piskunov}, Nikolai and {Kochucov}, Oleg and {Vanzi}, Leonardo and {Minniti}, Dante and {Zoccali}, Manuela and {Hatzes}, Artie and {Guenther}, Eike},
        title = "SIMPLE: a high-resolution near-infrared spectrometer for the E-ELT",
    booktitle = {Ground-based and Airborne Instrumentation for Astronomy III},
         year = 2010,
       editor = {{McLean}, Ian S. and {Ramsay}, Suzanne K. and {Takami}, Hideki},
       series = {Society of Photo-Optical Instrumentation Engineers (SPIE) Conference Series},
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          doi = {10.1117/12.856417},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2010SPIE.7735E..2BO},
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@ARTICLE{2010arXiv1006.3060L,
       author = {{Lindborg} and {M.} and {Korpi} and {J.}, M. and {Hackman} and {T.} and {Tuominen} and {I.} and {Ilyin} and {I.} and {Piskunov} and {N}},
        title = "Doppler images of the RS CVn binary II Pegasi during the years 1994-2002",
      journal = {arXiv e-prints},
         year = 2010,
          eid = {arXiv:1006.3060},
        pages = {arXiv:1006.3060},
archivePrefix = {arXiv},
       eprint = {1006.3060},
 primaryClass = {astro-ph.SR},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2010arXiv1006.3060L},
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@ARTICLE{2010IAUTB..27..205C,
       author = {{Cunha}, Margarida S. and {Weiss}, Werner and {Dworetsky}, Mike and {Kochukhov}, Oleg and {Kupka}, Friedrich and {Leblanc}, Francis and {Monier}, Richard and {Paunzen}, Ernst and {Piskunov}, Nikolai and {Shibahashi}, Hiromoto and {Smalley}, Barry and {Ziznovsky}, Jozef},
        title = "INTER-DIVISION IV-V WORKING GROUP on Ap and Related Stars",
      journal = {Transactions of the International Astronomical Union, Series B},
         year = 2010,
       volume = {6},
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        pages = {205-206},
          doi = {10.1017/S1743921310005090},
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@ARTICLE{2010IAUTB..27..193P,
       author = {{Piskunov}, Nikolai and {Cunha}, Katia and {Parthasarathy}, Mudumba and {Aoki}, Wako and {Asplund}, Martin and {Bohlender}, David and {Carpenter}, Kenneth and {Melendez}, Jorge and {Parthasarathy}, Mudumba and {Rossi}, Silvia and {Smith}, Verne and {Soderblom}, David and {Wahlgren}, Glenn},
        title = "Commission 29: Stellar Spectra",
      journal = {Transactions of the International Astronomical Union, Series B},
         year = 2010,
       volume = {6},
       number = {T27},
        pages = {193-194},
          doi = {10.1017/S1743921310005041},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2010IAUTB..27..193P},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
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@INPROCEEDINGS{2010IAUS..264..213L,
       author = {{Lindborg}, M. and {Korpi}, M.~J. and {Tuominen}, I. and {Hackman}, T. and {Ilyin}, I. and {Piskunov}, N.},
        title = "Surface temperature maps for II Peg during 1999-2002",
    booktitle = {Solar and Stellar Variability: Impact on Earth and Planets},
         year = 2010,
       editor = {{Kosovichev}, Alexander G. and {Andrei}, Alexandre H. and {Rozelot}, Jean-Pierre},
       volume = {264},
        pages = {213-218},
          doi = {10.1017/S1743921309992651},
archivePrefix = {arXiv},
       eprint = {0911.0198},
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@ARTICLE{2010MNRAS.401.1299J,
       author = {{Joshi}, S. and {Ryabchikova}, T. and {Kochukhov}, O. and {Sachkov}, M. and {Tiwari}, S.~K. and {Chakradhari}, N.~K. and {Piskunov}, N.},
        title = "Time-resolved photometric and spectroscopic analysis of the luminous Ap star HD103498",
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         year = 2010,
       volume = {401},
       number = {2},
        pages = {1299-1307},
          doi = {10.1111/j.1365-2966.2009.15725.x},
archivePrefix = {arXiv},
       eprint = {0909.3906},
 primaryClass = {astro-ph.SR},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2010MNRAS.401.1299J},
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@INPROCEEDINGS{2010AAS...21534806H,
       author = {{Howard}, Andrew and {Marcy}, G. and {Fischer}, D. and {Johnson}, J. and {Wright}, J. and {Valenti}, J. and {Anderson}, J. and {Piskunov}, N. and {Isaacson}, H. and {Brewer}, J. and {Clubb}, K. and {Lin}, D. and {Ida}, S.},
        title = "The Eta-Earth Survey for Low-Mass Exoplanets",
    booktitle = {AAS abstracts \#215},
         year = 2010,
       series = {AAS abstracts},
       volume = {215},
          eid = {348.06},
        pages = {348.06},
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@ARTICLE{2010A&A...509A..71L,
       author = {{L{\"u}ftinger}, T. and {Kochukhov}, O. and {Ryabchikova}, T. and {Piskunov}, N. and {Weiss}, W.~W. and {Ilyin}, I.},
        title = "Magnetic Doppler imaging of the roAp star HD 24712",
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         year = 2010,
       volume = {509},
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        pages = {A71},
          doi = {10.1051/0004-6361/200811545},
archivePrefix = {arXiv},
       eprint = {0910.5556},
 primaryClass = {astro-ph.SR},
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@ARTICLE{2010A&A...509A..43L,
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        title = "Surface structure of the CoRoT CP2 target star HD 50773",
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         year = 2010,
       volume = {509},
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        pages = {A43},
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archivePrefix = {arXiv},
       eprint = {0911.3791},
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@ARTICLE{2009P&SS...57.1795W,
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        title = "Detection of dusty plasma near the E-ring of Saturn",
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@INPROCEEDINGS{2009ASPC..405..539K,
       author = {{Kochukhov}, O. and {Piskunov}, N.},
        title = "Magnetic Doppler Imaging of Active Stars",
    booktitle = {Solar Polarization 5: In Honor of Jan Stenflo},
         year = 2009,
       editor = {{Berdyugina}, S.~V. and {Nagendra}, K.~N. and {Ramelli}, R.},
       series = {Astron.\ Soc.\ Pacific Conf.\ Ser.},
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        pages = {539},
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@ARTICLE{2009ApJ...696...75H,
       author = {{Howard}, Andrew W. and {Johnson}, John Asher and {Marcy}, Geoffrey W. and {Fischer}, Debra A. and {Wright}, Jason T. and {Henry}, Gregory W. and {Giguere}, Matthew J. and {Isaacson}, Howard and {Valenti}, Jeff A. and {Anderson}, Jay and {Piskunov}, Nikolai E.},
        title = "The NASA-UC Eta-Earth Program. I. A Super-Earth Orbiting HD 7924",
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         year = 2009,
       volume = {696},
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        pages = {75-83},
          doi = {10.1088/0004-637X/696/1/75},
archivePrefix = {arXiv},
       eprint = {0901.4394},
 primaryClass = {astro-ph.EP},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2009ApJ...696...75H},
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@INPROCEEDINGS{2009IAUS..259..439K,
       author = {{Kochukhov}, Oleg and {Piskunov}, N. and {Ilyin}, I. and {Tuominen}, I.},
        title = "Magnetic Doppler imaging of II Peg",
    booktitle = {Cosmic Magnetic Fields: From Planets, to Stars and Galaxies},
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       editor = {{Strassmeier}, Klaus G. and {Kosovichev}, Alexander G. and {Beckman}, John E.},
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          doi = {10.1017/S1743921309031056},
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@INPROCEEDINGS{2009IAUS..259..403S,
       author = {{Silvester}, James and {Kochukhov}, O. and {Wade}, G.~A. and {Piskunov}, N. and {Landstreet}, J.~D. and {Bagnulo}, S.},
        title = "Cartography of the magnetic fields and chemical spots of Ap stars",
    booktitle = {Cosmic Magnetic Fields: From Planets, to Stars and Galaxies},
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          doi = {10.1017/S1743921309030877},
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@ARTICLE{2009A&A...497..869L,
       author = {{Lyra}, W. and {Johansen}, A. and {Zsom}, A. and {Klahr}, H. and {Piskunov}, N.},
        title = "Planet formation bursts at the borders of the dead zone in 2D numerical simulations of circumstellar disks",
      journal = {\aap},
         year = 2009,
       volume = {497},
       number = {3},
        pages = {869-888},
          doi = {10.1051/0004-6361/200811265},
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       eprint = {0901.1638},
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@INPROCEEDINGS{2009IAUS..253...45S,
       author = {{Sahu}, Kailash C. and {Casertano}, Stefano and {Valenti}, Jeff and {Bond}, Howard E. and {Brown}, Thomas M. and {Smith}, T. Ed and {Clarkson}, Will and {Minniti}, Dante and {Zoccali}, Manuela and {Livio}, Mario and {Renzini}, Alvio and {Rich}, R.~M. and {Panagia}, Nino and {Lubow}, Stephen and {Brown}, Timothy and {Piskunov}, Nikolai},
        title = "Transiting Planets in the Galactic Bulge from SWEEPS Survey and Implications",
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@INPROCEEDINGS{2009AIPC.1094..720K,
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@INPROCEEDINGS{2009AIPC.1094..124K,
       author = {{Kochukhov}, O. and {Heiter}, U. and {Piskunov}, N. and {Ryde}, N. and {Gustafsson}, B. and {Bagnulo}, S. and {Plez}, B.},
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@ARTICLE{2009IAUTA..27..245C,
       author = {{Cunha}, Margarida S. and {Weiss}, Werner W. and {Dworetsky}, Michael M. and {Kochukhov}, Oleg and {Kupka}, Friedrich and {Leblanc}, Francis and {Monier}, Richard and {Paunzen}, Ernst and {Piskunov}, Nikolai E. and {Shibahashi}, Hiromoto and {Smalley}, Barry and {Ziznovsky}, Jozef},
        title = "Inter-Division IV-V / Working Group Ap and Related Stars",
      journal = {Transactions of the International Astronomical Union, Series A},
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       volume = {4},
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          doi = {10.1017/S174392130802560X},
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@ARTICLE{2009IAUTA..27..209P,
       author = {{Parthasarathy}, Mudumba and {Piskunov}, Nikolai E. and {Sneden}, Christopher and {Carpenter}, Kenneth G. and {Castelli}, Fiorella and {Cunha}, Katia and {Eenens}, Phillippe R.~J. and {Huben{\'{y}}}, Ivan and {Rossi}, Silvia and {Takada-Hidai}, Masahide and {Wahlgren}, Glenn M. and {Weiss}, Werner W.},
        title = "Commission 29: Stellar Spectra",
      journal = {Transactions of the International Astronomical Union, Series A},
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@ARTICLE{2009A&A...493.1125L,
       author = {{Lyra}, W. and {Johansen}, A. and {Klahr}, H. and {Piskunov}, N.},
        title = "Standing on the shoulders of giants. Trojan Earths and vortex trapping in low mass self-gravitating protoplanetary disks of gas and solids",
      journal = {\aap},
         year = 2009,
       volume = {493},
       number = {3},
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@ARTICLE{2008PhST..133a4017P,
       author = {{Piskunov}, N.},
        title = "Doppler imaging",
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@ARTICLE{2008A&A...491L..41L,
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        title = "Embryos grown in the dead zone. Assembling the first protoplanetary cores in low mass self-gravitating circumstellar disks of gas and solids",
      journal = {\aap},
         year = 2008,
       volume = {491},
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          doi = {10.1051/0004-6361:200810626},
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       eprint = {0807.2622},
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@INPROCEEDINGS{2008asvo.proc..215O,
       author = {{Obbrugger}, M. and {Heiter}, U. and {Kupka}, F. and {L{\"u}ftinger}, T. and {Nesvacil}, N. and {Piskunov}, N. and {Ryabchikova}, T.~A. and {Stempels}, H.~C. and {St{\"u}tz}, Ch. and {Weiss}, W.~W.},
        title = "Vald",
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         year = 2008,
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        pages = {215},
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@INPROCEEDINGS{2008JPhCS.130a2017R,
       author = {{Ryabchikova}, T. and {Kildiyarova}, R. and {Piskunov}, N. and {Heiter}, U. and {Fossati}, L. and {Weiss}, W.~W.},
        title = "A comparative analysis of the laboratory and theoretical transition probabilities of the Fe-peak elements for a new release of VALD",
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@INPROCEEDINGS{2008JPhCS.130a2011H,
       author = {{Heiter}, U. and {Barklem}, P. and {Fossati}, L. and {Kildiyarova}, R. and {Kochukhov}, O. and {Kupka}, F. and {Obbrugger}, M. and {Piskunov}, N. and {Plez}, B. and {Ryabchikova}, T. and {Stempels}, H.~C. and {St{\"u}tz}, Ch and {Weiss}, W.~W.},
        title = "VALD {-} an atomic and molecular database for astrophysics",
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@INPROCEEDINGS{2008SPIE.7014E..0OS,
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        title = "The upgrade of HARPS to a full-Stokes high-resolution spectropolarimeter",
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@ARTICLE{2008PhST..130a1001P,
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        title = "INTRODUCTION: Nobel Symposium 135: Physics of Planetary Systems (18 22 June 2007, Liding{\"o}, Stockholm, Sweden)",
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@ARTICLE{2008AstL...34..413S,
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        title = "Abundance analysis and searching for nonradial pulsations in the atmosphere of the chemically peculiar star HD 115708",
      journal = {Astronomy Letters},
         year = 2008,
       volume = {34},
       number = {6},
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@ARTICLE{2008CoSka..38..335L,
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        title = "3D atmospheric structure of the prototypical roAp star HD 24712 (HR1217)",
