@ARTICLE{2021MPEC....J...16D,
       author = {{Denneau}, L. and {Tonry}, J. and {Heinze}, A. and {Weiland}, H. and {Fitzsimmons}, A. and {Robinson}, J. and {Erasmus}, N. and {Pruyne}, T.~A. and {Christensen}, E.~J. and {Farneth}, G.~A. and {Fuls}, D.~C. and {Gibbs}, A.~R. and {Grauer}, A.~D. and {Groeller}, H. and {Kowalski}, R.~A. and {Larson}, S.~M. and {Leonard}, G.~J. and {Rankin}, D. and {Seaman}, R.~L. and {Shelly}, F.~C. and {Wierzchos}, K.~W. and {Dupouy}, P. and {Hidas}, A. and {Holmes}, R. and {Foglia}, S. and {Buzzi}, L. and {Linder}, T. and {Hug}, G. and {Romanov}, F.~D. and {Losse}, F. and {D'Anna}, W. and {Birtwhistle}, P. and {Okumura}, S. and {Hagino}, M. and {Flynn}, R.~L. and {Jacques}, C. and {Pimentel}, E. and {Barros}, J. and {Wells}, G. and {Leuty}, J.},
        title = "2021 HC3",
      journal = {Minor Planet Electronic Circulars},
         year = 2021,
       volume = {2021-J16},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2021MPEC....J...16D},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}

@INPROCEEDINGS{2020SPIE11447E..A5O,
       author = {{Otsuji}, Kenichi and {Kimura}, Gouichi and {Nakatani}, Yoshi-kazu and {Kaneda}, Naoki and {Ishii}, Takako T. and {Hagino}, Masaoki and {Ichimoto}, Kiyoshi},
        title = "Development of new tunable filter for solar observation in Hida observatory",
    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 = {11447A5},
        pages = {11447A5},
          doi = {10.1117/12.2561199},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2020SPIE11447E..A5O},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}

@ARTICLE{2018PASJ...70...58S,
       author = {{Sakurai}, Takashi and {Hanaoka}, Yoichiro and {Arai}, Takehiko and {Hagino}, Masaoki and {Kawate}, Tomoko and {Kitagawa}, Naomasa and {Kobiki}, Toshihiko and {Miyashita}, Masakuni and {Morita}, Satoshi and {Otsuji}, Ken'ichi and {Shinoda}, Kazuya and {Suzuki}, Isao and {Yaji}, Kentaro and {Yamasaki}, Takayuki and {Fukuda}, Takeo and {Noguchi}, Motokazu and {Takeyama}, Norihide and {Kanai}, Yoshikazu and {Yamamuro}, Tomoyasu},
        title = "Infrared spectro-polarimeter on the Solar Flare Telescope at NAOJ/Mitaka",
      journal = {\pasj},
         year = 2018,
       volume = {70},
       number = {4},
          eid = {58},
        pages = {58},
          doi = {10.1093/pasj/psy050},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2018PASJ...70...58S},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}

@INPROCEEDINGS{2018SPIE10701E..29Z,
       author = {{Zhao}, M.~Y. and {Liu}, Y. and {Song}, T.~F. and {Zhang}, X.~F. and {Hagino}, M. and {Sakurai}, T.},
        title = "Image enhancement for the observation of the solar corona",
    booktitle = {Optical and Infrared Interferometry and Imaging VI},
         year = 2018,
       editor = {{Creech-Eakman}, Michelle J. and {Tuthill}, Peter G. and {M{\'e}rand}, Antoine},
       series = {Society of Photo-Optical Instrumentation Engineers (SPIE) Conference Series},
       volume = {10701},
          eid = {1070129},
        pages = {1070129},
          doi = {10.1117/12.2312347},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2018SPIE10701E..29Z},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}

