PUBLICATIONS

PAPERS (refereed)

  1. "Tomography of a Solar Plage with the Tenerife Inversion Code", Hao Li, Tanausú del Pino Alemán, Javier Trujillo Bueno, Ryohko Ishikawa, Ernest Alsina Ballester, David E. McKenzie, Frédéric Auchère, Ken Kobayashi, Takenori J. Okamoto, Laurel A. Rachmeler, and Donguk Song, The Astrophysical Journal, Vol.945, Issue 2, id.144, 2023
  2. "Evidence for the Operation of the Hanle and Magneto-optical Effects in the Scattering Polarization Signals Observed by CLASP2 across the Mg II h and k Lines", Ryohko Ishikawa, Javier Trujillo Bueno, Ernest Alsina Ballester, Luca Belluzzi, Tanausú del Pino Alemán, David E. McKenzie, Frédéric Auchère, Ken Kobayashi, Takenori J. Okamoto, Laurel A. Rachmeler, and Donguk Song, The Astrophysical Journal, Vol.945, Issue 2, id.125, 2023
  3. "Polarization Accuracy Verification of the Chromospheric LAyer SpectroPolarimeter", Donguk Song, Ryohko Ishikawa, Ryouhei Kano, David E. McKenzie, Javier Trujillo Bueno, Frédéric Auchère, Laurel A. Rachmeler, Takenori J. Okamoto, Masaki Yoshida, Ken Kobayashi, Christian Bethge, Hirohisa Hara, Kazuya Shinoda, Toshifumi Shimizu, Yoshinori Suematsu, Bart De Pontieu, Amy Winebarger, Noriyuki Narukage, Masahito Kubo, Taro Sakao, Andrés Asensio Ramos, Luca Belluzzi, Jiří Štěpán, Mats Carlsson, Tanausú del Pino Alemán, Ernest Alsina Ballester, Genevieve D. Vigil, Jorrit Leenaarts, Solar Physics, Vol.297, Issue 10, id.135, 2022
  4. "Quiet Sun Center to Limb Variation of the Linear Polarization Observed by CLASP2 Across the Mg II h and k Lines", Rachmeler, L. A., Trujillo Bueno, J., McKenzie, D. E., Ishikawa, R., Auchère, F., Kobayashi, K., Kano, R., Okamoto, T. J., Bethge, C. W., Song, D., Alsina Ballester, E., Belluzzi, L., del Pino Alemán, T., Asensio Ramos, A., Yoshida, M., Shimizu, T., Winebarger, A., Kobelski, A. R., Vigil, G. D., De Pontieu, B., Narukage, N., Kubo, M., Sakao, T., Hara, H., Suematsu, Y., Štěpán, J., Carlsson, M., Leenaarts, J., The Astrophysical Journal, Vol.936, Issue 1, id.67, 2022
  5. "Mapping Solar Magnetic Fields from the Photosphere to the Base of the Corona", Ryohko Ishikawa, Javier Trujillo Bueno, Tanausú del Pino Alemán, Takenori J. Okamoto, David E. McKenzie, Frédéric Auchère, Ryouhei Kano, Donguk Song, Masaki Yoshida, Laurel A. Rachmeler, Ken Kobayashi, Hirohisa Hara, Masahito Kubo, Noriyuki Narukage, Taro Sakao, Toshifumi Shimizu, Yoshinori Suematsu, Christian Bethge, Bart De Pontieu, Alberto Sainz Dalda, Genevieve D. Vigil, Amy Winebarger, Ernest Alsina Ballester, Luca Belluzzi, Jiri Stepan, Andrés Asensio Ramos, Mats Carlsson, Jorrit Leenaarts, Science Advances, Vol.7, no. 8, 2021
    6. 　　

