@ARTICLE{2022A&A...662A..13S,
       author = {{Sobotka}, Michal and {Puschmann}, Klaus G.},
        title = "Horizontal motions in sunspot penumbrae",
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         year = 2022,
       volume = {662},
          eid = {A13},
        pages = {A13},
          doi = {10.1051/0004-6361/202243577},
archivePrefix = {arXiv},
       eprint = {2205.03171},
 primaryClass = {astro-ph.SR},
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@INPROCEEDINGS{2019ASPC..526..191B,
       author = {{Beck}, C. and {Fabbian}, D. and {Rezaei}, R. and {Puschmann}, K.~G.},
        title = "Magnetic Flux Density in 3D MHD Simulations and Observations",
    booktitle = {Solar Polariation Workshop 8},
         year = 2019,
       editor = {{Belluzzi}, L. and {Casini}, R. and {Romoli}, M. and {Trujillo Bueno}, J.},
       series = {Astron.\ Soc.\ Pacific Conf.\ Ser.},
       volume = {526},
        pages = {191},
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@INPROCEEDINGS{2017SPIE10562E..0FK,
       author = {{Kraft}, S. and {Puschmann}, K.~G. and {Luntama}, J.~P.},
        title = "Remote sensing optical instrumentation for enhanced space weather monitoring from the L1 and L5 Lagrange points",
    booktitle = {Society of Photo-Optical Instrumentation Engineers (SPIE) Conference Series},
         year = 2017,
       series = {Society of Photo-Optical Instrumentation Engineers (SPIE) Conference Series},
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          doi = {10.1117/12.2296100},
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@ARTICLE{2017ApJ...842...37B,
       author = {{Beck}, C. and {Fabbian}, D. and {Rezaei}, R. and {Puschmann}, K.~G.},
        title = "The Polarization Signature of Photospheric Magnetic Fields in 3D MHD Simulations and Observations at Disk Center",
      journal = {\apj},
         year = 2017,
       volume = {842},
       number = {1},
          eid = {37},
        pages = {37},
          doi = {10.3847/1538-4357/aa7466},
archivePrefix = {arXiv},
       eprint = {1705.06812},
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@ARTICLE{2016SoPh..291.2281B,
       author = {{Beck}, C. and {Rezaei}, R. and {Puschmann}, K.~G. and {Fabbian}, D.},
        title = "Spectroscopy at the Solar Limb: II. Are Spicules Heated to Coronal Temperatures?",
      journal = {\solphys},
         year = 2016,
       volume = {291},
       number = {8},
        pages = {2281-2328},
          doi = {10.1007/s11207-016-0964-4},
archivePrefix = {arXiv},
       eprint = {1606.06132},
 primaryClass = {astro-ph.SR},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2016SoPh..291.2281B},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
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@ARTICLE{2016arXiv160205783P,
       author = {{Puschmann}, Klaus Gerhard},
        title = "The GREGOR Fabry Perot Interferometer (GFPI), Technical Innovations and Results achieved in 2013",
      journal = {arXiv e-prints},
         year = 2016,
          eid = {arXiv:1602.05783},
        pages = {arXiv:1602.05783},
archivePrefix = {arXiv},
       eprint = {1602.05783},
 primaryClass = {astro-ph.SR},
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      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
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@ARTICLE{2016arXiv160205185P,
       author = {{Puschmann}, Klaus Gerhard},
        title = "Spicules and their on-disk counterparts, the main driver for solar chromospheric heating?",
      journal = {arXiv e-prints},
         year = 2016,
          eid = {arXiv:1602.05185},
        pages = {arXiv:1602.05185},
archivePrefix = {arXiv},
       eprint = {1602.05185},
 primaryClass = {physics.gen-ph},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2016arXiv160205185P},
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@ARTICLE{2014AN....335..161L,
       author = {{Louis}, R.~E. and {Balthasar}, H. and {Kuckein}, C. and {G{\"o}m{\"o}ry}, P. and {Puschmann}, K.~G. and {Denker}, C.},
        title = "The association between sunspot magnetic fields and superpenumbral fibrils",
      journal = {Astronomische Nachrichten},
         year = 2014,
       volume = {335},
       number = {2},
        pages = {161},
          doi = {10.1002/asna.201312017},
archivePrefix = {arXiv},
       eprint = {1312.1879},
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@ARTICLE{2014A&A...562A.110L,
       author = {{Louis}, Rohan E. and {Puschmann}, Klaus G. and {Kliem}, Bernhard and {Balthasar}, Horst and {Denker}, Carsten},
        title = "Sunspot splitting triggering an eruptive flare",
      journal = {\aap},
         year = 2014,
       volume = {562},
          eid = {A110},
        pages = {A110},
          doi = {10.1051/0004-6361/201321106},
archivePrefix = {arXiv},
       eprint = {1311.5054},
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       adsurl = {https://ui.adsabs.harvard.edu/abs/2014A&A...562A.110L},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
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@MISC{2013A&A...559C...1B,