@INPROCEEDINGS{2016ASPC..504..103H,
       author = {{Hagino}, M. and {Ichimoto}, K. and {Ueno}, S. and {Kimura}, G. and {Otsuji}, K. and {Kitai}, R. and {Zhong}, L. and {Xu}, Z. and {Shinoda}, K. and {Hara}, H. and {Suematsu}, Y. and {Shimizu}, T.},
        title = "Development of the Universal Tunable Filter and High-resolution Imaging Observation with the Fuxian Solar Observatory",
    booktitle = {Coimbra Solar Physics Meeting: Ground-based Solar Observations in the Space Instrumentation Era},
         year = 2016,
       editor = {{Dorotovic}, I. and {Fischer}, C.~E. and {Temmer}, M.},
       series = {Astron.\ Soc.\ Pacific Conf.\ Ser.},
       volume = {504},
        pages = {103},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2016ASPC..504..103H},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}

@INPROCEEDINGS{2014SPIE.9151E..5VH,
       author = {{Hagino}, M. and {Ichimoto}, K. and {Kimura}, G. and {Nakatani}, Y. and {Kawate}, T. and {Shinoda}, K. and {Suematsu}, Y. and {Hara}, H. and {Shimizu}, T.},
        title = "Development of a universal tunable filter for future solar observations",
    booktitle = {Advances in Optical and Mechanical Technologies for Telescopes and Instrumentation},
         year = 2014,
       editor = {{Navarro}, Ram{\'o}n and {Cunningham}, Colin R. and {Barto}, Allison A.},
       series = {Society of Photo-Optical Instrumentation Engineers (SPIE) Conference Series},
       volume = {9151},
          eid = {91515V},
        pages = {91515V},
          doi = {10.1117/12.2055728},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2014SPIE.9151E..5VH},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}

@ARTICLE{2012PASJ...64...54X,
       author = {{Xu}, Haiqing and {Gao}, Yu and {Zhang}, Hongqi and {Sakurai}, Takashi and {Hagino}, Masaoki and {Sokoloff}, Dmitry and {Pevtsov}, Alexei A.},
        title = "Magnetic Helicity of Solar Active Regions as Revealed by Vector Magnetograms and Coronal X-Ray Images",
      journal = {\pasj},
         year = 2012,
       volume = {64},
          eid = {54},
        pages = {54},
          doi = {10.1093/pasj/64.3.54},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2012PASJ...64...54X},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}

@INPROCEEDINGS{2011ASPC..437..371H,
       author = {{Hanaoka}, Y. and {Sakurai}, T. and {Shinoda}, K. and {Noguchi}, M. and {Miyashita}, M. and {Fukuda}, T. and {Suzuki}, I. and {Hagino}, M. and {Arai}, T. and {Yamasaki}, T. and {Takeyama}, N.},
        title = "Infrared Stokes Spectro-Polarimeter at the National Astronomical Observatory of Japan",
    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 = {371},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2011ASPC..437..371H},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}

@INPROCEEDINGS{2011ASPC..437..365A,
       author = {{Anan}, T. and {Ichimoto}, K. and {Ueno}, S. and {Kimura}, G. and {Nakatani}, Y. and {Kaneda}, N. and {Hagino}, M. and {Suzuki}, I.},
        title = "Developments of the Multi-wavelength Polarimeter of the Domeless Solar Telescope at the Hida Observatory",
    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 = {365},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2011ASPC..437..365A},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}

@INPROCEEDINGS{2011ASPC..437..359H,
       author = {{Hagino}, M. and {Hanaoka}, Y. and {Sakurai}, T. and {Ichimoto}, K.},
        title = "Quantitative Comparison between the Polarization Data Taken with the Solar Flare Telescope and with the Hinode SOT Spectro-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 = {359},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2011ASPC..437..359H},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}

@ARTICLE{2010PASJ...62..879H,
       author = {{Hashimoto}, Yuki and {Kitai}, Reizaburo and {Ichimoto}, Kiyoshi and {Ueno}, Satoru and {Nagata}, Shin'ichi and {Ishii}, Takako T. and {Hagino}, Masaoki and {Komori}, Hiroyuki and {Nishida}, Keisuke and {Matsumoto}, Takuma and {Otsuji}, Kenichi and {Nakamura}, Tahei and {Kawate}, Tomoko and {Watanabe}, Hiroko and {Shibata}, Kazunari},
        title = "Internal Fine Structure of Ellerman Bombs",
      journal = {\pasj},
         year = 2010,
       volume = {62},
        pages = {879},
          doi = {10.1093/pasj/62.4.879},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2010PASJ...62..879H},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}