PAPERS (non-refereed)

  1. "Optical design of the Chromospheric LAyer Spectro-Polarimeter (CLASP2)", Toshihiro Tsuzuki, Ryohko Ishikawa, Ryouhei Kano, Noriyuki Narukage, Donguk Song, Masaki Yoshida, Fumihiro Uraguchi, Takenori J. Okamoto, David McKenzie, Ken Kobayashi, Laurel Rachmeler, Frederic Auchere, Javier Trujillo Bueno, and CLASP2 team, Proceedings of the SPIE, Vol.11444, p.11446W, 2020
  2. "太陽紫外線観測ロケット実験CLASP/CLASP2でのコンタミ管理 (Contamination control in the sounding rocket experiments CLASP/CLASP2)", Ryouhei Kano, Ryohko Ishikawa, Noriyuki Narukage, Donguk Song, Masaki Yoshida, Yukio Katsukawa, Masahito Kubo, Takamasa Bando, Amy Winebarger, David McKenzie, Frédéric Auchère, CLASP & CLASP2 teams, 第63回宇宙科学技術連合講演会 (63rd UKAREN meeting), 1R09, 2020
  3. "Pre-flight Verification of CLASP2 Throughput", Song, D., Ishikawa, R., Kano, R., Yoshida, M., Shinoda, K., UVSOR Activity Report, Vol.46, p.38, 2019
  4. "Performance Verification of the VUV Coating for the CLASP2 Flight Mirrors", Song, D., Ishikawa, R., Kano, R., Shinoda, K., Yoshida, M., UVSOR Activity Report, Vol.45, p.36, 2018
  5. "Wave-front error measurements and alignment of CLASP2 telescope with a dual-band pass cold mirror coated primary mirror", M. Yoshida, D. Song, R. Ishikawa, R. Kano, Y. Katsukawa, Y. Suematsu, N. Narukage, M. Kubo, K. Shinoda, T. J. Okamoto, D. E. McKenzie, L. A. Rachmeler, F. Auchère, J. Trujillo Bueno, Proceedings of the SPIE, Vol.10699, p.1069930, 2018
  6. "Optical alignment of the high-precision UV spectro-polarimeter (CLASP2)", D. Song, R. Ishikawa, R. Kano, M. Yoshida, T. Tsuzuki, F. Uraguchi, K. Shinoda, H. Hara, T. J. Okamoto, F. Auchère, D. E. McKenzie, L. A. Rachmeler, J. Trujillo Bueno, Proceedings of the SPIE, Vol.10699, p.106992W, 2018
  7. "Chromospheric LAyer SpectroPolarimeter (CLASP2)", N. Narukage, M. Kubo, R. Ishikawa, Y. Katsukawa, S. Ishikawa, T. Kobiki, G. Giono, R. Kano, T. Bando, S. Tsuneta, Proceedings of the SPIE, Vol.9905, p.990508, 2016
  8. "Development of Reflective and Transimissive Polarizers in 280 nm", R. Ishikawa, N. Narukage, N. Yoshida, S. Ishikawa and M. Kubo, UVSOR Activity Report, Vol.43, p.40, 2016

PRESENTATIONS (International Conference)

  1. "Observational Evidence for the Hanle and Magneto-Optical Effects in the Polarization of the Mg II h & k Lines Observed by CLASP2", R. Ishikawa, J. Trujillo Bueno, E. Alsina Ballester, L. Belluzzi, T. del Pino Aleman, R. Kano, D. McKenzie, F. Auchere, K. Kobayashi, T. J. Okamoto, L. Rachmeler, D. Song Solar Polarization Workshop 10, Oral Presentation, Kyoto, Japan, Nov. 2022
  2. "The CLASP2 and CLASP2.1 missions for measuring chromospheric magnetic fields", Donguk Song, Ryohko Ishikawa, David E. McKenzie, Javier Trujillo Bueno, Frédéric Auchère, Ryouhei Kano, Laurel A. Rachmeler, Takenori J. Okamoto, Ken Kobayashi, Christian Bethge, Solar Polarization Workshop 10, Oral Presentation (Invited), Kyoto, Japan, Nov. 2022