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@ARTICLE{2008A&A...479..883L,
       author = {{Lyra}, W. and {Johansen}, A. and {Klahr}, H. and {Piskunov}, N.},
        title = "Global magnetohydrodynamical models of turbulence in protoplanetary disks. I. A cylindrical potential on a Cartesian grid and transport of solids",
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         year = 2008,
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@INPROCEEDINGS{2008psa..conf..129P,
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        title = "Optimal Extraction of Echelle Spectra",
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@INPROCEEDINGS{2008ASPC..398...93S,
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        title = "Planets in the Galactic Bulge: Results from the SWEEPS Project",
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       series = {Astron.\ Soc.\ Pacific Conf.\ Ser.},
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@ARTICLE{2007ApJ...671..402K,
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        title = "Atomic Diffusion and Mixing in Old Stars. I. Very Large Telescope FLAMES-UVES Observations of Stars in NGC 6397",
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@ARTICLE{2007NatPh...3..526K,
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        title = "Weather in stellar atmosphere revealed by the dynamics of mercury clouds in {\ensuremath{\alpha}} Andromedae",
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         year = 2007,
       volume = {3},
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@INPROCEEDINGS{2007IAUS..239...68K,
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@ARTICLE{2007IAUTA..26..203S,
       author = {{Sneden}, Christopher and {Parthasarathy}, M. and {Castelli}, Fiorella and {Cunha}, Katia and {Eenens}, Philippe and {Friel}, Eileen and {Gratton}, Raffaele and {Huben{\'{y}}}, Ivan and {Landstreet}, John D. and {Mathys}, Gautier and {Piskunov}, Nikolai and {Primas}, Francesca and {Takada-Hidai}, Masahide and {Weiss}, Werner},
        title = "Commission 29: Stellar Spectra",
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        title = "Search for the radial magnetic-field gradient in the CP star {\ensuremath{\alpha}} $^{2}$ CVn",
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@ARTICLE{2006Natur.443..534S,
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        title = "Transiting extrasolar planetary candidates in the Galactic bulge",
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@ARTICLE{2006Msngr.125....6K,
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        title = "New Abundances for Old Stars - Atomic Diffusion at Work in NGC 6397",
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        title = "Magnetic Doppler Imaging of Active Stars",
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@ARTICLE{2006AN....327..340V,
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@INCOLLECTION{2006cams.book..294K,
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@ARTICLE{2005A&A...439.1093K,
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        title = "Inhomogeneous distribution of mercury on the surfaces of rapidly rotating HgMn stars",
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@INPROCEEDINGS{2005hris.conf..315P,
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@INPROCEEDINGS{2005EAS....17..245P,
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@INPROCEEDINGS{2004IAUS..224..115P,
       author = {{Piskunov}, N.},
        title = "Panel discussion section B",
    booktitle = {The A-Star Puzzle},
         year = 2004,
       editor = {{Zverko}, Juraj and {Ziznovsky}, Jozef and {Adelman}, Saul J. and {Weiss}, Werner W.},
       volume = {224},
        pages = {115-117},
          doi = {10.1017/S1743921304004454},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2004IAUS..224..115P},
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@ARTICLE{2004A&A...424..935K,
       author = {{Kochukhov}, O. and {Drake}, N.~A. and {Piskunov}, N. and {de la Reza}, R.},
        title = "Multi-element abundance Doppler imaging of the rapidly oscillating Ap star HR 3831",
      journal = {\aap},
         year = 2004,
       volume = {424},
        pages = {935-950},
          doi = {10.1051/0004-6361:20040517},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2004A&A...424..935K},
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@ARTICLE{2004ARep...48..522N,
       author = {{Novikov}, S.~V. and {Piskunov}, N.~E. and {Sokoloff}, D.~D.},
        title = "Near-Polar Starspots and Polar Dynamo Waves",
      journal = {Astronomy Reports},
         year = 2004,
       volume = {48},
       number = {6},
        pages = {522-524},
          doi = {10.1134/1.1767218},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2004ARep...48..522N},
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@ARTICLE{2004A&A...420..993V,
       author = {{Valyavin}, G. and {Kochukhov}, O. and {Piskunov}, N.},
        title = "The influence of magnetic fields on the hydrostatic structure of the atmospheres of chemically peculiar stars",
      journal = {\aap},
         year = 2004,
       volume = {420},
        pages = {993-1007},
          doi = {10.1051/0004-6361:20034345},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2004A&A...420..993V},
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@ARTICLE{2004A&A...415L..13K,
       author = {{Kochukhov}, O. and {Ryabchikova}, T. and {Piskunov}, N.},
        title = "No magnetic field variation with pulsation phase  in the roAp star {\ensuremath{\gamma}} Equulei",
      journal = {\aap},
         year = 2004,
       volume = {415},
        pages = {L13-L16},
          doi = {10.1051/0004-6361:20040001},
archivePrefix = {arXiv},
       eprint = {astro-ph/0401048},
 primaryClass = {astro-ph},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2004A&A...415L..13K},
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@ARTICLE{2004A&A...414..613K,
       author = {{Kochukhov}, O. and {Bagnulo}, S. and {Wade}, G.~A. and {Sangalli}, L. and {Piskunov}, N. and {Landstreet}, J.~D. and {Petit}, P. and {Sigut}, T.~A.~A.},
        title = "Magnetic Doppler imaging of 53 Camelopardalis  in all four Stokes parameters",
      journal = {\aap},
         year = 2004,
       volume = {414},
        pages = {613-632},
          doi = {10.1051/0004-6361:20031595},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2004A&A...414..613K},
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@ARTICLE{2004A&A...413..273B,
       author = {{Briquet}, M. and {Aerts}, C. and {L{\"u}ftinger}, T. and {De Cat}, P. and {Piskunov}, N.~E. and {Scuflaire}, R.},
        title = "He and Si surface inhomogeneities of four Bp variable stars",
      journal = {\aap},
         year = 2004,
       volume = {413},
        pages = {273-283},
          doi = {10.1051/0004-6361:20031450},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2004A&A...413..273B},
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@INPROCEEDINGS{2003csss...12.1103B,
       author = {{Barklem}, P.~S. and {Stempels}, H.~C. and {Kochukhov}, O. and {Piskunov}, N. and {O'Mara}, B.~J.},
        title = "Balmer Lines and Effective Temperatures in Cool Stars",
    booktitle = {The Future of Cool-Star Astrophysics: 12th Cambridge Workshop on Cool Stars, Stellar Systems, and the Sun},
         year = 2003,
       editor = {{Brown}, A. and {Harper}, G.~M. and {Ayres}, T.~R.},
       series = {Cambridge Workshop on Cool Stars, Stellar Systems, and the Sun},
       volume = {12},
        pages = {1103-1108},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2003csss...12.1103B},
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@INPROCEEDINGS{2003csss...12..735S,
       author = {{Stempels}, H.~C. and {Piskunov}, N.},
        title = "Probing Magnetospheric Infall onto CTTS with Time-resolved Veiling Measurements.",
    booktitle = {The Future of Cool-Star Astrophysics: 12th Cambridge Workshop on Cool Stars, Stellar Systems, and the Sun},
         year = 2003,
       editor = {{Brown}, A. and {Harper}, G.~M. and {Ayres}, T.~R.},
       series = {Cambridge Workshop on Cool Stars, Stellar Systems, and the Sun},
       volume = {12},
        pages = {735-740},
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@ARTICLE{2003A&A...408..693S,
       author = {{Stempels}, H.~C. and {Piskunov}, N.},
        title = "The photosphere and veiling spectrum of T Tauri stars",
      journal = {\aap},
         year = 2003,
       volume = {408},
        pages = {693-706},
          doi = {10.1051/0004-6361:20030637},
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@ARTICLE{2003A&A...406.1033L,
       author = {{Lueftinger}, T. and {Kuschnig}, R. and {Piskunov}, N.~E. and {Weiss}, W.~W.},
        title = "Doppler Imaging of the Ap star epsilon  Ursae Majoris: Ca, Cr, Fe, Mg, Mn, Ti, Sr",
      journal = {\aap},
         year = 2003,
       volume = {406},
        pages = {1033-1042},
          doi = {10.1051/0004-6361:20030771},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2003A&A...406.1033L},
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@INPROCEEDINGS{2003SPIE.4843..180S,
       author = {{Strassmeier}, Klaus G. and {Hofmann}, Axel and {Woche}, Manfred F. and {Rice}, John B. and {Keller}, Christoph U. and {Piskunov}, N.~E. and {Pallavicini}, Roberto},
        title = "PEPSI spectro-polarimeter for the LBT",
    booktitle = {Polarimetry in Astronomy},
         year = 2003,
       editor = {{Fineschi}, Silvano},
       series = {Society of Photo-Optical Instrumentation Engineers (SPIE) Conference Series},
       volume = {4843},
        pages = {180-189},
          doi = {10.1117/12.458232},
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@INPROCEEDINGS{2003IAUS..210P.E66K,
       author = {{Knoglinger}, P. and {Nesvacil}, N. and {Kupka}, F. and {Mittermayer}, P. and {Piskunov}, N. and {Weiss}, W.~W. and {Bruntt}, H.},
        title = "Tools and Methods for Abundance Analysis",
    booktitle = {Modelling of Stellar Atmospheres},
         year = 2003,
       editor = {{Piskunov}, N. and {Weiss}, W.~W. and {Gray}, D.~F.},
       volume = {210},
        pages = {E66},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2003IAUS..210P.E66K},
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@INPROCEEDINGS{2003IAUS..210P.E43S,
       author = {{Sokoloff}, D. and {Piskunov}, N.},
        title = "Parametric Resonance and Magnetic Activity in Close Binary Systems",
    booktitle = {Modelling of Stellar Atmospheres},
         year = 2003,
       editor = {{Piskunov}, N. and {Weiss}, W.~W. and {Gray}, D.~F.},
       volume = {210},
        pages = {E43},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2003IAUS..210P.E43S},
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@INPROCEEDINGS{2003IAUS..210P.E28B,
       author = {{Barklem}, P.~S. and {Piskunov}, N.},
        title = "Hydrogen Balmer Lines as Probes of Stellar Atmospheres",
    booktitle = {Modelling of Stellar Atmospheres},
         year = 2003,
       editor = {{Piskunov}, N. and {Weiss}, W.~W. and {Gray}, D.~F.},
       volume = {210},
        pages = {E28},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2003IAUS..210P.E28B},
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@INPROCEEDINGS{2003IAUS..210P.A14V,
       author = {{Valyavin}, G. and {Kochukhov}, O. and {Piskunov}, N.},
        title = "The Influence of the Global Magnetic Field Evolution on the Structure of Atmospheres of Early-Type Stars",
    booktitle = {Modelling of Stellar Atmospheres},
         year = 2003,
       editor = {{Piskunov}, N. and {Weiss}, W.~W. and {Gray}, D.~F.},
       volume = {210},
        pages = {A14},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2003IAUS..210P.A14V},
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@INPROCEEDINGS{2003IAUS..210..107P,
       author = {{Piskunov}, N.},
        title = "Round Table Summary: Radiative Transfer Problems",
    booktitle = {Modelling of Stellar Atmospheres},
         year = 2003,
       editor = {{Piskunov}, N. and {Weiss}, W.~W. and {Gray}, D.~F.},
       volume = {210},
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@PROCEEDINGS{2003IAUS..210.....P,
        title = "Modelling of Stellar Atmospheres",
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         year = 2003,
       volume = {210},
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@INPROCEEDINGS{2003ASPC..307..549K,
       author = {{Kochukhov}, O. and {Piskunov}, N. and {Bagnulo}, S. and {Landstreet}, J.~D. and {Sigut}, T.~A.~A. and {Petit}, P. and {Wade}, G.~A.},
        title = "Magnetic Doppler Imaging of Chemically Peculiar Stars",
    booktitle = {Solar Polarization},
         year = 2003,
       editor = {{Trujillo-Bueno}, Javier and {S{\'{a}}nchez Almeida}, Jorge},
       series = {Astron.\ Soc.\ Pacific Conf.\ Ser.},
       volume = {307},
        pages = {549},
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@INPROCEEDINGS{2003ASPC..307..539P,
       author = {{Piskunov}, N. and {Kochukhov}, O.},
        title = "Magnetic Doppler Imaging of Solar-type Stars",
    booktitle = {Solar Polarization},
         year = 2003,
       editor = {{Trujillo-Bueno}, Javier and {S{\'{a}}nchez Almeida}, Jorge},
       series = {Astron.\ Soc.\ Pacific Conf.\ Ser.},
       volume = {307},
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@INPROCEEDINGS{2003ASPC..305...92L,
       author = {{Lueftinger}, T. and {Ryabchikova}, T.~A. and {Weiss}, W.~W. and {Khochukhov}, O. and {Piskunov}, N.~E. and {Kuschnig}, R. and {Wade}, G.~A.},
        title = "Doppler and Zeeman Doppler Imaging of roAp Stars",
    booktitle = {Magnetic Fields in O, B and A Stars: Origin and Connection to Pulsation, Rotation and Mass Loss},
         year = 2003,
       editor = {{Balona}, Luis A. and {Henrichs}, Huib F. and {Medupe}, Rodney},
       series = {Astron.\ Soc.\ Pacific Conf.\ Ser.},
       volume = {305},
        pages = {92},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2003ASPC..305...92L},
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@INPROCEEDINGS{2003ASPC..305...83P,
       author = {{Piskunov}, N.~E. and {Kochukhov}, O.},
        title = "Magnetic Doppler Imaging of Early-Type Stars",
    booktitle = {Magnetic Fields in O, B and A Stars: Origin and Connection to Pulsation, Rotation and Mass Loss},