       author = {{Beck}, C. and {Fabbian}, D. and {Moreno-Insertis}, F. and {Puschmann}, K.~G. and {Rezaei}, R.},
        title = "Thermodynamic fluctuations in solar photospheric three-dimensional convection simulations and observations (Corrigendum)",
 howpublished = {Astronomy \& Astrophysics, Volume 559, id.C1, 1 pp.},
         year = 2013,
          eid = {C1},
        pages = {C1},
          doi = {10.1051/0004-6361/201321596e},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2013A&A...559C...1B},
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@ARTICLE{2013A&A...557A.109B,
       author = {{Beck}, C. and {Fabbian}, D. and {Moreno-Insertis}, F. and {Puschmann}, K.~G. and {Rezaei}, R.},
        title = "Thermodynamic fluctuations in solar photospheric three-dimensional convection simulations and observations",
      journal = {\aap},
         year = 2013,
       volume = {557},
          eid = {A109},
        pages = {A109},
          doi = {10.1051/0004-6361/201321596},
archivePrefix = {arXiv},
       eprint = {1306.6093},
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       adsurl = {https://ui.adsabs.harvard.edu/abs/2013A&A...557A.109B},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
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@ARTICLE{2013OptEn..52h1606P,
       author = {{Puschmann}, Klaus G. and {Denker}, Carsten and {Balthasar}, Horst and {Louis}, Rohan E. and {Popow}, Emil and {Woche}, Manfred and {Beck}, Christian and {Seelemann}, Thomas and {Volkmer}, Reiner},
        title = "GREGOR Fabry-P{\'e}rot interferometer and its companion the blue imaging solar spectrometer",
      journal = {Optical Engineering},
         year = 2013,
       volume = {52},
          eid = {081606},
        pages = {081606},
          doi = {10.1117/1.OE.52.8.081606},
archivePrefix = {arXiv},
       eprint = {1302.7157},
 primaryClass = {astro-ph.IM},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2013OptEn..52h1606P},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
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@ARTICLE{2013A&A...556A.127B,
       author = {{Beck}, C. and {Rezaei}, R. and {Puschmann}, K.~G.},
        title = "Can spicules be detected at disc centre in broad-band Ca ii H filter imaging data?",
      journal = {\aap},
         year = 2013,
       volume = {556},
          eid = {A127},
        pages = {A127},
          doi = {10.1051/0004-6361/201220848},
archivePrefix = {arXiv},
       eprint = {1306.5199},
 primaryClass = {astro-ph.SR},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2013A&A...556A.127B},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
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@ARTICLE{2013A&A...556A...7G,
       author = {{G{\"o}m{\"o}ry}, P. and {Balthasar}, H. and {Puschmann}, K.~G.},
        title = "Evidence of quiet-Sun chromospheric activity related to an emerging small-scale magnetic loop",
      journal = {\aap},
         year = 2013,
       volume = {556},
          eid = {A7},
        pages = {A7},
          doi = {10.1051/0004-6361/201321410},
archivePrefix = {arXiv},
       eprint = {1306.3393},
 primaryClass = {astro-ph.SR},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2013A&A...556A...7G},
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@ARTICLE{2013A&A...553A..73B,
       author = {{Beck}, C. and {Rezaei}, R. and {Puschmann}, K.~G.},
        title = "The energy of waves in the photosphere and lower chromosphere. IV. Inversion results of Ca II H spectra",
      journal = {\aap},
         year = 2013,
       volume = {553},
          eid = {A73},
        pages = {A73},
          doi = {10.1051/0004-6361/201220463},
archivePrefix = {arXiv},
       eprint = {1302.6936},
 primaryClass = {astro-ph.SR},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2013A&A...553A..73B},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
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@ARTICLE{2013A&A...552L...7L,
       author = {{Louis}, R.~E. and {Mathew}, S.~K. and {Puschmann}, K.~G. and {Beck}, C. and {Balthasar}, H.},
        title = "Formation of a penumbra in a decaying sunspot",
      journal = {\aap},
         year = 2013,
       volume = {552},
          eid = {L7},
        pages = {L7},
          doi = {10.1051/0004-6361/201321314},
archivePrefix = {arXiv},
       eprint = {1303.3599},
 primaryClass = {astro-ph.SR},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2013A&A...552L...7L},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
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@ARTICLE{2013CEAB...37..435B,
       author = {{Balthasar}, H. and {Beck}, C. and {G{\"o}m{\"o}ry}, P. and {Muglach}, K. and {Puschmann}, K.~G. and {Shimizu}, T. and {Verma}, M.},
        title = "Properties of a Decaying Sunspot",
      journal = {Central European Astrophysical Bulletin},
         year = 2013,
       volume = {37},
        pages = {435-446},
archivePrefix = {arXiv},
       eprint = {1301.1562},
 primaryClass = {astro-ph.SR},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2013CEAB...37..435B},
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@ARTICLE{2013A&A...549A..24B,