@ARTICLE{2010PASJ...62..871A,
       author = {{Anan}, Tetsu and {Kitai}, Reizaburo and {Kawate}, Tomoko and {Matsumoto}, Takuma and {Ichimoto}, Kiyoshi and {Shibata}, Kazunari and {Hillier}, Andrew and {Otsuji}, Kenichi and {Watanabe}, Hiroko and {Ueno}, Satoru and {Nagata}, Shin'ichi and {Ishii}, Takako T. and {Komori}, Hiroyuki and {Nishida}, Keisuke and {Nakamura}, Tahei and {Isobe}, Hiroaki and {Hagino}, Masaoki},
        title = "Spicule Dynamics over a Plage Region",
      journal = {\pasj},
         year = 2010,
       volume = {62},
        pages = {871},
          doi = {10.1093/pasj/62.4.871},
archivePrefix = {arXiv},
       eprint = {1002.2288},
 primaryClass = {astro-ph.SR},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2010PASJ...62..871A},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}

@ARTICLE{2009ApJ...697L.103S,
       author = {{Su}, J.~T. and {Sakurai}, T. and {Suematsu}, Y. and {Hagino}, M. and {Liu}, Yu},
        title = "Local Twist and Current Helicity Distributions of Active Region NOAA 10930",
      journal = {\apjl},
         year = 2009,
       volume = {697},
       number = {2},
        pages = {L103-L107},
          doi = {10.1088/0004-637X/697/2/L103},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2009ApJ...697L.103S},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}

@INPROCEEDINGS{2009ASPC..405..393H,
       author = {{Hagino}, M. and {Nakatani}, Y. and {Ishii}, T.~T. and {Hanaoka}, Y. and {Sakurai}, T. and {Hiei}, E. and {Suzuki}, D.},
        title = "Comparison of the Vector Magnetograms taken with the SFT/MTK and the SST/KSW",
    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.},
       volume = {405},
        pages = {393},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2009ASPC..405..393H},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}

@ARTICLE{2008ApJ...684..736W,
       author = {{Watanabe}, H. and {Kitai}, R. and {Okamoto}, K. and {Nishida}, K. and {Kiyohara}, J. and {Ueno}, S. and {Hagino}, M. and {Ishii}, T.~T. and {Shibata}, K.},
        title = "Spectropolarimetric Observation of an Emerging Flux Region: Triggering Mechanisms of Ellerman Bombs",
      journal = {\apj},
         year = 2008,
       volume = {684},
       number = {1},
        pages = {736-746},
          doi = {10.1086/590234},
archivePrefix = {arXiv},
       eprint = {0805.4266},
 primaryClass = {astro-ph},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2008ApJ...684..736W},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}

@ARTICLE{2008ApJ...677..719P,
       author = {{Pevtsov}, A.~A. and {Canfield}, Richard C. and {Sakurai}, T. and {Hagino}, M.},
        title = "On the Solar Cycle Variation of the Hemispheric Helicity Rule",
      journal = {\apj},
         year = 2008,
       volume = {677},
       number = {1},
        pages = {719-722},
          doi = {10.1086/533435},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2008ApJ...677..719P},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}

@ARTICLE{2008SoPh..247..321S,
       author = {{Schmieder}, B. and {Bommier}, V. and {Kitai}, R. and {Matsumoto}, T. and {Ishii}, T.~T. and {Hagino}, M. and {Li}, H. and {Golub}, L.},
        title = "Magnetic Causes of the Eruption of a Quiescent Filament",
      journal = {\solphys},
         year = 2008,
       volume = {247},
       number = {2},
        pages = {321-333},
          doi = {10.1007/s11207-007-9100-9},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2008SoPh..247..321S},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}