         year = 2003,
       editor = {{Balona}, Luis A. and {Henrichs}, Huib F. and {Medupe}, Rodney},
       series = {Astron.\ Soc.\ Pacific Conf.\ Ser.},
       volume = {305},
        pages = {83},
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@ARTICLE{2002A&A...396..885M,
       author = {{Moss}, D. and {Piskunov}, N. and {Sokoloff}, D.},
        title = "Nonaxisymmetric cool spot distributions and dynamo action in close binaries",
      journal = {\aap},
         year = 2002,
       volume = {396},
        pages = {885-893},
          doi = {10.1051/0004-6361:20021370},
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@ARTICLE{2002MNRAS.334..925S,
       author = {{Sokoloff}, D. and {Piskunov}, N.},
        title = "Swing excitation and magnetic activity in close binary systems",
      journal = {\mnras},
         year = 2002,
       volume = {334},
       number = {4},
        pages = {925-932},
          doi = {10.1046/j.1365-8711.2002.05583.x},
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@ARTICLE{2002A&A...391..595S,
       author = {{Stempels}, H.~C. and {Piskunov}, N.},
        title = "Spectroscopy of T Tauri stars with UVES. Observations and analysis of RU Lup",
      journal = {\aap},
         year = 2002,
       volume = {391},
        pages = {595-608},
          doi = {10.1051/0004-6361:20020814},
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@ARTICLE{2002AN....323..257P,
       author = {{Piskunov}, N.},
        title = "Spectropolarimetry of starspots",
      journal = {Astronomische Nachrichten},
         year = 2002,
       volume = {323},
        pages = {257-259},
          doi = {10.1002/1521-3994(200208)323:3/4<257::AID-ASNA257>3.0.CO;2-M},
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@ARTICLE{2002A&A...389..420K,
       author = {{Kochukhov}, O. and {Piskunov}, N. and {Ilyin}, I. and {Ilyina}, S. and {Tuominen}, I.},
        title = "Doppler Imaging of stellar magnetic fields. III. Abundance distribution and magnetic field geometry of alpha $^{2}$ CVn",
      journal = {\aap},
         year = 2002,
       volume = {389},
        pages = {420-438},
          doi = {10.1051/0004-6361:20020299},
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@ARTICLE{2002A&A...388..868K,
       author = {{Kochukhov}, O. and {Piskunov}, N.},
        title = "Doppler Imaging of stellar magnetic fields. II. Numerical experiments",
      journal = {\aap},
         year = 2002,
       volume = {388},
        pages = {868-888},
          doi = {10.1051/0004-6361:20020300},
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@ARTICLE{2002A&A...385.1095P,
       author = {{Piskunov}, N.~E. and {Valenti}, J.~A.},
        title = "New algorithms for reducing cross-dispersed echelle spectra",
      journal = {\aap},
         year = 2002,
       volume = {385},
        pages = {1095-1106},
          doi = {10.1051/0004-6361:20020175},
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@ARTICLE{2002A&A...385..951B,
       author = {{Barklem}, P.~S. and {Stempels}, H.~C. and {Allende Prieto}, C. and {Kochukhov}, O.~P. and {Piskunov}, N. and {O'Mara}, B.~J.},
        title = "Detailed analysis of Balmer lines in cool dwarf stars",
      journal = {\aap},
         year = 2002,
       volume = {385},
        pages = {951-967},
          doi = {10.1051/0004-6361:20020163},
archivePrefix = {arXiv},
       eprint = {astro-ph/0201537},
 primaryClass = {astro-ph},
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@ARTICLE{2002A&A...384..545R,
       author = {{Ryabchikova}, T. and {Piskunov}, N. and {Kochukhov}, O. and {Tsymbal}, V. and {Mittermayer}, P. and {Weiss}, W.~W.},
        title = "Abundance stratification and pulsation in the atmosphere of the roAp star boldmath gamma Equulei",
      journal = {\aap},
         year = 2002,
       volume = {384},
        pages = {545-553},
          doi = {10.1051/0004-6361:20020057},
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@INPROCEEDINGS{2002ASPC..259..280W,
       author = {{Weiss}, W.~W. and {Ryabchikova}, T.~A. and {Savanov}, I. and {Piskunov}, N. and {Tsymbal}, V. and {Mittermayer}, P. and {Mart{\'{\i}}nez}, P. and {Kochukhov}, O. and {Nesvacil}, N.},
        title = "Spectroscopy of Rapidly Oscillating Ap Stars",
    booktitle = {IAU Colloq. 185: Radial and Nonradial Pulsationsn as Probes of Stellar Physics},
         year = 2002,
       editor = {{Aerts}, Conny and {Bedding}, Timothy R. and {Christensen-Dalsgaard}, J{\o}rgen},
       series = {Astron.\ Soc.\ Pacific Conf.\ Ser.},
       volume = {259},
        pages = {280},
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@ARTICLE{2002A&A...381..736P,
       author = {{Piskunov}, N. and {Kochukhov}, O.},
        title = "Doppler Imaging of stellar magnetic fields. I. Techniques",
      journal = {\aap},
         year = 2002,
       volume = {381},
        pages = {736-756},
          doi = {10.1051/0004-6361:20011517},
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@ARTICLE{2001yCat..33740265W,
       author = {{Wade}, G.~A. and {Bagnulo}, S. and {Kochukhov}, O. and {Landstreet}, J.~D. and {Piskunov}, N. and {Stift}, M.~J.},
        title = "VizieR Online Data Catalog: LTE spectrum synthesis in magnetic atmospheres (Wade+, 2001)",
      journal = {VizieR Online Data Catalog},
         year = 2001,
          eid = {J/A+A/374/265},
        pages = {J/A+A/374/265},
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@ARTICLE{2001A&A...374..265W,
       author = {{Wade}, G.~A. and {Bagnulo}, S. and {Kochukhov}, O. and {Landstreet}, J.~D. and {Piskunov}, N. and {Stift}, M.~J.},
        title = "LTE spectrum synthesis in magnetic stellar atmospheres. The interagreement of three independent polarised radiative transfer codes",
      journal = {\aap},
         year = 2001,
       volume = {374},
        pages = {265-279},
          doi = {10.1051/0004-6361:20010735},
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@ARTICLE{2001A&A...369..965L,
       author = {{Lamzin}, S.~A. and {Stempels}, H.~C. and {Piskunov}, N.~E.},
        title = "Formation of Fe X-Fe XIV coronal lines in the accretion shock of T Tauri stars",
      journal = {\aap},
         year = 2001,
       volume = {369},
        pages = {965-970},
          doi = {10.1051/0004-6361:20010159},
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@ARTICLE{2001A&A...367..939C,
       author = {{Cowley}, C.~R. and {Hubrig}, S. and {Ryabchikova}, T.~A. and {Mathys}, G. and {Piskunov}, N. and {Mittermayer}, P.},
        title = "The core-wing anomaly of cool Ap stars. Abnormal Balmer Profiles",
      journal = {\aap},
         year = 2001,
       volume = {367},
        pages = {939-942},
          doi = {10.1051/0004-6361:20000539},
archivePrefix = {arXiv},
       eprint = {astro-ph/0012102},
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@ARTICLE{2001ApJ...547.1040P,
       author = {{Piskunov}, N. and {Kupka}, F.},
        title = "Model Atmospheres with Individualized Abundances",
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         year = 2001,
       volume = {547},
       number = {2},
        pages = {1040-1056},
          doi = {10.1086/318397},
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@INCOLLECTION{2001LNP...573..238P,
       author = {{Piskunov}, N. and {Kochukhov}, O.},
        title = "Magnetic Doppler Imaging of Chemically Peculiar Stars",
    booktitle = {Astrotomography, Indirect Imaging Methods in Observational Astronomy},
         year = 2001,
       editor = {{Boffin}, H.~M.~J. and {Steeghs}, D. and {Cuypers}, J.},
       volume = {573},
        pages = {238},
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@INPROCEEDINGS{2001ASPC..248..527J,
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        title = "New Measurements of T Tauri Magnetic Fields: Testing Magnetospheric Accretion",
    booktitle = {Magnetic Fields Across the Hertzsprung-Russell Diagram},
         year = 2001,
       editor = {{Mathys}, G. and {Solanki}, S.~K. and {Wickramasinghe}, D.~T.},
       series = {Astron.\ Soc.\ Pacific Conf.\ Ser.},
       volume = {248},
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@INPROCEEDINGS{2001ASPC..248..373W,
       author = {{Wade}, G.~A. and {Ryabchikova}, T.~A. and {Bagnulo}, S. and {Piskunov}, N.},
        title = "Chemical Stratification in Magnetic Ap Stars",
    booktitle = {Magnetic Fields Across the Hertzsprung-Russell Diagram},
         year = 2001,
       editor = {{Mathys}, G. and {Solanki}, S.~K. and {Wickramasinghe}, D.~T.},
       series = {Astron.\ Soc.\ Pacific Conf.\ Ser.},
       volume = {248},
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@INPROCEEDINGS{2001ASPC..248..341K,
       author = {{Kochukhov}, O. and {Ryabchikova}, T. and {Piskunov}, N.},
        title = "Time-Resolved Spectroscopy of the roAp Star {\ensuremath{\gamma}} Equ",
    booktitle = {Magnetic Fields Across the Hertzsprung-Russell Diagram},
         year = 2001,
       editor = {{Mathys}, G. and {Solanki}, S.~K. and {Wickramasinghe}, D.~T.},
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       volume = {248},
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@INPROCEEDINGS{2001ASPC..248..321K,
       author = {{Kochukhov}, O. and {Piskunov}, N. and {Ilyin}, I. and {Ilyina}, S. and {Tuominen}, I.},
        title = "Magnetic Doppler Imaging of {\ensuremath{\alpha}} CVn",
    booktitle = {Magnetic Fields Across the Hertzsprung-Russell Diagram},
         year = 2001,
       editor = {{Mathys}, G. and {Solanki}, S.~K. and {Wickramasinghe}, D.~T.},
       series = {Astron.\ Soc.\ Pacific Conf.\ Ser.},
       volume = {248},
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@INPROCEEDINGS{2001ASPC..248..293P,
       author = {{Piskunov}, N.},
        title = "Magnetic Doppler Imaging of CP Stars",
    booktitle = {Magnetic Fields Across the Hertzsprung-Russell Diagram},
         year = 2001,
       editor = {{Mathys}, G. and {Solanki}, S.~K. and {Wickramasinghe}, D.~T.},
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       volume = {248},
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@INPROCEEDINGS{2001ASPC..248..219K,
       author = {{Kochukhov}, O. and {Piskunov}, N. and {Valenti}, J. and {Johns-Krull}, C.},
        title = "The Search and Modelling of Magnetic Fields on M Dwarfs",
    booktitle = {Magnetic Fields Across the Hertzsprung-Russell Diagram},
         year = 2001,
       editor = {{Mathys}, G. and {Solanki}, S.~K. and {Wickramasinghe}, D.~T.},
       series = {Astron.\ Soc.\ Pacific Conf.\ Ser.},
       volume = {248},
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@INPROCEEDINGS{2001ASPC..223.1579V,
       author = {{Valenti}, J.~A. and {Johns-Krull}, C.~M. and {Piskunov}, N.~E.},
        title = "Using FeH to Measure Magnetic Fields on Cool Stars and Brown Dwarfs (CD-ROM Directory: contribs/valenti)",
    booktitle = {11th Cambridge Workshop on Cool Stars, Stellar Systems and the Sun},
         year = 2001,
       editor = {{Garc{\'{\i}}a L{\'{o}}pez}, Ram{\'{o}}n J. and {Rebolo}, Rafael and {Zapaterio Osorio}, Mario Rosa},
       series = {Astron.\ Soc.\ Pacific Conf.\ Ser.},
       volume = {223},
        pages = {1579},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2001ASPC..223.1579V},
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@INPROCEEDINGS{2001ASPC..223.1285P,
       author = {{Piskunov}, N. and {Vincent}, A. and {Duemmler}, R. and {Ilyin}, I. and {Tuominen}, I.},
        title = "Doppler Imaging of Eclipsing Binary Systems ER Vul and TY Pyx (CD-ROM Directory: contribs/piskunov)",
    booktitle = {11th Cambridge Workshop on Cool Stars, Stellar Systems and the Sun},
         year = 2001,
       editor = {{Garc{\'{\i}}a L{\'{o}}pez}, Ram{\'{o}}n J. and {Rebolo}, Rafael and {Zapaterio Osorio}, Mario Rosa},
       series = {Astron.\ Soc.\ Pacific Conf.\ Ser.},
       volume = {223},
        pages = {1285},
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@INPROCEEDINGS{2001ASPC..223..985K,
       author = {{Kochukhov}, O.~P. and {Piskunov}, N.~E. and {Valenti}, J.~A. and {Johns-Krull}, C.~M.},
        title = "The Search and Modeling of Magnetic Fields on M dwarfs (CD-ROM Directory: contribs/kochuk)",
    booktitle = {11th Cambridge Workshop on Cool Stars, Stellar Systems and the Sun},
         year = 2001,
       editor = {{Garc{\'{\i}}a L{\'{o}}pez}, Ram{\'{o}}n J. and {Rebolo}, Rafael and {Zapaterio Osorio}, Mario Rosa},
       series = {Astron.\ Soc.\ Pacific Conf.\ Ser.},
       volume = {223},
        pages = {985},
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@INPROCEEDINGS{2001ASPC..223..878S,
       author = {{Stempels}, H.~C. and {Piskunov}, N. and {Barklem}, P.~S.},
        title = "Recent Developments of the VALD Database (CD-ROM Directory: contribs/stempels)",
    booktitle = {11th Cambridge Workshop on Cool Stars, Stellar Systems and the Sun},
         year = 2001,
       editor = {{Garc{\'{\i}}a L{\'{o}}pez}, Ram{\'{o}}n J. and {Rebolo}, Rafael and {Zapaterio Osorio}, Mario Rosa},
       series = {Astron.\ Soc.\ Pacific Conf.\ Ser.},
       volume = {223},
        pages = {878},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2001ASPC..223..878S},
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@INPROCEEDINGS{2001ASPC..223..766B,
       author = {{Barklem}, P.~S. and {Kochukhov}, O. and {Piskunov}, N. and {O'Mara}, B.~J. and {Stempels}, H.~C.},
        title = "Hydrogen Line Formation in Cool Stars (CD-ROM Directory: contribs/barklem1)",
    booktitle = {11th Cambridge Workshop on Cool Stars, Stellar Systems and the Sun},
         year = 2001,
       editor = {{Garc{\'{\i}}a L{\'{o}}pez}, Ram{\'{o}}n J. and {Rebolo}, Rafael and {Zapaterio Osorio}, Mario Rosa},
       series = {Astron.\ Soc.\ Pacific Conf.\ Ser.},
       volume = {223},
        pages = {766},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2001ASPC..223..766B},
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@ARTICLE{2000A&A...363.1091B,
       author = {{Barklem}, P.~S. and {Piskunov}, N. and {O'Mara}, B.~J.},
        title = "Self-broadening in Balmer line wing formation in stellar atmospheres",
      journal = {\aap},
         year = 2000,
       volume = {363},
        pages = {1091-1105},
archivePrefix = {arXiv},
       eprint = {astro-ph/0010022},
 primaryClass = {astro-ph},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2000A&A...363.1091B},