       author = {{Beck}, C. and {Rezaei}, R. and {Puschmann}, K.~G.},
        title = "The energy of waves in the photosphere and lower chromosphere. III. Inversion setup for Ca II H spectra in local thermal equilibrium",
      journal = {\aap},
         year = 2013,
       volume = {549},
          eid = {A24},
        pages = {A24},
          doi = {10.1051/0004-6361/201220048},
archivePrefix = {arXiv},
       eprint = {1209.6194},
 primaryClass = {astro-ph.SR},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2013A&A...549A..24B},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
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@ARTICLE{2012IAUSS...6E.203D,
       author = {{Denker}, C. and {Lagg}, A. and {Puschmann}, K.~G. and {Schmidt}, D. and {Schmidt}, W. and {Sobotka}, M. and {Soltau}, D. and {Strassmeier}, K.~G. and {Volkmer}, R. and {von der L{\"{u}}he}, O. and {Solanki}, S.~K. and {Balthasar}, H. and {Bello Gonzalez}, N. and {Berkefeld}, T. and {Collados Vera}, M. and {Hofmann}, A. and {Kneer}, F.},
        title = "The GREGOR Solar Telescope",
      journal = {IAU Special Session},
         year = 2012,
       volume = {6},
          eid = {E2.03},
        pages = {E2.03},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2012IAUSS...6E.203D},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
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@INPROCEEDINGS{2012ASPC..463..423P,
       author = {{Puschmann}, K.~G. and {Balthasar}, H. and {Bauer}, S. -M. and {Hahn}, T. and {Popow}, E. and {Seelemann}, T. and {Volkmer}, R. and {Woche}, M. and {Denker}, C.},
        title = "The GREGOR Fabry-P{\'e}rot Interferometer: A New Instrument for High-Resolution Spectropolarimetric Solar Observations",
    booktitle = {Second ATST-EAST Meeting: Magnetic Fields from the Photosphere to the Corona.},
         year = 2012,
       editor = {{Rimmele}, T.~R. and {Tritschler}, A. and {W{\"o}ger}, F. and {Collados Vera}, M. and {Socas-Navarro}, H. and {Schlichenmaier}, R. and {Carlsson}, M. and {Berger}, T. and {Cadavid}, A. and {Gilbert}, P.~R. and {Goode}, P.~R. and {Kn{\"o}lker}, M.},
       series = {Astron.\ Soc.\ Pacific Conf.\ Ser.},
       volume = {463},
        pages = {423},
archivePrefix = {arXiv},
       eprint = {1111.5509},
 primaryClass = {astro-ph.IM},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2012ASPC..463..423P},
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@INPROCEEDINGS{2012ASPC..463..365S,
       author = {{Schmidt}, W. and {von der L{\"u}he}, O. and {Volkmer}, R. and {Denker}, C. and {Solanki}, S.~K. and {Balthasar}, H. and {Bello Gonz{\'a}lez}, N. and {Berkefeld}, T. and {Collados Vera}, M. and {Hofmann}, A. and {Kneer}, F. and {Lagg}, A. and {Puschmann}, K.~G. and {Schmidt}, D. and {Sobotka}, M. and {Soltau}, D. and {Strassmeier}, K.~G.},
        title = "The GREGOR Solar Telescope on Tenerife",
    booktitle = {Second ATST-EAST Meeting: Magnetic Fields from the Photosphere to the Corona.},
         year = 2012,
       editor = {{Rimmele}, T.~R. and {Tritschler}, A. and {W{\"o}ger}, F. and {Collados Vera}, M. and {Socas-Navarro}, H. and {Schlichenmaier}, R. and {Carlsson}, M. and {Berger}, T. and {Cadavid}, A. and {Gilbert}, P.~R. and {Goode}, P.~R. and {Kn{\"o}lker}, M.},
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@ARTICLE{2012AN....333..880P,
       author = {{Puschmann}, K.~G. and {Denker}, C. and {Kneer}, F. and {Al Erdogan}, N. and {Balthasar}, H. and {Bauer}, S.~M. and {Beck}, C. and {Bello Gonz{\'a}lez}, N. and {Collados}, M. and {Hahn}, T. and {Hirzberger}, J. and {Hofmann}, A. and {Louis}, R.~E. and {Nicklas}, H. and {Okunev}, O. and {Mart{\'\i}nez Pillet}, V. and {Popow}, E. and {Seelemann}, T. and {Volkmer}, R. and {Wittmann}, A.~D. and {Woche}, M.},
        title = "The GREGOR Fabry-P{\'e}rot Interferometer",
      journal = {Astronomische Nachrichten},
         year = 2012,
       volume = {333},
       number = {9},
        pages = {880},
          doi = {10.1002/asna.201211734},
archivePrefix = {arXiv},
       eprint = {1210.2921},
 primaryClass = {astro-ph.IM},
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@ARTICLE{2012AN....333..796S,
       author = {{Schmidt}, W. and {von der L{\"u}he}, O. and {Volkmer}, R. and {Denker}, C. and {Solanki}, S.~K. and {Balthasar}, H. and {Bello Gonzalez}, N. and {Berkefeld}, Th. and {Collados}, M. and {Fischer}, A. and {Halbgewachs}, C. and {Heidecke}, F. and {Hofmann}, A. and {Kneer}, F. and {Lagg}, A. and {Nicklas}, H. and {Popow}, E. and {Puschmann}, K.~G. and {Schmidt}, D. and {Sigwarth}, M. and {Sobotka}, M. and {Soltau}, D. and {Staude}, J. and {Strassmeier}, K.~G. and {Waldmann }, T.~A.},
        title = "The 1.5 meter solar telescope GREGOR",
      journal = {Astronomische Nachrichten},
         year = 2012,
       volume = {333},
       number = {9},
        pages = {796},
          doi = {10.1002/asna.201211725},
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@INPROCEEDINGS{2012SPIE.8446E..79P,
       author = {{Puschmann}, Klaus G. and {Balthasar}, Horst and {Beck}, Christian and {Louis}, Rohan E. and {Popow}, Emil and {Seelemann}, Thomas and {Volkmer}, Reiner and {Woche}, Manfred and {Denker}, Carsten},