@INPROCEEDINGS{2007ASPC..369..163H,
       author = {{Hagino}, M. and {Moon}, Y. -J. and {Sakurai}, T.},
        title = "Skew Angle and Magnetic Helicity in Solar Active Regions",
    booktitle = {New Solar Physics with Solar-B Mission},
         year = 2007,
       editor = {{Shibata}, K. and {Nagata}, S. and {Sakurai}, T.},
       series = {Astron.\ Soc.\ Pacific Conf.\ Ser.},
       volume = {369},
        pages = {163},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2007ASPC..369..163H},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}

@INPROCEEDINGS{2006IAUJD...3E..60H,
       author = {{Hagino}, M. and {Kitai}, R. and {Shibata}, K.},
        title = "SMART Observation of Magnetic Helicity in Solar Filaments",
    booktitle = {IAU Joint Discussion},
         year = 2006,
       series = {IAU Joint Discussion},
       volume = {26},
          eid = {60},
        pages = {60},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2006IAUJD...3E..60H},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}

@ARTICLE{2005PASJ...57..481H,
       author = {{Hagino}, Masaoki and {Sakurai}, Takashi},
        title = "Solar-Cycle Variation of Magnetic Helicity in Active Regions",
      journal = {\pasj},
         year = 2005,
       volume = {57},
        pages = {481-485},
          doi = {10.1093/pasj/57.3.481},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2005PASJ...57..481H},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}

@ARTICLE{2005SoPh..226..201S,
       author = {{Singh}, Jagdev and {Sakurai}, Takashi and {Ichimoto}, Kiyoshi and {Suzuki}, Isao and {Hagino}, Masaoki},
        title = "Spectroscopic Studies of Solar Corona VII. Formation of a Coronal Loop by Evaporation",
      journal = {\solphys},
         year = 2005,
       volume = {226},
       number = {2},
        pages = {201-221},
          doi = {10.1007/s11207-005-7415-y},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2005SoPh..226..201S},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}

@ARTICLE{2005HiA....13..140P,
       author = {{Pevtsov}, A.~A. and {Hagyard}, M.~J. and {Blehm}, Z. and {Smith}, J.~E. and {Canfield}, R.~C. and {Sakurai}, T. and {Hagino}, M.},
        title = "On a Cyclic Variation of the Hemispheric Helicity Rule",
      journal = {Highlights of Astronomy},
         year = 2005,
       volume = {13},
        pages = {140},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2005HiA....13..140P},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}

@ARTICLE{2005ARAOJ...7...49H,
       author = {{Hagino}, Masaoki and {Sakurai}, Takashi},
        title = "Hemispheric sign rule of magnetic helicity on the Sun",
      journal = {Annual Report of the National Astronomical Observatory of Japan},
         year = 2005,
       volume = {7},
        pages = {49},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2005ARAOJ...7...49H},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}

@INPROCEEDINGS{2004ASPC..325..157H,
       author = {{Hagino}, M. and {Sakurai}, T. and {Miyazawa}, A.},
        title = "Phase Relationship between the Activity Cycles of Sunspots and Polar Faculae",
    booktitle = {The Solar-B Mission and the Forefront of Solar Physics},
         year = 2004,
       editor = {{Sakurai}, T. and {Sekii}, T.},
       series = {Astron.\ Soc.\ Pacific Conf.\ Ser.},
       volume = {325},
        pages = {157},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2004ASPC..325..157H},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}

@ARTICLE{2004PASJ...56..831H,
       author = {{Hagino}, Masaoki and {Sakurai}, Takashi},
        title = "Latitude Variation of Helicity in Solar Active Regions",
      journal = {\pasj},
         year = 2004,
       volume = {56},
        pages = {831-843},
          doi = {10.1093/pasj/56.5.831},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2004PASJ...56..831H},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}

@ARTICLE{2004ApJ...608L..69S,
       author = {{Singh}, Jagdev and {Sakurai}, Takashi and {Ichimoto}, Kiyoshi and {Hagino}, Masaoki and {Yamamoto}, Tetsuya T.},
        title = "Existence of Nanoparticle Dust Grains in the Inner Solar Corona?",
      journal = {\apjl},
         year = 2004,
       volume = {608},
       number = {1},
        pages = {L69-L72},
          doi = {10.1086/422138},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2004ApJ...608L..69S},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}