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@ARTICLE{2000A&A...356..200G,
       author = {{Gelbmann}, M. and {Ryabchikova}, T. and {Weiss}, W.~W. and {Piskunov}, N. and {Kupka}, F. and {Mathys}, G.},
        title = "Abundance analysis of roAp stars. V. HD 166473",
      journal = {\aap},
         year = 2000,
       volume = {356},
        pages = {200-208},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2000A&A...356..200G},
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@ARTICLE{2000yCat..41420467B,
       author = {{Barklem}, P.~S. and {Piskunov}, N. and {O'Mara}, B.~J.},
        title = "VizieR Online Data Catalog: Broadening of metallic lines by H collisions (Barklem+ 2000)",
      journal = {VizieR Online Data Catalog},
         year = 2000,
          eid = {J/A+AS/142/467},
        pages = {J/A+AS/142/467},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2000yCat..41420467B},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
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@ARTICLE{2000A&AS..142..467B,
       author = {{Barklem}, P.~S. and {Piskunov}, N. and {O'Mara}, B.~J.},
        title = "A list of data for the broadening of metallic lines by neutral hydrogen collisions",
      journal = {\aaps},
         year = 2000,
       volume = {142},
        pages = {467-473},
          doi = {10.1051/aas:2000167},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2000A&AS..142..467B},
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@ARTICLE{2000A&A...355L...5B,
       author = {{Barklem}, P.~S. and {Piskunov}, N. and {O'Mara}, B.~J.},
        title = "Self broadening of hydrogen lines: initial results",
      journal = {\aap},
         year = 2000,
       volume = {355},
        pages = {L5-L8},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2000A&A...355L...5B},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
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@INPROCEEDINGS{2000mfcp.proc..194P,
       author = {{Piskunov}, N. and {Ryabchikova}, T.~A. and {Weiss}, W.~W.},
        title = "The news about Vienna Atomic Line Data Base",
    booktitle = {Magnetic Fields of Chemically Peculiar and Related Stars},
         year = 2000,
       editor = {{Glagolevskij}, Yu. V. and {Romanyuk}, I.~I.},
        pages = {194-198},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2000mfcp.proc..194P},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
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@INPROCEEDINGS{2000mfcp.proc...96P,
       author = {{Piskunov}, N.},
        title = "The new magnetic Doppler imaging code",
    booktitle = {Magnetic Fields of Chemically Peculiar and Related Stars},
         year = 2000,
       editor = {{Glagolevskij}, Yu. V. and {Romanyuk}, I.~I.},
        pages = {96-105},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2000mfcp.proc...96P},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
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@INPROCEEDINGS{2000mfcp.proc...64K,
       author = {{Kudryavtsev}, D.~O. and {Piskunov}, N.~E. and {Romanyuk}, I.~I. and {Chountonov}, G.~A. and {Shtol'}, V.~G.},
        title = "Spectral and polarimetric observations of the star HD 37022 ({\ensuremath{\theta}}$^{1}$ Ori C)",
    booktitle = {Magnetic Fields of Chemically Peculiar and Related Stars},
         year = 2000,
       editor = {{Glagolevskij}, Yu. V. and {Romanyuk}, I.~I.},
        pages = {64-67},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2000mfcp.proc...64K},
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@ARTICLE{2000BaltA...9..590K,
       author = {{Kupka}, F.~G. and {Ryabchikova}, T.~A. and {Piskunov}, N.~E. and {Stempels}, H.~C. and {Weiss}, W.~W.},
        title = "VALD-2 -- The New Vienna Atomic Line Database",
      journal = {Baltic Astronomy},
         year = 2000,
       volume = {9},
        pages = {590-594},
          doi = {10.1515/astro-2000-0420},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2000BaltA...9..590K},
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@ARTICLE{2000ApJ...528..756L,
       author = {{Linsky}, Jeffrey L. and {Redfield}, Seth and {Wood}, Brian E. and {Piskunov}, Nikolai},
        title = "The Three-dimensional Structure of the Warm Local Interstellar Medium. I. Methodology",
      journal = {\apj},
         year = 2000,
       volume = {528},
       number = {2},
        pages = {756-766},
          doi = {10.1086/308205},
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@ARTICLE{1999A&A...348..924K,
       author = {{Kuschnig}, R. and {Ryabchikova}, T.~A. and {Piskunov}, N.~E. and {Weiss}, W.~W. and {Gelbmann}, M.~J.},
        title = "Multi element Doppler imaging of AP stars. I. He, Mg, Si, CR and Fe surface distribution for CU Virginis",
      journal = {\aap},
         year = 1999,
       volume = {348},
        pages = {924-932},
       adsurl = {https://ui.adsabs.harvard.edu/abs/1999A&A...348..924K},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
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@ARTICLE{1999A&AS..138..119K,
       author = {{Kupka}, F. and {Piskunov}, N. and {Ryabchikova}, T.~A. and {Stempels}, H.~C. and {Weiss}, W.~W.},
        title = "VALD-2: Progress of the Vienna Atomic Line Data Base",
      journal = {\aaps},
         year = 1999,
       volume = {138},
        pages = {119-133},
          doi = {10.1051/aas:1999267},
       adsurl = {https://ui.adsabs.harvard.edu/abs/1999A&AS..138..119K},
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@ARTICLE{1999A&A...343..229R,
       author = {{Ryabchikova}, T. and {Piskunov}, N. and {Savanov}, I. and {Kupka}, F. and {Malanushenko}, V.},
        title = "Eu III identification and Eu abundance in CP stars",
      journal = {\aap},
         year = 1999,
       volume = {343},
        pages = {229-236},
       adsurl = {https://ui.adsabs.harvard.edu/abs/1999A&A...343..229R},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
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@INPROCEEDINGS{1999fbpp.conf..495S,
       author = {{Strokovsky}, E.~A. and {Azhgirey}, L.~S. and {Malinina}, L.~V. and {Piskunov}, N.~M. and {Sitnik}, I.~M. and {Boivin}, M. and {Hennino}, T. and {Kunne}, R. and {Kagarlis}, M. and {Radvanyi}, P. and {Tomasi-Gustaffson}, E. and {Boyard}, J. -L. and {Farhi}, L. and {Jourdain}, J.~C. and {Ramstein}, B. and {Roy-Stephan}, M. and {Alkhazov}, G.~D. and {Kravtsov}, A.~V. and {Mylnikov}, V.~A. and {Orichtchin}, E.~M. and {Prokofiev}, A.~N. and {Razmyslovich}, B.~V. and {Tkach}, I.~I. and {Volkov}, S.~S. and {Zhdanov}, A.~A. and {Dahl}, R. and {Drews}, M. and {Ellegaard}, F.~C. and {Gaarde}, C. and {Larsen}, J.~S. and {Skousen}, M. and {Morsch}, P. and {Augustiniak}, W. and {Zupranski}, P. and {Perdrisat}, C.~F. and {Punjabi}, V.},
        title = "Study of Delta and Roper resonances excitation in light nuclei induced reactions",
    booktitle = {Few-Body Problems in Physics '98},
         year = 1999,
       editor = {{Desplanques}, B. and {Protasov}, K. and {Silvestre-Brac}, B. and {Carbonell}, J.},
        pages = {495},
       adsurl = {https://ui.adsabs.harvard.edu/abs/1999fbpp.conf..495S},
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@INPROCEEDINGS{1999anot.conf..204P,
       author = {{Piskunov}, N.},
        title = "Stellar activity and magnetism",
    booktitle = {Astrophysics with the NOT},
         year = 1999,
       editor = {{Karttunen}, H. and {Piirola}, V.},
        pages = {204},
       adsurl = {https://ui.adsabs.harvard.edu/abs/1999anot.conf..204P},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
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@INCOLLECTION{1999LNP...523..107E,
       author = {{Eversberg}, Thomas and {Moffat}, Anthony F.~J. and {Debruyne}, Michael and {Rice}, John B. and {Piskunov}, Nikolai and {Bastien}, Pierre and {Wehlau}, William H. and {Chesneau}, Olivier},
        title = "Observing Hot Stars in all Four Stokes Parameters",
    booktitle = {IAU Colloq. 169: Variable and Non-spherical Stellar Winds in Luminous Hot Stars},
         year = 1999,
       editor = {{Wolf}, Bernhard and {Stahl}, Otmar and {Fullerton}, Alex W.},
       volume = {523},
        pages = {107},
          doi = {10.1007/BFb0106362},
       adsurl = {https://ui.adsabs.harvard.edu/abs/1999LNP...523..107E},
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@INPROCEEDINGS{1999ASSL..243..515P,
       author = {{Piskunov}, N.},
        title = "Modeling magnetic fields on stars other than the Sun",
    booktitle = {Polarization},
         year = 1999,
       editor = {{Nagendra}, K.~N. and {Stenflo}, J.~O.},
       series = {Astrophysics and Space Science Library},
       volume = {243},
        pages = {515-525},
          doi = {10.1007/978-94-015-9329-8\_45},
       adsurl = {https://ui.adsabs.harvard.edu/abs/1999ASSL..243..515P},
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@ARTICLE{1998PASP..110.1356E,
       author = {{Eversberg}, Thomas and {Moffat}, Anthony F.~J. and {Debruyne}, Michael and {Rice}, John B. and {Piskunov}, Nikolai and {Bastien}, Pierre and {Wehlau}, William H. and {Chesneau}, Olivier},
        title = "The William-Wehlau Spectropolarimeter: Observing Hot Stars in All Four Stokes Parameters",
      journal = {\pasp},
         year = 1998,
       volume = {110},
       number = {753},
        pages = {1356-1369},
          doi = {10.1086/316253},
       adsurl = {https://ui.adsabs.harvard.edu/abs/1998PASP..110.1356E},
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@ARTICLE{1998ApJ...498..851V,
       author = {{Valenti}, Jeff A. and {Piskunov}, Nikolai and {Johns-Krull}, Christopher M.},
        title = "Spectral Synthesis of TiO Lines",
      journal = {\apj},
         year = 1998,
       volume = {498},
       number = {2},
        pages = {851-862},
          doi = {10.1086/305587},
       adsurl = {https://ui.adsabs.harvard.edu/abs/1998ApJ...498..851V},
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@INPROCEEDINGS{1998AAS...192.1018L,
       author = {{Linsky}, J.~L. and {Piskunov}, N. and {Wood}, B.~E.},
        title = "Astronephography: the 3-D shape of the Local Interstellar Cloud",
    booktitle = {AAS abstracts \#192},
         year = 1998,
       series = {AAS abstracts},
       volume = {192},
          eid = {10.18},
        pages = {10.18},
       adsurl = {https://ui.adsabs.harvard.edu/abs/1998AAS...192.1018L},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
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@ARTICLE{1998CoSka..27..482P,
       author = {{Piskunov}, N. and {Stempels}, H.~C. and {Ryabchikova}, T.~A. and {Malanushenko}, V. and {Savanov}, I.},
        title = "Multi-element Doppler imaging of kappa PSC",
      journal = {Contributions of the Astronomical Observatory Skalnate Pleso},
         year = 1998,
       volume = {27},
       number = {3},
        pages = {482-484},
archivePrefix = {arXiv},
       eprint = {astro-ph/9805250},
 primaryClass = {astro-ph},
       adsurl = {https://ui.adsabs.harvard.edu/abs/1998CoSka..27..482P},
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@ARTICLE{1998CoSka..27..470K,
       author = {{Kuschnig}, R. and {Wade}, G.~A. and {Hill}, G.~M. and {Piskunov}, N.},
        title = "IOTA Cas: Multi-element Doppler imaging and magnetic field geometry",
      journal = {Contributions of the Astronomical Observatory Skalnate Pleso},
         year = 1998,
       volume = {27},
       number = {3},
        pages = {470-472},
archivePrefix = {arXiv},
       eprint = {astro-ph/9805243},
 primaryClass = {astro-ph},
       adsurl = {https://ui.adsabs.harvard.edu/abs/1998CoSka..27..470K},
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@ARTICLE{1998CoSka..27..436W,
       author = {{Wade}, G.~A. and {Donati}, J. -F. and {Mathys}, G. and {Piskunov}, N.},
        title = "Linear spectropolarimetry of AP stars: a new degree of constraint on magnetic structure",
      journal = {Contributions of the Astronomical Observatory Skalnate Pleso},
         year = 1998,
       volume = {27},
       number = {3},
        pages = {436-440},
archivePrefix = {arXiv},
       eprint = {astro-ph/9805069},
 primaryClass = {astro-ph},
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@ARTICLE{1998CoSka..27..374P,
       author = {{Piskunov}, N.},
        title = "Radiative transfer in Doppler Imaging",
      journal = {Contributions of the Astronomical Observatory Skalnate Pleso},
         year = 1998,
       volume = {27},
       number = {3},
        pages = {374-381},
archivePrefix = {arXiv},
       eprint = {astro-ph/9805048},
 primaryClass = {astro-ph},
       adsurl = {https://ui.adsabs.harvard.edu/abs/1998CoSka..27..374P},
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@ARTICLE{1998CoSka..27..359R,
       author = {{Ryabchikova}, T. and {Piskunov}, N. and {Savanov}, I. and {Kupka}, F.},
        title = "EU III identification and EU abundance in cool CP stars",
      journal = {Contributions of the Astronomical Observatory Skalnate Pleso},
         year = 1998,
       volume = {27},
       number = {3},
        pages = {359-361},
archivePrefix = {arXiv},
       eprint = {astro-ph/9805206},
 primaryClass = {astro-ph},
       adsurl = {https://ui.adsabs.harvard.edu/abs/1998CoSka..27..359R},
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@ARTICLE{1998CoSka..27..228K,
       author = {{Kupka}, F. and {Piskunov}, N.~E.},
        title = "CP star atmospheres based on individual ODFs",
      journal = {Contributions of the Astronomical Observatory Skalnate Pleso},
         year = 1998,
       volume = {27},
       number = {3},
        pages = {228-232},
archivePrefix = {arXiv},
       eprint = {astro-ph/9805057},
 primaryClass = {astro-ph},
       adsurl = {https://ui.adsabs.harvard.edu/abs/1998CoSka..27..228K},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
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@INPROCEEDINGS{1998ASPC..154.2029P,
       author = {{Piskunov}, N.},
        title = "INVERS10: A New Code for Magnetic Doppler Imaging",
    booktitle = {Cool Stars, Stellar Systems, and the Sun},
         year = 1998,
       editor = {{Donahue}, Robert A. and {Bookbinder}, Jay A.},
       series = {Astron.\ Soc.\ Pacific Conf.\ Ser.},
       volume = {154},
        pages = {2029},
       adsurl = {https://ui.adsabs.harvard.edu/abs/1998ASPC..154.2029P},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}