        title = "The GREGOR Fabry-Perot interferometer: status report and prospects",
    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 = {10.1117/12.924834},
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       eprint = {1207.2084},
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@ARTICLE{2012A&A...544A..46B,
       author = {{Beck}, C. and {Rezaei}, R. and {Puschmann}, K.~G.},
        title = "The energy of waves in the photosphere and lower chromosphere. II. Intensity statistics",
      journal = {\aap},
         year = 2012,
       volume = {544},
          eid = {A46},
        pages = {A46},
          doi = {10.1051/0004-6361/201219242},
archivePrefix = {arXiv},
       eprint = {1206.1759},
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       adsurl = {https://ui.adsabs.harvard.edu/abs/2012A&A...544A..46B},
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@ARTICLE{2012ApJ...745..141R,
       author = {{Ruiz Cobo}, B. and {Puschmann}, K.~G.},
        title = "Twist, Writhe, and Helicity in the Inner Penumbra of a Sunspot",
      journal = {\apj},
         year = 2012,
       volume = {745},
       number = {2},
          eid = {141},
        pages = {141},
          doi = {10.1088/0004-637X/745/2/141},
archivePrefix = {arXiv},
       eprint = {1111.3881},
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@ARTICLE{2011A&A...533A..21P,
       author = {{Puschmann}, K.~G. and {Beck}, C.},
        title = "Application of speckle and (multi-object) multi-frame blind deconvolution techniques on imaging and imaging spectropolarimetric data",
      journal = {\aap},
         year = 2011,
       volume = {533},
          eid = {A21},
        pages = {A21},
          doi = {10.1051/0004-6361/201116904},
archivePrefix = {arXiv},
       eprint = {1107.0703},
 primaryClass = {astro-ph.SR},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2011A&A...533A..21P},
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@INPROCEEDINGS{2011ASPC..437..351B,
       author = {{Balthasar}, H. and {Bello Gonz{\'a}lez}, N. and {Collados}, M. and {Denker}, C. and {Feller}, A. and {Hofmann}, A. and {Lagg}, A. and {Nagaruju}, L. and {Puschmann}, K.~G. and {Soltau}, D. and {Volkmer}, R.},
        title = "Polarimetry with GREGOR",
    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 = {351},
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@ARTICLE{2010ApJ...721L..58P,
       author = {{Puschmann}, K.~G. and {Ruiz Cobo}, B. and {Mart{\'\i}nez Pillet}, V.},
        title = "The Electrical Current Density Vector in the Inner Penumbra of a Sunspot",
      journal = {\apjl},
         year = 2010,
       volume = {721},
       number = {1},
        pages = {L58-L61},
          doi = {10.1088/2041-8205/721/1/L58},
archivePrefix = {arXiv},
       eprint = {1008.2131},
 primaryClass = {astro-ph.SR},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2010ApJ...721L..58P},
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@ARTICLE{2010ApJ...720.1417P,
       author = {{Puschmann}, K.~G. and {Ruiz Cobo}, B. and {Mart{\'\i}nez Pillet}, V.},
        title = "A Geometrical Height Scale for Sunspot Penumbrae",
      journal = {\apj},
         year = 2010,
       volume = {720},
       number = {2},
        pages = {1417-1431},
          doi = {10.1088/0004-637X/720/2/1417},
archivePrefix = {arXiv},
       eprint = {1007.2779},
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      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
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@INPROCEEDINGS{2010ASSP...14..457P,
       author = {{Puschmann}, K.~G. and {Cobo}, B. Ruiz and {Pillet}, V. Mart{\'\i}nez},
        title = "Three Dimensional Structure of Penumbral Filaments from Hinode Observations",
    booktitle = {Highlights of Spanish Astrophysics V},
         year = 2010,
       series = {Astrophysics and Space Science Proceedings},
       volume = {14},
        pages = {457},
          doi = {10.1007/978-3-642-11250-8\_126},
archivePrefix = {arXiv},
       eprint = {0810.2432},
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@ARTICLE{2009A&A...504..575S,
       author = {{Sobotka}, M. and {Puschmann}, K.~G.},
        title = "Morphology and evolution of umbral dots and their substructures",
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         year = 2009,
       volume = {504},
       number = {2},
        pages = {575-581},
          doi = {10.1051/0004-6361/200912365},
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       eprint = {0907.4236},
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@ARTICLE{2009ApJ...701L..79M,
       author = {{Mart{\'\i}nez Pillet}, V. and {Katsukawa}, Y. and {Puschmann}, K.~G. and {Ruiz Cobo}, B.},
        title = "Supersonic Continuation of the Evershed Flow Outside a Sunspot as Observed with Hinode",
      journal = {\apjl},
         year = 2009,
       volume = {701},
       number = {2},
        pages = {L79-L82},
          doi = {10.1088/0004-637X/701/2/L79},
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       eprint = {0907.3835},