  3. "Solar magnetic fields from the photosphere to the top chromosphere revealed by CLASP2 and Hinode", R. Ishikawa, J. Trujillo Bueno, T. del Pino Aleman, T. J. Okamoto, D. E. McKenzie, F. Auchère, R. Kano, D. Song, L. A. Rachmeler, K. Kobayashi, C. Bethge, B. De Pontieu, and CLASP2 team, Hinode-15/IRIS-12, Oral Presentation (Invited), Prague, Czech Rebuplic, Sep. 2022
  4. "Demonstration of Chromospheric Magnetic Mapping with CLASP2.1", David McKenzie, Luca Belluzzi, Ryouhei Kano, Frédéric Auchère, Tanausú del Pino Aleman, Donguk Song, Genevieve Vigil, Joten Okamoto, Laurel Rachmeler, Ken Kobayashi, Ernest Alsina Ballester, Jiri Štepán, Ryohko Ishikawa, Amy Winebarger, Taro Sakao, Javier Truijillo Bueno, Bart De Pontieu, Christian Bethge, Hinode 14/IRIS 11 Joint Science Meeting, Poster Presentation, On-line, Oct. 2021
  5. "Mapping solar magnetic fields from the photosphere to the top of the chromosphere by the CLASP2 sounding rocket experiment", R. Ishikawa, J. Trujillo Bueno, T. del Pino Aleman, T. J. Okamoto, D. E. McKenzie, F. Auchère, R. Kano, D. Song, L. A. Rachmeler, K. Kobayashi, C. Bethge, B. De Pontieu, CLASP2 team, 5th Asia-Pacific Conference on Plasma Physics, Division of Plasma Physics, Association of Asia-Pacific Physical Societies, Oral Presentation (Invited), On-line, Sep. 2021
  6. "UV Spectro-Polarimeter for High-Accuracy Measurements of Solar Chromospheric Magnetic Fields: CLASP2", Donguk Song, Ryohko Ishikawa, David E. Mckenzie, Javier Trujillo Bueno, Federic Auchere, Ryouhei Kano, Takenori J. Okamoto, Laure A. Rachmele, Ken Kobayashi, Masaki Yoshida, Chris Bethge, and CLASP2 team, IAU Symposium 360 Astronomical Polarimetry 2020 New Era of Multi-Wavelength Polarimetry, Poster Presentation, On-line, Mar. 2021
  7. "UV Spectro-Polarimetry in the Solar Atmosphere -- Results from Two Sounding Rocket Experiments CLASP1 and CLASP2", Joten Okamoto, R. Ishikawa, D. E. McKenzie, J. Trujillo Bueno, R. Kano, A. R. Winebarger, F. Auchère, L. A. Rachmeler, D. Song, N. Narukage, C. Bethge, K. Kobayashi, M. Yoshida, M. Kubo, S. Ishikawa, Y. Katsukawa, T. Bando, G. Giono, T. del Pino Alemán, IAU Symposium 360 Astronomical Polarimetry 2020 New Era of Multi-Wavelength Polarimetry, Poster Presentation, On-line, Mar. 2021
  8. "CLASP2 first results: mapping of solar magnetic fields from the photosphere to the top of the chromosphere", Ryohko Ishikawa SDO 2021 Science Workshop, Oral Presentation (Invited), On-line, Mar. 2021
  9. "Optical design of the Chromospheric LAyer Spectro-Polarimeter (CLASP2)", Toshihiro Tsuzuki, Ryohko Ishikawa, Ryouhei Kano, Noriyuki Narukage, Donguk Song, Masaki Yoshida, Fumihiro Uraguchi, Takenori J. Okamoto, David McKenzie, Ken Kobayashi, Laurel Rachmeler, Frederic Auchere, Javier Trujillo Bueno, and CLASP2 team, SPIE Astronomical Telescopes + Instrumentation, Poster Presentation, On-line, Dec. 2020
  10. "Initial results from CLASP2 rocket experiment to measure magnetic fields in the solar chromosphere", Joten Okamoto, Ryoko Ishikawa, David McKenzie, Javier Trujillo Bueno, Frederic Auchere, Laurel Rachmeler, Ryohei Kano, Donguk Song, Christian Bethge, Ken Kobayashi, Masaki Yoshida, Tanausu del Pino Aleman, CLASP2 team, JpGU - AGU Joint Meeting 2020, Oral Presentation (Invited), On-line, Jul. 2020