@INPROCEEDINGS{1998ASPC..154.1357V,
       author = {{Valenti}, Jeff A. and {Johns-Krull}, Christopher M. and {Piskunov}, Nikolai},
        title = "Observational Constraints on the Dynamo in Flare Stars",
    booktitle = {Cool Stars, Stellar Systems, and the Sun},
         year = 1998,
       editor = {{Donahue}, Robert A. and {Bookbinder}, Jay A.},
       series = {Astron.\ Soc.\ Pacific Conf.\ Ser.},
       volume = {154},
        pages = {1357},
       adsurl = {https://ui.adsabs.harvard.edu/abs/1998ASPC..154.1357V},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}

@INPROCEEDINGS{1998ASPC..152..343P,
       author = {{Pettersson}, B. and {Stempels}, E. and {Piskunov}, N.},
        title = "A Fiber-Linked Four Stokes-Parameter Polarimeter for the SOFIN Spectrometer on the Nordic Optical Telescope",
    booktitle = {Fiber Optics in Astronomy III},
         year = 1998,
       editor = {{Arribas}, S. and {Mediavilla}, E. and {Watson}, F.},
       series = {Astron.\ Soc.\ Pacific Conf.\ Ser.},
       volume = {152},
        pages = {343},
       adsurl = {https://ui.adsabs.harvard.edu/abs/1998ASPC..152..343P},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}