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@INPROCEEDINGS{2009IAUS..259..665B,
       author = {{Balthasar}, Horst and {Bello Gonz{\'a}lez}, N. and {Collados}, M. and {Denker}, C. and {Hofmann}, A. and {Kneer}, F. and {Puschmann}, K.~G.},
        title = "A full-Stokes polarimeter for the GREGOR Fabry-Perot interferometer",
    booktitle = {Cosmic Magnetic Fields: From Planets, to Stars and Galaxies},
         year = 2009,
       editor = {{Strassmeier}, Klaus G. and {Kosovichev}, Alexander G. and {Beckman}, John E.},
       volume = {259},
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          doi = {10.1017/S1743921309031500},
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@INPROCEEDINGS{2008ESPM...12..6.8D,
       author = {{Denker}, C. and {Balthasar}, H. and {Bello Gonz{\'a}lez}, N. and {Collados}, M. and {Kneer}, H.~F. Nicklas and {Puschmann}, K.~G.},
        title = "First-Light Science Cases for the GREGOR Fabry-Perot Interferometer",
    booktitle = {European Solar Physics Meeting},
         year = 2008,
       series = {European Solar Physics Meeting},
       volume = {12},
        pages = {6.8},
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@INPROCEEDINGS{2008ESPM...12..2.3S,
       author = {{Staiger}, J. and {Roth}, M. and {W{\"o}hl}, H. and {Schleicher}, H. and {Puschmann}, K.},
        title = "Local Helioseismology with GFPI at the Vacuum Tower Telescope, Tenerife",
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         year = 2008,
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       volume = {12},
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@ARTICLE{2008A&A...486..577S,
       author = {{S{\'a}nchez-Andrade Nu{\~n}o}, B. and {Bello Gonz{\'a}lez}, N. and {Blanco Rodr{\'\i}guez}, J. and {Kneer}, F. and {Puschmann}, K.~G.},
        title = "Fast events and waves in an active region of the Sun observed in H{\ensuremath{\alpha}} with high spatial resolution",
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       volume = {486},
       number = {2},
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          doi = {10.1051/0004-6361:20079231},
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@ARTICLE{2008CEAB...32..125S,
       author = {{Sobotka}, M. and {Puschmann}, K.~G. and {Hamedivafa}, H.},
        title = "Kinematics of Umbral Fine Structure",
      journal = {Central European Astrophysical Bulletin},
         year = 2008,
       volume = {32},
        pages = {125-132},
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@ARTICLE{2007A&A...474..251B,
       author = {{Blanco Rodr{\'\i}guez}, J. and {Okunev}, O.~V. and {Puschmann}, K.~G. and {Kneer}, F. and {S{\'a}nchez-Andrade Nu{\~n}o}, B.},
        title = "On the properties of faculae at the poles of the Sun",
      journal = {\aap},
         year = 2007,
       volume = {474},
       number = {1},
        pages = {251-259},
          doi = {10.1051/0004-6361:20077739},
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@ARTICLE{2007A&A...472L..51S,
       author = {{S{\'a}nchez-Andrade Nu{\~n}o}, B. and {Centeno}, R. and {Puschmann}, K.~G. and {Trujillo Bueno}, J. and {Blanco Rodr{\'\i}guez}, J. and {Kneer}, F.},
        title = "Spicule emission profiles observed in He i 10 830 {\r{A}}",
      journal = {\aap},
         year = 2007,
       volume = {472},
       number = {3},
        pages = {L51-L54},
          doi = {10.1051/0004-6361:20077936},
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       eprint = {0707.4421},
 primaryClass = {astro-ph},
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@PROCEEDINGS{2007msfa.conf.....K,
        title = "Modern Solar Facilities - Advanced Solar Science",
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         year = 2007,
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@INPROCEEDINGS{2007ASPC..368..605B,
       author = {{Balthasar}, H. and {von der L{\"u}he}, O. and {Kneer}, F. and {Staude}, J. and {Volkmer}, R. and {Berkefeld}, T. and {Caligari}, P. and {Collados}, M. and {Halbgewachs}, C. and {Heidecke}, F. and {Hofmann}, A. and {Klva{\v{n}}a}, M. and {Nicklas}, H. and {Popow}, E. and {Puschmann}, K. and {Schmidt}, W. and {Sobotka}, M. and {Soltau}, D. and {Strassmeier}, K. and {Wittmann}, A.},
        title = "GREGOR: the New German Solar Telescope",
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         year = 2007,
       editor = {{Heinzel}, P. and {Dorotovi{\v{c}}}, I. and {Rutten}, R.~J.},
       series = {Astron.\ Soc.\ Pacific Conf.\ Ser.},
       volume = {368},
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@INPROCEEDINGS{2007msfa.conf..273S,
       author = {{S{\'a}nchez-Andrade Nu{\~n}o}, B. and {Puschmann}, K.~G. and {Kneer}, F.},
        title = "Observations of a flaring active region in H[alpha]",
    booktitle = {Modern solar facilities - advanced solar science},
         year = 2007,
       editor = {{Kneer}, Franz and {Puschmann}, Klaus G. and {Wittmann}, Axel D.},
        pages = {273},
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@INPROCEEDINGS{2007msfa.conf..217B,
       author = {{Bello Gonz{\'a}lez}, N. and {Kneer}, F. and {Puschmann}, K.~G.},