  11. "The Chromospheric Layer SpectroPolarimeter (CLASP2) Mission: Introduction", David E. McKenzie, Ryohko Ishikawa, Ryouhei Kano, Joten Okamoto, Laurel Rachmeler, Javier Trujillo Bueno, Frederic Auchere, Ken Kobayashi, Donguk Song, Masaki Yoshida, JpGU - AGU Joint Meeting 2020, Oral Presentation (Invited), On-line, Jul. 2020
  12. "First results of the Chromospheric LAyer Spectro-Polarimeter (CLASP2)", Ryohko Ishikawa, David McKenzie, Javier Trujillo Bueno, Frédéric Auchère, Ryouhei Kano, Donguk Song, Masaki Yoshida, Toshihiro Tsuzuki, Fumihiro Uraguchi, Takenori J. Okamoto, Laurel Rachmeler, Ken Kobayashi, and CLASP2 team, Hinode-13/IPELS2019, Oral Presentation, Tokyo, Japan, Sep. 2019
  13. "Lyman-Alpha Imaging Polarimetry with the CLASP2 Sounding Rocket Mission", Ryouhei Kano, R. Ishikawa, D. E. McKenzie, J. Trujillo Bueno, D. Song, M. Yoshida, T. J. Okamoto, L. Rachmeler, K. Kobayashi, F. Auchère, CLASP2 team, Hinode-13/IPELS2019, Poster Presentation, Tokyo, Japan, Sep. 2019
  14. "Polarization Calibration of Chromospheric LAyer Spectro-Polarimeter (CLASP2)", Donguk Song, Ryohko Ishikawa, Ryouhei Kano, Hirohisa, Hara, Kazuya Shinoda, Masaki Yoshida, Takenori J. Okamoto, David E. Mckenzie, Javier Trujillo Bueno, Frédéric Auchère, Laurel Rachmeler, Ken Kobayashi, and CLASP2 team, Hinode-13/IPELS2019, Poster Presentation, Tokyo, Japan, Sep. 2019
  15. "The CLASP and CLASP2 missions", Ryohko Ishikawa, Ryouhei Kano, Amy Winebarger, David McKenzie, Javier TrujilloBueno, Frédéric Auchère, Noriyuki Narukage, Takamasa Bando, Ken Kobayashi, Laurel Rachmeler, Donguk Song, Masaki Yoshida, Takenori J. Okamoto, and the CLASP and CLASP2 team, 9th Solar Polarization Workshop, Oral Presentation (Invited), Göttingen, Germany, Aug. 2019
  16. "Polarization calibration of the Chromospheric LAyerSpectro-Polarimeter (CLASP2)", Donguk Song, Ryohko Ishikawa, Ryouhei Kano, Hirohisa Hara, Kazuya Shinoda, Masaki Yoshida, David McKenzie, Javier Trujillo Bueno, Frédéric Auchère, Laurel Rachmeler, Ken Kobayashi, Takenori J. Okamoto, and CLASP2 team, 9th Solar Polarization Workshop, Poster Presentation, Göttingen, Germany, Aug. 2019
  17. "Probing the Chromosphere-Corona Transition Region via UV Spectropolarimetry", J. Trujillo Bueno et al., IAU Symposium 354, Oral Presentation (Invited), Copiapo, Chile, Jun 2019
  18. "The Chromospheric Layer SpectroPolarimeter (CLASP2) Sounding Rocket Mission: First Results", David E. McKenzie, Ryohko Ishikawa, Ryouhei Kano, Laurel Rachmeler, Javier Trujillo Bueno, Ken Kobayashi, Donguk Song, Masaki Yoshida, Frédéric Auchère, Takenori Okamoto, AAS/SPD 50, Oral Presentation, St. Louis, U.S.A., Jun 2019
  19. "LYMAN-ALPHA IMAGING POLARIMETRY WITH THE CLASP2 SOUNDING ROCKET MISSION", Ryouhei Kano, Ryohko Ishikawa, David E. McKenzie, Javier Trujillo Bueno, Donguk Song, Masaki Yoshida, Takenori Okamoto, Laurel Rachmeler, Ken Kobayashi, Frédéric Auchère, CLASP2 team, AAS/SPD 50, Poster Presentation, St. Louis, U.S.A., Jun 2019