@ARTICLE{1997BaltA...6..244R,
       author = {{Ryabchikova}, T.~A. and {Piskunov}, N.~E. and {Kupka}, F. and {Weiss}, W.~W.},
        title = "The Vienna Atomic Line Database : Present State and Future Development",
      journal = {Baltic Astronomy},
         year = 1997,
       volume = {6},
        pages = {244-247},
          doi = {10.1515/astro-1997-0216},
       adsurl = {https://ui.adsabs.harvard.edu/abs/1997BaltA...6..244R},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}

@ARTICLE{1997ApJ...474..315P,
       author = {{Piskunov}, Nikolai and {Wood}, Brian E. and {Linsky}, Jeffrey L. and {Dempsey}, Robert C. and {Ayres}, R.},
        title = "Local Interstellar Medium Properties and Deuterium Abundances for the Lines of Sight toward HR 1099, 31 Comae, {\ensuremath{\beta}} Ceti, and {\ensuremath{\beta}} Cassiopeiae",
      journal = {\apj},
         year = 1997,
       volume = {474},
       number = {1},
        pages = {315-328},
          doi = {10.1086/303449},
       adsurl = {https://ui.adsabs.harvard.edu/abs/1997ApJ...474..315P},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}

@ARTICLE{1996AstL...22..822R,
       author = {{Ryabchikova}, T.~A. and {Pavlova}, V.~M. and {Davydova}, E.~S. and {Piskunov}, N.~E.},
        title = "Surface distribution of chromium on the CP2 star HD 220825 ({\ensuremath{\kappa}} Psc)",
      journal = {Astronomy Letters},
         year = 1996,
       volume = {22},
       number = {6},
        pages = {822-827},
       adsurl = {https://ui.adsabs.harvard.edu/abs/1996AstL...22..822R},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}

@ARTICLE{1996A&AS..118..595V,
       author = {{Valenti}, J.~A. and {Piskunov}, N.},
        title = "Spectroscopy made easy: A new tool for fitting observations with synthetic spectra.",
      journal = {\aaps},
         year = 1996,
       volume = {118},
        pages = {595-603},
       adsurl = {https://ui.adsabs.harvard.edu/abs/1996A&AS..118..595V},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}

@INPROCEEDINGS{1996AAS...188.4407L,
       author = {{Linsky}, J.~L. and {Piskunov}, N. and {Wood}, B.~E.},
        title = "The Three-Dimensional Structure of the Local Interstellar Medium",
    booktitle = {AAS abstracts \#188},
         year = 1996,
       series = {AAS abstracts},
       volume = {188},
          eid = {44.07},
        pages = {44.07},
       adsurl = {https://ui.adsabs.harvard.edu/abs/1996AAS...188.4407L},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}

@INPROCEEDINGS{1996AAS...188.3206V,
       author = {{Valenti}, J.~A. and {Johns-Krull}, C.~M. and {Piskunov}, N.},
        title = "M-Dwarfs: Molecules and Magnetic Fields",
    booktitle = {AAS abstracts \#188},
         year = 1996,
       series = {AAS abstracts},
       volume = {188},
          eid = {32.06},
        pages = {32.06},
       adsurl = {https://ui.adsabs.harvard.edu/abs/1996AAS...188.3206V},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}

@INPROCEEDINGS{1996IAUS..176...45P,
       author = {{Piskunov}, N.},
        title = "Doppler imaging of eclipsing binaries",
    booktitle = {Stellar Surface Structure},
         year = 1996,
       editor = {{Strassmeier}, Klaus G. and {Linsky}, Jeffrey L.},
       volume = {176},
        pages = {45},
       adsurl = {https://ui.adsabs.harvard.edu/abs/1996IAUS..176...45P},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}

@INPROCEEDINGS{1996ASPC..108..307P,
       author = {{Piskunov}, N.~E.},
        title = "The Structure of VALD",
    booktitle = {M.A.S.S., Model Atmospheres and Spectrum Synthesis},
         year = 1996,
       editor = {{Adelman}, Saul J. and {Kupka}, Friedrich and {Weiss}, Warner W.},
       series = {Astron.\ Soc.\ Pacific Conf.\ Ser.},
       volume = {108},
        pages = {307},
       adsurl = {https://ui.adsabs.harvard.edu/abs/1996ASPC..108..307P},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}

@INPROCEEDINGS{1996ASPC..108..175V,
       author = {{Valenti}, J.~A. and {Piskunov}, N.~E.},
        title = "Spectroscopy Made Easy",
    booktitle = {M.A.S.S., Model Atmospheres and Spectrum Synthesis},
         year = 1996,
       editor = {{Adelman}, Saul J. and {Kupka}, Friedrich and {Weiss}, Warner W.},
       series = {Astron.\ Soc.\ Pacific Conf.\ Ser.},
       volume = {108},
        pages = {175},
       adsurl = {https://ui.adsabs.harvard.edu/abs/1996ASPC..108..175V},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}

@INPROCEEDINGS{1996ASPC..108..159L,
       author = {{Lester}, J.~B. and {Piskunov}, N.~E.},
        title = "Introduction",
    booktitle = {M.A.S.S., Model Atmospheres and Spectrum Synthesis},
         year = 1996,
       editor = {{Adelman}, Saul J. and {Kupka}, Friedrich and {Weiss}, Warner W.},
       series = {Astron.\ Soc.\ Pacific Conf.\ Ser.},
       volume = {108},
        pages = {159},
       adsurl = {https://ui.adsabs.harvard.edu/abs/1996ASPC..108..159L},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}

@INPROCEEDINGS{1995AAS...18710304B,
       author = {{Bennett}, P.~D. and {Brown}, A. and {Harper}, G.~M. and {Piskunov}, N. and {Griffin}, R.~E.~M.},
        title = "The Chromosphere and Wind of zeta Aurigae",
    booktitle = {AAS abstracts},
         year = 1995,
       series = {AAS abstracts},
       volume = {187},
          eid = {103.04},
        pages = {103.04},
       adsurl = {https://ui.adsabs.harvard.edu/abs/1995AAS...18710304B},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}

@ARTICLE{1995A&AS..112..525P,
       author = {{Piskunov}, N.~E. and {Kupka}, F. and {Ryabchikova}, T.~A. and {Weiss}, W.~W. and {Jeffery}, C.~S.},
        title = "VALD: The Vienna Atomic Line Data Base.",
      journal = {\aaps},
         year = 1995,
       volume = {112},
        pages = {525},
       adsurl = {https://ui.adsabs.harvard.edu/abs/1995A&AS..112..525P},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}

@ARTICLE{1995A&A...296..473H,
       author = {{Hiesberger}, F. and {Piskunov}, N. and {Bonsack}, W.~K. and {Weiss}, W.~W. and {Ryabchikova}, T.~A. and {Kuschnig}, R.},
        title = "The HeI surface distribution of the CP2 star CU Virginis.",
      journal = {\aap},
         year = 1995,
       volume = {296},
        pages = {473},
       adsurl = {https://ui.adsabs.harvard.edu/abs/1995A&A...296..473H},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}

@ARTICLE{1995A&A...294..757K,
       author = {{Kuschnig}, R. and {Ryabchikova}, T. and {Piskunov}, N. and {Weiss}, W.~W. and {Lecontel}, J.~M.},
        title = "The atmosphere of the peculiar binary system ET Andromedae.",
      journal = {\aap},
         year = 1995,
       volume = {294},
        pages = {757-762},
       adsurl = {https://ui.adsabs.harvard.edu/abs/1995A&A...294..757K},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}

@ARTICLE{1995IAUS..176P.135K,
       author = {{Kuschnig}, R. and {Ryabchikova}, T. and {Piskunov}, N.~E. and {Weiss}, W.~W.},
        title = "Ap-star mapping: He, Mg, Si, and Fe surface distributions on the CP2 star CU Virginis",
      journal = {IAU Symposium},
         year = 1995,
       volume = {176},
        pages = {135},
       adsurl = {https://ui.adsabs.harvard.edu/abs/1995IAUS..176P.135K},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}

@ARTICLE{1995IAUS..176P.132R,
       author = {{Ryabchikova}, T. and {Kuschnig}, R. and {Piskunov}, N.~E. and {Pavlova}, V.},
        title = "Ap-star mapping: Fe and Cr abundance distribution on the surface of HD 153882",
      journal = {IAU Symposium},
         year = 1995,
       volume = {176},
        pages = {132},
       adsurl = {https://ui.adsabs.harvard.edu/abs/1995IAUS..176P.132R},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}

@ARTICLE{1995BCrAO..91..176P,
       author = {{Piskunov}, N.~E. and {Rice}, J.~B.},
        title = "Progress in surface imaging",
      journal = {Bulletin Crimean Astrophysical Observatory},
         year = 1995,
       volume = {91},
        pages = {176},
       adsurl = {https://ui.adsabs.harvard.edu/abs/1995BCrAO..91..176P},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}

@INPROCEEDINGS{1995ASPC...81..610P,
       author = {{Piskunov}, N.~E. and {Kupka}, F. and {Ryabchikova}, T.~A. and {Weiss}, W.~W. and {Jeffery}, C.~S.},
        title = "The Vienna Atomic Line Data-Base",
    booktitle = {Laboratory and Astronomical High Resolution Spectra},
         year = 1995,
       editor = {{Sauval}, A.~J. and {Blomme}, R. and {Grevesse}, N.},
       series = {Astron.\ Soc.\ Pacific Conf.\ Ser.},
       volume = {81},
        pages = {610},
       adsurl = {https://ui.adsabs.harvard.edu/abs/1995ASPC...81..610P},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}

@INPROCEEDINGS{1995ASPC...77..133S,
       author = {{Smirnov}, O.~M. and {Piskunov}, N.~E.},
        title = "Providing a Common GUI to Image Processing Tasks under pcIPS",
    booktitle = {Astronomical Data Analysis Software and Systems IV},
         year = 1995,
       editor = {{Shaw}, R.~A. and {Payne}, H.~E. and {Hayes}, J.~J.~E.},
       series = {Astron.\ Soc.\ Pacific Conf.\ Ser.},
       volume = {77},
        pages = {133},
       adsurl = {https://ui.adsabs.harvard.edu/abs/1995ASPC...77..133S},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}

@ARTICLE{1994A&A...291..910P,
       author = {{Piskunov}, N. and {Ryabchikova}, T.~A. and {Kuschnig}, R. and {Weiss}, W.~W.},
        title = "Spectrum variability of ET Andromedae: SI and He surface mapping.",
      journal = {\aap},
         year = 1994,
       volume = {291},
        pages = {910-918},
       adsurl = {https://ui.adsabs.harvard.edu/abs/1994A&A...291..910P},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}

@ARTICLE{1994A&A...289..868P,
       author = {{Piskunov}, N. and {Wehlau}, W.~H.},
        title = "The detectability of cool polar caps on late type stars.",
      journal = {\aap},
         year = 1994,
       volume = {289},
        pages = {868-870},
       adsurl = {https://ui.adsabs.harvard.edu/abs/1994A&A...289..868P},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}

@ARTICLE{1994JRASC..88..254P,
       author = {{Piskunov}, N.},
        title = "Surface imaging of stars.",
      journal = {\jrasc},
         year = 1994,
       volume = {88},
       number = {4},
        pages = {254},
       adsurl = {https://ui.adsabs.harvard.edu/abs/1994JRASC..88..254P},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}

@ARTICLE{1994MNRAS.267..697R,
       author = {{Ryabchikova}, T.~A. and {Hill}, G.~M. and {Landstreet}, J.~D. and {Piskunov}, N. and {Sigut}, T.~A.~A.},
        title = "Astrophysical determination of optical oscillator strengths for TI II.",
      journal = {\mnras},
         year = 1994,
       volume = {267},
        pages = {697-710},
          doi = {10.1093/mnras/267.3.697},
       adsurl = {https://ui.adsabs.harvard.edu/abs/1994MNRAS.267..697R},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}