        title = "Temporal evolution of intensity, velocity and magnetic field of sunspots at high spatial resolution",
    booktitle = {Modern solar facilities - advanced solar science},
         year = 2007,
       editor = {{Kneer}, Franz and {Puschmann}, Klaus G. and {Wittmann}, Axel D.},
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@INPROCEEDINGS{2007msfa.conf..205S,
       author = {{Sobotka}, M. and {Puschmann}, K.~G.},
        title = "Fine structure in a dark umbra",
    booktitle = {Modern solar facilities - advanced solar science},
         year = 2007,
       editor = {{Kneer}, Franz and {Puschmann}, Klaus G. and {Wittmann}, Axel D.},
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@INPROCEEDINGS{2007msfa.conf..181B,
       author = {{Blanco Rodr{\'\i}guez}, J. and {Okunev}, O. and {Puschmann}, K.~G. and {Kneer}, F.},
        title = "Study of polar faculae with north pole coverage of the Sun",
    booktitle = {Modern solar facilities - advanced solar science},
         year = 2007,
       editor = {{Kneer}, Franz and {Puschmann}, Klaus G. and {Wittmann}, Axel D.},
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@INPROCEEDINGS{2007msfa.conf..177S,
       author = {{S{\'a}nchez-Andrade Nu{\~n}o}, B. and {Centeno}, R. and {Puschmann}, K.~G. and {Trujillo Bueno}, J. and {Kneer}, F.},
        title = "Off-limb spectroscopy of the He I 10830 {\r{A}} multiplet: observations vs. modelling",
    booktitle = {Modern solar facilities - advanced solar science},
         year = 2007,
       editor = {{Kneer}, Franz and {Puschmann}, Klaus G. and {Wittmann}, Axel D.},
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@INPROCEEDINGS{2007msfa.conf..151P,
       author = {{Puschmann}, K.~G. and {Kneer}, F. and {Dom{\'\i}nguez Cerde{\~n}a}, I.},
        title = "Dynamics of the quiet photosphere and its magnetic field under high spatial resolution",
    booktitle = {Modern solar facilities - advanced solar science},
         year = 2007,
       editor = {{Kneer}, Franz and {Puschmann}, Klaus G. and {Wittmann}, Axel D.},
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@INPROCEEDINGS{2007msfa.conf...45P,
       author = {{Puschmann}, K.~G. and {Kneer}, F. and {Nicklas}, H. and {Wittmann}, A.~D.},
        title = "From the ``G{\"o}ttingen'' Fabry-Perot Interferometer to the GREGOR FPI",
    booktitle = {Modern solar facilities - advanced solar science},
         year = 2007,
       editor = {{Kneer}, Franz and {Puschmann}, Klaus G. and {Wittmann}, Axel D.},
        pages = {45},
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@INPROCEEDINGS{2007msfa.conf...39V,
       author = {{Volkmer}, R. and {von der L{\"u}he}, O. and {Kneer}, F. and {Staude}, J. and {Balthasar}, H. and {Berkefeld}, T. and {Caligari}, P. and {Collados}, M. and {Halbgewachs}, C. and {Heidecke}, F. and {Hofmann}, A. and {Klva{\~n}a}, M. and {Sobotka}, M. and {Nicklas}, H. and {Popow}, E. and {Puschmann}, K.~G. and {Schmidt}, W. and {Soltau}, D. and {Strassmeier}, K. and {Wittmann}, A.~D.},
        title = "New high resolution solar telescope GREGOR",
    booktitle = {Modern solar facilities - advanced solar science},
         year = 2007,
       editor = {{Kneer}, Franz and {Puschmann}, Klaus G. and {Wittmann}, Axel D.},
        pages = {39},
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@INPROCEEDINGS{2007msfa.conf....0K,
       author = {{Kneer}, Franz and {Puschmann}, Klaus G. and {Wittmann}, Axel D.},
        title = "Modern solar facilities - advanced solar science",
    booktitle = {Modern solar facilities - advanced solar science},
         year = 2007,
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        pages = {0},
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@ARTICLE{2006SoPh..237...13M,
       author = {{M{\"o}stl}, C. and {Hanslmeier}, A. and {Sobotka}, M. and {Puschmann}, K. and {Muthsam}, H.~J.},
        title = "Dynamics of Magnetic Bright Points in an Active Region",
      journal = {\solphys},
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       volume = {237},
       number = {1},
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          doi = {10.1007/s11207-006-0131-4},
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@ARTICLE{2006A&A...454.1011P,
       author = {{Puschmann}, K.~G. and {Sailer}, M.},
        title = "Speckle reconstruction of photometric data observed with adaptive optics",
      journal = {\aap},
         year = 2006,
       volume = {454},
       number = {3},
        pages = {1011-1019},
          doi = {10.1051/0004-6361:20053918},
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@ARTICLE{2006A&A...451.1151P,
       author = {{Puschmann}, K.~G. and {Kneer}, F. and {Seelemann}, T. and {Wittmann}, A.~D.},
        title = "The new G{\"o}ttingen Fabry-P{\'e}rot spectrometer for two-dimensional observations of the Sun",
      journal = {\aap},
         year = 2006,
       volume = {451},
       number = {3},
        pages = {1151-1158},
          doi = {10.1051/0004-6361:20054487},
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@ARTICLE{2006A&A...445..337P,