@INPROCEEDINGS{2004cosp...35.1955H,
       author = {{Hagino}, M. and {Yamamoto}, T. and {Sakurai}, T.},
        title = "Loading of magnetic helicity and flare activity",
    booktitle = {35th COSPAR Scientific Assembly},
         year = 2004,
       volume = {35},
        pages = {1955},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2004cosp...35.1955H},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}

@ARTICLE{2003RNAOJ...6..101Y,
       author = {{Yamaguchi}, Kisuke and {Sakurai}, Takashi and {Irie}, Makoto and {Kumagai}, Kazuyoshi and {Hagino}, Masaoki and {Miyashita}, Masakuni and {Shiomi}, Yasuhiko and {Hiei}, Eijiro},
        title = "The flare of 1991 June 4 (importance 3B) and the associated Moreton wave",
      journal = {Report of the National Astronomical Observatory of Japan},
         year = 2003,
       volume = {6},
       number = {3},
        pages = {101-115},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2003RNAOJ...6..101Y},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}

@ARTICLE{2003JKAS...36S...7S,
       author = {{Sakurai}, T. and {Hagino}, M.},
        title = "Magnetic Helicity of Solar Active Regions and its Implications",
      journal = {Journal of Korean Astronomical Society},
         year = 2003,
       volume = {36},
        pages = {7-12},
          doi = {10.5303/JKAS.2003.36.spc1.007},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2003JKAS...36S...7S},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}

@INPROCEEDINGS{2003IAUJD...3E..35P,
       author = {{Pevtsov}, Alexei A. and {Hagyard}, Mona J. and {Blehm}, Zachary and {Smith}, James E. and {Canfield}, Richard C. and {Sakurai}, Takashi and {Hagino}, Masaoki},
        title = "On a Cyclic Variation of the Hemispheric Helicity Rule.",
    booktitle = {IAU Joint Discussion},
         year = 2003,
       series = {IAU Joint Discussion},
       volume = {25},
          eid = {35},
        pages = {35},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2003IAUJD...3E..35P},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}

@ARTICLE{2003AdSpR..32.1943S,
       author = {{Sakurai}, T. and {Hagino}, M.},
        title = "Magnetic helicity and flare activity",
      journal = {Advances in Space Research},
         year = 2003,
       volume = {32},
       number = {10},
        pages = {1943-1948},
          doi = {10.1016/S0273-1177(03)90630-2},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2003AdSpR..32.1943S},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}

@INPROCEEDINGS{2002mwoc.conf..147H,
       author = {{Hagino}, M. and {Sakurai}, T.},
        title = "Hemispheric Helicity Asymmetry in Active Regions for Solar Cycle 21-23",
    booktitle = {Multi-Wavelength Observations of Coronal Structure and Dynamics},
         year = 2002,
       editor = {{Martens}, P.~C.~H. and {Cauffman}, D.},
       volume = {10},
        pages = {147},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2002mwoc.conf..147H},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}

@INPROCEEDINGS{2002cosp...34E2093S,
       author = {{Sakurai}, T. and {Hagino}, M.},
        title = "Magnetic helicity and flare activity",
    booktitle = {34th COSPAR Scientific Assembly},
         year = 2002,
       volume = {34},
          eid = {2093},
        pages = {2093},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2002cosp...34E2093S},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}

@ARTICLE{2002SoPh..205..201S,
       author = {{Sakurai}, T. and {Noguchi}, M. and {Shinoda}, K. and {Tanaka}, N. and {Aoki}, K. and {Hagino}, M. and {Mochizuki}, H.},
        title = "A Flexible Prism used as an Image Stabilizer",
      journal = {\solphys},
         year = 2002,
       volume = {205},
       number = {1},
        pages = {201-208},
          doi = {10.1023/A:1013833303419},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2002SoPh..205..201S},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}