@INPROCEEDINGS{1994cpms.conf...53P,
       author = {{Piskunov}, N.},
        title = "Surface Imaging of Spotted Stars",
    booktitle = {Chemically Peculiar and Magnetic Stars},
         year = 1994,
       editor = {{Zverko}, J. and {Ziznovsky}, J.},
        pages = {53},
       adsurl = {https://ui.adsabs.harvard.edu/abs/1994cpms.conf...53P},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}

@ARTICLE{1994IzKry..91..208P,
       author = {{Piskunov}, N.~E. and {Rice}, J.~B.},
        title = "Progress in surface imaging.",
      journal = {Izvestiya Ordena Trudovogo Krasnogo Znameni Krymskoj Astrofizicheskoj Observatorii},
         year = 1994,
       volume = {91},
        pages = {208-217},
       adsurl = {https://ui.adsabs.harvard.edu/abs/1994IzKry..91..208P},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}

@INPROCEEDINGS{1994ASPC...64..661S,
       author = {{Saar}, S.~H. and {Piskunov}, N.~E. and {Tuominen}, I.},
        title = "Multiepoch Magnetic Surface Images of LQ Hya",
    booktitle = {Cool Stars, Stellar Systems, and the Sun},
         year = 1994,
       editor = {{Caillault}, Jean-Pierre},
       series = {Astron.\ Soc.\ Pacific Conf.\ Ser.},
       volume = {64},
        pages = {661-663},
       adsurl = {https://ui.adsabs.harvard.edu/abs/1994ASPC...64..661S},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}

@INPROCEEDINGS{1994ASPC...64..658P,
       author = {{Piskunov}, N.~E. and {Huenemoerder}, D. and {Saar}, S.~H.},
        title = "Simultaneous SPOT and Chromosphere Maps of FK Comae",
    booktitle = {Cool Stars, Stellar Systems, and the Sun},
         year = 1994,
       editor = {{Caillault}, Jean-Pierre},
       series = {Astron.\ Soc.\ Pacific Conf.\ Ser.},
       volume = {64},
        pages = {658-660},
       adsurl = {https://ui.adsabs.harvard.edu/abs/1994ASPC...64..658P},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}

@INPROCEEDINGS{1994ASPC...61..245S,
       author = {{Smirnov}, O.~M. and {Piskunov}, N.~E.},
        title = "PC-based Astronomical Image Processing with pcIPS",
    booktitle = {Astronomical Data Analysis Software and Systems III},
         year = 1994,
       editor = {{Crabtree}, D.~R. and {Hanisch}, R.~J. and {Barnes}, J.},
       series = {Astron.\ Soc.\ Pacific Conf.\ Ser.},
       volume = {61},
        pages = {245},
       adsurl = {https://ui.adsabs.harvard.edu/abs/1994ASPC...61..245S},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}

@ARTICLE{1993PASP..105.1415P,
       author = {{Piskunov}, N.~E. and {Rice}, J.~B.},
        title = "Techniques for Surface Imaging of Stars",
      journal = {\pasp},
         year = 1993,
       volume = {105},
        pages = {1415},
          doi = {10.1086/133323},
       adsurl = {https://ui.adsabs.harvard.edu/abs/1993PASP..105.1415P},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}

@ARTICLE{1993A&A...278..523V,
       author = {{Vincent}, A. and {Piskunov}, N.~E. and {Tuominen}, I.},
        title = "Surface imaging of eclipsing binary stars. I. Techniques.",
      journal = {\aap},
         year = 1993,
       volume = {278},
        pages = {523-541},
       adsurl = {https://ui.adsabs.harvard.edu/abs/1993A&A...278..523V},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}

@ARTICLE{1993IAPPP..53...16S,
       author = {{Smirnov}, O.~M. and {Piskunov}, N.~E.},
        title = "Image Processing on Your Desktop with pcIPS",
      journal = {International Amateur-Professional Photoelectric Photometry Communications},
         year = 1993,
       volume = {53},
        pages = {16},
       adsurl = {https://ui.adsabs.harvard.edu/abs/1993IAPPP..53...16S},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}

@INPROCEEDINGS{1993ASPC...52..259S,
       author = {{Smirnov}, O.~M. and {Piskunov}, N.~E.},
        title = "PcIPS 2.0: Powerful Multiprofile Image Processing Implemented On PCs",
    booktitle = {Astronomical Data Analysis Software and Systems II},
         year = 1993,
       editor = {{Hanisch}, R.~J. and {Brissenden}, R.~J.~V. and {Barnes}, J.},
       series = {Astron.\ Soc.\ Pacific Conf.\ Ser.},
       volume = {52},
        pages = {259},
       adsurl = {https://ui.adsabs.harvard.edu/abs/1993ASPC...52..259S},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}

@INPROCEEDINGS{1993ASPC...52..208S,
       author = {{Smirnov}, O.~M. and {Piskunov}, N.~E.},
        title = "A New Programming Metaphor For Image Processing Procedures",
    booktitle = {Astronomical Data Analysis Software and Systems II},
         year = 1993,
       editor = {{Hanisch}, R.~J. and {Brissenden}, R.~J.~V. and {Barnes}, J.},
       series = {Astron.\ Soc.\ Pacific Conf.\ Ser.},
       volume = {52},
        pages = {208},
       adsurl = {https://ui.adsabs.harvard.edu/abs/1993ASPC...52..208S},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}

@INPROCEEDINGS{1992pess.conf...92P,
       author = {{Piskunov}, N.~E.},
        title = "SYNTH - a code for rapid spectral synthesis",
    booktitle = {Physics and Evolution of Stars: Stellar Magnetism},
         year = 1992,
        pages = {92},
       adsurl = {https://ui.adsabs.harvard.edu/abs/1992pess.conf...92P},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}

@INPROCEEDINGS{1992ASPC...26..255S,
       author = {{Saar}, S.~H. and {Piskunov}, N.~E. and {Tuominen}, I.},
        title = "Magnetic Surface Images of the BY DRA Star HD 82558",
    booktitle = {Cool Stars, Stellar Systems, and the Sun},
         year = 1992,
       editor = {{Giampapa}, Mark S. and {Bookbinder}, Jay A.},
       series = {Astron.\ Soc.\ Pacific Conf.\ Ser.},
       volume = {26},
        pages = {255-258},
       adsurl = {https://ui.adsabs.harvard.edu/abs/1992ASPC...26..255S},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}

@INPROCEEDINGS{1992ASPC...25..344S,
       author = {{Smirnov}, O.~M. and {Piskunov}, N.~E. and {Afanasyev}, V.~P. and {Morozov}, A.~I.},
        title = "PC-IPS: Interactive System For Astronomical Image Processing",
    booktitle = {Astronomical Data Analysis Software and Systems I},
         year = 1992,
       editor = {{Worrall}, Diana M. and {Biemesderfer}, Chris and {Barnes}, Jeannette},
       series = {Astron.\ Soc.\ Pacific Conf.\ Ser.},
       volume = {25},
        pages = {344},
       adsurl = {https://ui.adsabs.harvard.edu/abs/1992ASPC...25..344S},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}

@ARTICLE{1991A&A...247..130S,
       author = {{Strassmeier}, K.~G. and {Rice}, J.~B. and {Wehlau}, W.~H. and {Vogt}, S.~S. and {Hatzes}, A.~P. and {Tuominen}, I. and {Piskunov}, N.~E. and {Hackman}, T. and {Poutanen}, M.},
        title = "Doppler imaging of hig-latitude SPOT activity on HD 26337.",
      journal = {\aap},
         year = 1991,
       volume = {247},
        pages = {130},
       adsurl = {https://ui.adsabs.harvard.edu/abs/1991A&A...247..130S},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}

@ARTICLE{1991NInfo..70...56K,
       author = {{Kulkova}, L.~I. and {Piskunov}, N.~E. and {Svyatoslavskij}, N.~L.},
        title = "The second generation automated system for spectrum processing in the Astronomical council of the Academy of sciences of USSR",
      journal = {Nauchnye Informatsii},
         year = 1991,
       volume = {70},
        pages = {56},
       adsurl = {https://ui.adsabs.harvard.edu/abs/1991NInfo..70...56K},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}

@INCOLLECTION{1991LNP...380..321H,
       author = {{Hackman}, T. and {Piskunov}, N.~E. and {Poutanen}, M. and {Strassmeier}, K.~G. and {Tuominen}, I.},
        title = "Surface Imaging of Ei-Eridani",
    booktitle = {IAU Colloq. 130: The Sun and Cool Stars. Activity, Magnetism, Dynamos},
         year = 1991,
       editor = {{Tuominen}, I. and {Moss}, D. and {R{\"u}diger}, G.},
       volume = {380},
        pages = {321},
          doi = {10.1007/3-540-53955-7\_148},
       adsurl = {https://ui.adsabs.harvard.edu/abs/1991LNP...380..321H},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}

@INCOLLECTION{1991LNP...380..309P,
       author = {{Piskunov}, N.~E.},
        title = "The Art of Surface Imaging",
    booktitle = {IAU Colloq. 130: The Sun and Cool Stars. Activity, Magnetism, Dynamos},
         year = 1991,
       editor = {{Tuominen}, I. and {Moss}, D. and {R{\"u}diger}, G.},
       volume = {380},
        pages = {309},
          doi = {10.1007/3-540-53955-7\_147},
       adsurl = {https://ui.adsabs.harvard.edu/abs/1991LNP...380..309P},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}

@ARTICLE{1990FBS.....8..137A,
       author = {{Ableev}, V.~G. and {Dshemuchadse}, S.~V. and {Dimitrov}, C. and {Kobushkin}, A.~P. and {Naumann}, B. and {Naumann}, L. and {Nomofilov}, A.~A. and {Penchev}, L. and {Piskunov}, N.~M. and {Sharov}, V.~I. and {Sitnik}, I.~M. and {Strokovsky}, E.~A. and {Strunov}, L.~N. and {Tesch}, S. and {Zaporozhets}, S.~A.},
        title = "Proton and triton momentum distributions from$^{4}$He fragmentation at relativistic energies",
      journal = {Few-Body Systems},
         year = 1990,
       volume = {8},
       number = {4},
        pages = {137-144},
          doi = {10.1007/BF01081826},
       adsurl = {https://ui.adsabs.harvard.edu/abs/1990FBS.....8..137A},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}

@ARTICLE{1990A&A...233..497P,
       author = {{Piskunov}, N.~E. and {Wehlau}, W.~H.},
        title = "Mapping stellar surfaces from spectra of medium resolution",
      journal = {\aap},
         year = 1990,
       volume = {233},
       number = {2},
        pages = {497-502},
       adsurl = {https://ui.adsabs.harvard.edu/abs/1990A&A...233..497P},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}

@ARTICLE{1990A&A...230..363P,
       author = {{Piskunov}, N.~E. and {Tuominen}, I. and {Vilhu}, O.},
        title = "Surface imaging of late-type stars.",
      journal = {\aap},
         year = 1990,
       volume = {230},
        pages = {363-370},
       adsurl = {https://ui.adsabs.harvard.edu/abs/1990A&A...230..363P},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}

@ARTICLE{1990MmSAI..61..577P,
       author = {{Piskunov}, N.~E.},
        title = "The surface imaging of the stars.",
      journal = {\memsai},
         year = 1990,
       volume = {61},
        pages = {577},
       adsurl = {https://ui.adsabs.harvard.edu/abs/1990MmSAI..61..577P},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}