       author = {{Puschmann}, K.~G. and {Wiehr}, E.},
        title = "The flux-gap between bright and dark solar magnetic structures",
      journal = {\aap},
         year = 2006,
       volume = {445},
       number = {1},
        pages = {337-340},
          doi = {10.1051/0004-6361:20054049},
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@INPROCEEDINGS{2005ESASP.600E..70S,
       author = {{S{\'a}nchez-Andrade Nu{\~n}o}, B. and {Puschmann}, K.~G. and {S{\'a}nchez Cuberes}, M. and {Blanco Rodr{\'\i}guez}, J. and {Kneer}, F.},
        title = "Chromospheric Dynamics of a Solar Active Region",
    booktitle = {The Dynamic Sun: Challenges for Theory and Observations},
         year = 2005,
       editor = {{Danesy}, D. and {Poedts}, S. and {de Groof}, A. and {Andries}, J.},
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@INPROCEEDINGS{2005ESASP.600E..59B,
       author = {{Blanco Rodr{\'\i}guez}, J. and {S{\'a}nchez-Andrade Nu{\~n}o}, B. and {Puschmann}, K.~G. and {Kneer}, F.},
        title = "Study of Polar Faculae",
    booktitle = {The Dynamic Sun: Challenges for Theory and Observations},
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@INPROCEEDINGS{2005ESASP.596E..71K,
       author = {{Kneer}, F. and {Puschmann}, K.~G. and {Blanco Rodr{\'\i}guez}, J. and {S{\'a}nchez-Andrade Nu{\~n}o}, B. and {Wittmann}, A.~D.},
        title = "Magnetic Structures on the Sun: Osbervations with the New ``G{\"O}TTINGEN'' Two-Dimensional Spectrometer on Tenerife",
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         year = 2005,
       editor = {{Innes}, D.~E. and {Lagg}, A. and {Solanki}, S.~A.},
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@INPROCEEDINGS{2005ESASP.596E..67V,
       author = {{Valdivielso Casas}, L. and {Bello Gonz{\'a}lez}, N. and {Puschmann}, K.~G. and {S{\'a}nchez-Andrade Nu{\~n}o}, B. and {Kneer}, F.},
        title = "Analysis of Polarimetric Sunspot Data from Tesos/vtt/tenerife",
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       editor = {{Innes}, D.~E. and {Lagg}, A. and {Solanki}, S.~A.},
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@INPROCEEDINGS{2005ESASP.596E..62S,
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        title = "Analysis of a Wide Chromospheric Active Region",
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@INPROCEEDINGS{2005ESASP.596E..52B,
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        title = "Study of Polar Faculae",
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@INPROCEEDINGS{2005ESASP.596E..20W,
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        title = "The Size of Small-Scale Solar Magnetic Regions",
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         year = 2005,
       editor = {{Innes}, D.~E. and {Lagg}, A. and {Solanki}, S.~A.},
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@ARTICLE{2005A&A...442.1079H,
       author = {{Hirzberger}, J. and {Stangl}, S. and {Gersin}, K. and {Jur{\v{c}}{\'a}k}, J. and {Puschmann}, K.~G. and {Sobotka}, M.},
        title = "The structure of a penumbral connection between solar pores",
      journal = {\aap},
         year = 2005,
       volume = {442},
       number = {3},
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          doi = {10.1051/0004-6361:20053257},
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@ARTICLE{2005A&A...441.1157P,
       author = {{Puschmann}, K.~G. and {Ruiz Cobo}, B. and {V{\'a}zquez}, M. and {Bonet}, J.~A. and {Hanslmeier}, A.},
        title = "Time series of high resolution photospheric spectra in a quiet region of the Sun.  II. Analysis of the variation of physical quantities of granular structures",
      journal = {\aap},
         year = 2005,
       volume = {441},
       number = {3},
        pages = {1157-1169},
          doi = {10.1051/0004-6361:20047193},
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       eprint = {1205.1725},
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@ARTICLE{2005A&A...440..345S,
       author = {{S{\'a}nchez Cuberes}, M. and {Puschmann}, K.~G. and {Wiehr}, E.},
        title = "Spectropolarimetry of a sunspot at disk centre",
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         year = 2005,
       volume = {440},
       number = {1},
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          doi = {10.1051/0004-6361:20042042},
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@ARTICLE{2005A&A...436..373P,
       author = {{Puschmann}, K.~G. and {Kneer}, F.},
        title = "On super-resolution in astronomical imaging",
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         year = 2005,
       volume = {436},
       number = {1},
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@ARTICLE{2005AN....326..205O,
       author = {{Okunev}, O.~V. and {Dom{\'\i}nguez Cerde{\~n}a}, I. and {Puschmann}, K.~G. and {Kneer}, F. and {S{\'a}nchez Almeida}, J.},
        title = "Quiet sun magnetic fields vs. polar faculae - local vs. global dynamo?",
      journal = {Astronomische Nachrichten},
         year = 2005,
       volume = {326},
       number = {3},
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          doi = {10.1002/asna.200410377},
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@ARTICLE{2005A&A...434..317B,
       author = {{Bello Gonz{\'a}lez}, N. and {Okunev}, O.~V. and {Dom{\'\i}nguez Cerde{\~n}a}, I. and {Kneer}, F. and {Puschmann}, K.~G.},
        title = "Polarimetry of sunspot penumbrae with high spatial resolution",
      journal = {\aap},
         year = 2005,
       volume = {434},
       number = {1},
        pages = {317-327},
          doi = {10.1051/0004-6361:20042001},
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@INPROCEEDINGS{2004IAUS..223..237S,
       author = {{S{\'a}nchez Cuberes}, M. and {Puschmann}, K.~G. and {Wiehr}, E.},
        title = "Polarimetry of a sunspot at disk centre",
    booktitle = {Multi-Wavelength Investigations of Solar Activity},
         year = 2004,
       editor = {{Stepanov}, Alexander V. and {Benevolenskaya}, Elena E. and {Kosovichev}, Alexander G.},
       volume = {223},
        pages = {237-238},
          doi = {10.1017/S174392130400571X},
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@ARTICLE{2003A&A...408..363P,
       author = {{Puschmann}, K. and {V{\'a}zquez}, M. and {Bonet}, J.~A. and {Ruiz Cobo}, B. and {Hanslmeier}, A.},
        title = "Time series of high resolution photospheric spectra in a quiet region of the sun. I. Analysis of global and spatial variations of line parameters",
      journal = {\aap},
         year = 2003,
       volume = {408},
        pages = {363-378},
          doi = {10.1051/0004-6361:20030979},
archivePrefix = {arXiv},
       eprint = {1205.1723},
 primaryClass = {astro-ph.SR},
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@ARTICLE{2003ANS...324...21P,
       author = {{Puschmann}, K. and {Ruiz Cobo}, B.},
        title = "Models of a Small and a Large Mean Granular Cell Obtained from Inversion of Spectrometric Data Observed with Adaptive Optics",
      journal = {Astronomische Nachrichten Supplement},
         year = 2003,
       volume = {324},
       number = {3},
        pages = {21},
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@ARTICLE{2003AN....324..352P,
       author = {{Puschmann}, K. and {Ruiz Cobo}, B. and {V{\'a}zquez}, M. and {Bonet}, J.~A. and {Hanslmeier}, A.},
        title = "Models of a mean granular cell",
      journal = {Astronomische Nachrichten},
         year = 2003,
       volume = {324},
       number = {4},
        pages = {352-353},
          doi = {10.1002/asna.200310123},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2003AN....324..352P},
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@ARTICLE{2003AN....324..302K,
       author = {{Kneer}, F. and {Al}, N. and {Hirzberger}, J. and {Nicklas}, H. and {Puschmann}, K.~G.},
        title = "A Fabry-Perot spectrometer for high-resolution observation of the Sun",
      journal = {Astronomische Nachrichten},
         year = 2003,
       volume = {324},
       number = {4},
        pages = {302},
          doi = {10.1002/asna.200310102},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2003AN....324..302K},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
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@ARTICLE{2000A&AS..146..267G,
       author = {{Gadun}, A.~S. and {Hanslmeier}, A. and {Pikalov}, K.~N. and {Ploner}, S.~R.~O. and {Puschmann}, K.~G. and {Solanki}, S.~K.},
        title = "Size-dependent properties of simulated 2-D solar granulation",
      journal = {\aaps},
         year = 2000,
       volume = {146},
        pages = {267-291},
          doi = {10.1051/aas:2000271},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2000A&AS..146..267G},
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@INPROCEEDINGS{1999ASSL..239..227P,
       author = {{Puschmann}, K. and {Hanslmeier}, A. and {Solanki}, S.~K.},
        title = "Solar Line Bisectors in the Infrared",
    booktitle = {Motions in the Solar Atmosphere},
         year = 1999,
       editor = {{Hanslmeier}, Arnold and {Messerotti}, Mauro},
       series = {Astrophysics and Space Science Library},
       volume = {239},
        pages = {227-230},
          doi = {10.1007/978-94-015-9331-1\_15},
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@ARTICLE{1995IAUS..176P.117P,
       author = {{Puschmann}, K. and {Hanslmeier}, A. and {Solanki}, S.~K.},
        title = "Solar line bisectors in the infrared",
      journal = {IAU Symposium},
         year = 1995,
       volume = {176},
        pages = {117},
       adsurl = {https://ui.adsabs.harvard.edu/abs/1995IAUS..176P.117P},
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@INPROCEEDINGS{1994AGAb...10..117P,
       author = {{Puschmann}, K. and {Anslmeier}, A. and {Solanki}, S.},
        title = "Solar line bisectors in the infrared.",
    booktitle = {Astronomische Gesellschaft Abstract Series},
         year = 1994,
       series = {Astronomische Gesellschaft Abstract Series},
       volume = {10},
        pages = {117},
       adsurl = {https://ui.adsabs.harvard.edu/abs/1994AGAb...10..117P},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
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