@INPROCEEDINGS{1990ASPC....9...73T,
       author = {{Tuominen}, I. and {Piskunov}, N.~E. and {Moss}, D. and {Brandenburg}, A.},
        title = "Surface Imaging of Giant Stars and Nonlinear Dynamos",
    booktitle = {Cool Stars, Stellar Systems, and the Sun},
         year = 1990,
       editor = {{Wallerstein}, George},
       series = {Astron.\ Soc.\ Pacific Conf.\ Ser.},
       volume = {9},
        pages = {73},
       adsurl = {https://ui.adsabs.harvard.edu/abs/1990ASPC....9...73T},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}

@INPROCEEDINGS{1988mast.conf..124R,
       author = {{Ryabchikova}, T.~A. and {Piskunov}, N.~E.},
        title = "Abundance analysis of Hg-Mn star {\ensuremath{\phi}} Herculis",
    booktitle = {Magnetic Stars},
         year = 1988,
       editor = {{Glagolevsky}, Yu. V.},
        pages = {124},
       adsurl = {https://ui.adsabs.harvard.edu/abs/1988mast.conf..124R},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}

@INPROCEEDINGS{1988mast.conf...32G,
       author = {{Glagolevskij}, Yu. V. and {El'Kin}, V.~G. and {Romanyuk}, I.~I. and {Piskunov}, N.~E.},
        title = "The estimation of 53 Cam magnetic field value by means of spectral line width analysis",
    booktitle = {Magnetic Stars},
         year = 1988,
       editor = {{Glagolevsky}, Yu. V.},
        pages = {32},
       adsurl = {https://ui.adsabs.harvard.edu/abs/1988mast.conf...32G},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}

@INPROCEEDINGS{1988eaa..conf...93R,
       author = {{Ryabchikova}, T.~A. and {Piskunov}, N.~E.},
        title = "Abundance Analysis of the Mercury-Manganese Star Phi Herculis",
    booktitle = {Elemental Abundance Analyses},
         year = 1988,
       editor = {{Adelman}, Saul J. and {Lanz}, T.},
        pages = {93},
       adsurl = {https://ui.adsabs.harvard.edu/abs/1988eaa..conf...93R},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}

@ARTICLE{1988TarOT..89..168B,
       author = {{Bochkarev}, N.~G. and {Lozinskaya}, T.~A. and {Pravdikova}, V.~V. and {Sitnik}, T.~G. and {Piskunov}, N.~N.},
        title = "Preliminary results of new observations of NGC 6888.",
      journal = {Tartu Astrofuusika Observatoorium Teated},
         year = 1988,
       volume = {89},
        pages = {168-172},
       adsurl = {https://ui.adsabs.harvard.edu/abs/1988TarOT..89..168B},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}

@ARTICLE{1986NInfo..59...99L,
       author = {{Lukin}, V. Yu. and {Mit'kin}, K.~N. and {Piskunov}, N.~E.},
        title = "General principles of computer image processing",
      journal = {Nauchnye Informatsii},
         year = 1986,
       volume = {59},
        pages = {99},
       adsurl = {https://ui.adsabs.harvard.edu/abs/1986NInfo..59...99L},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}

@ARTICLE{1986NInfo..59...89L,
       author = {{Lukin}, V. Yu. and {Piskunov}, N.~E.},
        title = "Service programmes expanding possibilities of programming in FORTRAN language in OS ES",
      journal = {Nauchnye Informatsii},
         year = 1986,
       volume = {59},
        pages = {89},
       adsurl = {https://ui.adsabs.harvard.edu/abs/1986NInfo..59...89L},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}

@INPROCEEDINGS{1986ASSL..125...45R,
       author = {{Riabchikova}, T.~A. and {Piskunov}, N.~E.},
        title = "Estimation of Stellar Surface Magnetic Fields by the Curve-Of Method",
    booktitle = {IAU Colloq. 90: Upper Main Sequence Stars with Anomalous Abundances},
         year = 1986,
       editor = {{Cowley}, Charles R. and {Dworetsky}, Michael M. and {Megessier}, Claud},
       series = {Astrophysics and Space Science Library},
       volume = {125},
        pages = {45},
          doi = {10.1007/978-94-009-4714-6\_8},
       adsurl = {https://ui.adsabs.harvard.edu/abs/1986ASSL..125...45R},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}

@ARTICLE{1985SvAL...11..335G,
       author = {{Grishin}, M.~P. and {Kurbanov}, S.~M. and {Pakhomov}, S.~V. and {Piskunov}, N.~E. and {Sviatoslavskii}, N.~L.},
        title = "An automated astronomical image processor",
      journal = {Soviet Astronomy Letters},
         year = 1985,
       volume = {11},
        pages = {335-338},
       adsurl = {https://ui.adsabs.harvard.edu/abs/1985SvAL...11..335G},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}

@ARTICLE{1985PAZh...11..371G,
       author = {{Glagolevskij}, Yu. V. and {Piskunov}, N.~E. and {Khokhlova}, V.~L.},
        title = "Investigation of the AP star alpha2 CVn magnetic field geometry from circular polarization profiles of metallic lines.",
      journal = {Pisma v Astronomicheskii Zhurnal},
         year = 1985,
       volume = {11},
        pages = {371-377},
       adsurl = {https://ui.adsabs.harvard.edu/abs/1985PAZh...11..371G},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}

@ARTICLE{1985SvAL...11..154G,
       author = {{Glagolevskii}, Y.~V. and {Piskunov}, N.~E. and {Khokhlova}, V.~L.},
        title = "Magnetic Field Geometry of ALPHA-2-CANUM-VENATICORUM Derived from Circular Polarization Profiles of Metal Lines",
      journal = {Soviet Astronomy Letters},
         year = 1985,
       volume = {11},
        pages = {154-156},
       adsurl = {https://ui.adsabs.harvard.edu/abs/1985SvAL...11..154G},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}

@ARTICLE{1985PAZh...11...44P,
       author = {{Piskunov}, N.~E.},
        title = "The magnetic field geometry of AP stars - A solution algorithm",
      journal = {Pisma v Astronomicheskii Zhurnal},
         year = 1985,
       volume = {11},
        pages = {44-50},
       adsurl = {https://ui.adsabs.harvard.edu/abs/1985PAZh...11...44P},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}

@ARTICLE{1985SvAL...11...18P,
       author = {{Piskunov}, N.~E.},
        title = "The Magnetic Field Geometry of Ap-Stars - a Solution Algorithm",
      journal = {Soviet Astronomy Letters},
         year = 1985,
       volume = {11},
        pages = {18-21},
       adsurl = {https://ui.adsabs.harvard.edu/abs/1985SvAL...11...18P},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}

@ARTICLE{1985PAZh...11..793G,
       author = {{Grishin}, M.~P. and {Kurbanov}, S.~M. and {Pakhomov}, S.~V. and {Piskunov}, N.~E. and {Svyatoslavskij}, N.~L.},
        title = "Automated System for Astronomical Image Processing",
      journal = {Pisma v Astronomicheskii Zhurnal},
         year = 1985,
       volume = {11},
        pages = {793-800},
       adsurl = {https://ui.adsabs.harvard.edu/abs/1985PAZh...11..793G},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}

@ARTICLE{1984PAZh...10..449P,
       author = {{Piskunov}, N.~E. and {Khokhlova}, V.~L.},
        title = "Linear-polarization line profiles as an indicator of the magnetic field geometry of AP stars",
      journal = {Pisma v Astronomicheskii Zhurnal},
         year = 1984,
       volume = {10},
        pages = {449-456},
       adsurl = {https://ui.adsabs.harvard.edu/abs/1984PAZh...10..449P},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}

@ARTICLE{1984SvAL...10..187P,
       author = {{Piskunov}, N.~E. and {Khokhlova}, V.~L.},
        title = "Linear Polarization Line Profiles as an Indicator of the Magnetic Field Geometry of Ap-Stars",
      journal = {Soviet Astronomy Letters},
         year = 1984,
       volume = {10},
        pages = {187-189},
       adsurl = {https://ui.adsabs.harvard.edu/abs/1984SvAL...10..187P},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}

@INPROCEEDINGS{1984mast.conf...27R,
       author = {{Ryabchikova}, T.~A. and {Piskunov}, N.~E.},
        title = "Estimate of stellar surface magnetic fields by the curve-of-growth method.",
    booktitle = {Magnetic Stars},
         year = 1984,
        pages = {27-28},
       adsurl = {https://ui.adsabs.harvard.edu/abs/1984mast.conf...27R},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}

@INPROCEEDINGS{1984mast.conf...20P,
       author = {{Piskunov}, N.~E. and {Khokhlova}, V.~L.},
        title = "The study of magnetic field geometry of Ap stars by spectral line polarization profiles.",
    booktitle = {Magnetic Stars},
         year = 1984,
        pages = {20-21},
       adsurl = {https://ui.adsabs.harvard.edu/abs/1984mast.conf...20P},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}

@ARTICLE{1983PAZh....9..665P,
       author = {{Piskunov}, N.~E. and {Khokhlova}, V.~L.},
        title = "Numerical modeling of circular-polarization profiles for magnetic AP stars",
      journal = {Pisma v Astronomicheskii Zhurnal},
         year = 1983,
       volume = {9},
        pages = {665-672},
       adsurl = {https://ui.adsabs.harvard.edu/abs/1983PAZh....9..665P},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}

@ARTICLE{1983SvAL....9..346P,
       author = {{Piskunov}, N.~E. and {Khokhlova}, V.~L.},
        title = "Numerical Modeling of Circular Polarization Profiles for Magnetic Ap-Stars",
      journal = {Soviet Astronomy Letters},
         year = 1983,
       volume = {9},
        pages = {346-349},
       adsurl = {https://ui.adsabs.harvard.edu/abs/1983SvAL....9..346P},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}

@ARTICLE{1983NInfo..54...45P,
       author = {{Piskunov}, N.~E. and {Ptitsyn}, D.~A. and {Ryabchikova}, T.~A. and {Khoklova}, V.~L.},
        title = "A Spectrogram Reducing System Based on the Microdensitometer MDM-6 Joyce Loebl Coupled with the Minicomputer NOVA3/12",
      journal = {Nauchnye Informatsii},
         year = 1983,
       volume = {54},
        pages = {45},
       adsurl = {https://ui.adsabs.harvard.edu/abs/1983NInfo..54...45P},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}

@ARTICLE{1982SvAL....8...15W,
       author = {{Wehlau}, W. and {Rice}, J. and {Piskunov}, N.~E. and {Khokhlova}, V.~L.},
        title = "Mapping of iron and chromium on the surface of the AP star Epsilon Ursae Majoris",
      journal = {Soviet Astronomy Letters},
         year = 1982,
       volume = {8},
        pages = {15-19},
       adsurl = {https://ui.adsabs.harvard.edu/abs/1982SvAL....8...15W},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}

@ARTICLE{1982NInfo..51..111P,
       author = {{Piskunov}, N.~E.},
        title = "The procedure system for files management in OS ES",
      journal = {Nauchnye Informatsii},
         year = 1982,
       volume = {51},
        pages = {111},
       adsurl = {https://ui.adsabs.harvard.edu/abs/1982NInfo..51..111P},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}

@ARTICLE{1982NInfo..31..111P,
       author = {{Piskunov}, N.~E.},
        title = "The procedure system for files menagement in OS ES",
      journal = {Nauchnye Informatsii},
         year = 1982,
       volume = {31},
        pages = {111},
       adsurl = {https://ui.adsabs.harvard.edu/abs/1982NInfo..31..111P},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}

@INPROCEEDINGS{1981LIACo..23..265R,
       author = {{Rice}, J. and {Wehlau}, W. and {Khokhlova}, V.~L. and {Piskunov}, N.~E.},
        title = "The distribution of iron and chromium over the surface of Epsilon UMa",
    booktitle = {Liege International Astrophysical Colloquia},
         year = 1981,
       series = {Liege International Astrophysical Colloquia},
       volume = {23},
        pages = {265-270},
       adsurl = {https://ui.adsabs.harvard.edu/abs/1981LIACo..23..265R},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}