  20. "CLASP2, which observes the UV-line polarization from the Sun by a sounding rocket in next week!!", Ryouhei Kano, Cosmic Lab, Oral Presentation (Invited), Chiba, Japan, Mar. 2019
  21. "THE CLASP2 EXPERIMENT AND THE OBSERVING PLANS WITH IRIS AND HINODE", J. Okamoto, R. Ishikawa, D. McKenzie, J. Trujillo Bueno, R. Kano, D. Song, L. Rachmeler, F. Auchere, M. Yoshida, T. Tsuzuki, F. Uraguchi, K. Shinoda, M. Kubo, H. Hara, N. Narukage, Y. Suematsu, S. Ishikawa, T. Sakao, A. Winebarger, K. Kobayashi, P. Champey, C. Bethge, B. De Pontieu, A. Asensio Ramos, T. del Pino Aleman, E. Alsina Bellester, J. Stepan, L. Belluzzi, J. Leenaarts, M. Carlsson, HINODE-12 The Many Suns, Oral Presentation (Invited), Granada, Spain, Sep. 2018
  22. "Current State of UV Spectro-Polarimetry and Its Future Direction", R. Ishikawa, R. Kano, A. Winebarger, D. E. McKenzie, J. Trujillo Bueno, F. Auchere, N. Narukage, T. J. Okamoto, K. Kobayashi, L. Rachmeler, M. Kubo, S. Ishikawa, Y. Katsukawa, T. Bando, G. Giono, H. Hara, D. Song, Y. Suematsu, M. Yoshida, T. Tsuzuki, F. Uraguchi, T. Shimizu, T. Sakao, S. Tsuneta, K. Ichimoto, M. Goto, P. Champey, C. Bethge, B. De Pontieu, A. Asensio Ramos, T. del Pino Aleman, E. Alsina Bellester, J. Stepan, L. Belluzzi, R. Manso Sainz, R. Casini, J. Leenaarts and M. Carlsson, COSPAR 42nd, Oral Presentation (Invited), Pasadena, U.S.A., Jul. 2018
  23. "Science with CLASP 1 & 2", J. Trujillo Bueno and the CLASP teams, IRIS 9, Oral Presentation (Invited), Göttingen, Germany, Jun 2018
  24. "Wave-front error measurements and alignment of CLASP2 telescope with a dual-band pass cold mirror coated primary mirror", M. Yoshida, D. Song, R. Ishikawa, R. Kano, Y. Katsukawa, Y. Suematsu, N. Narukage, M. Kubo, K. Shinoda, T. J. Okamoto, D. E. McKenzie, L. A. Rachmeler, F. Auchère, J. Trujillo Bueno, SPIE Astronomical Telescopes + Instrumentation, Poster Presentation, Austin, U.S.A., Jun 2018
  25. "Optical alignment of the high-precision UV spectro-polarimeter (CLASP2)", D. Song, R. Ishikawa, R. Kano, M. Yoshida, T. Tsuzuki, F. Uraguchi, K. Shinoda, H. Hara, T. J. Okamoto, F. Auchère, D. E. McKenzie, L. A. Rachmeler, J. Trujillo Bueno, SPIE Astronomical Telescopes + Instrumentation, Poster Presentation, Austin, U.S.A., Jun 2018
  26. "Ultraviolet spectropolarimetric observations to probe the solar chromosphere and transition region", Kano, R., Ishikawa, R., Winebarger, A., Auchere, F., Trujillo Bueno, J., Narukage, N., Kobayashi, K., Bando,T., Katsukawa, Y., Kubo, M., Ishikawa, S., Giono, G., Hara, H., Suematsu, Y., Tsuneta, S., Champey, P., Belluzzi, L., Štěpán, J., De Pomtieu, B., McKenzie, D., Rachmeler, L., Okamoto, T. J., the CLASP/CLASP2 teams, 1st Asia-Pacific Conference on Plasma Physics, Oral Presentation, Chengdu, China, Sep. 2017
  27. "CLASP2: The Chromospheric LAyer Spectro-Polarimeter", Laurel Rachmeler, David E McKenzie, Ryohko Ishikawa, Javier Trujillo Bueno, Frédéric Auchère, Ken Kobayashi, Ken, Amy Winebarger, Christian Bethge, Ryouhei Kano, Masahito Kubo, Donguk Song, Noriyuki Narukage, Shin-nosuke Ishikawa, Bart De Pontieu, Mats Carlsson, Masaki Yoshida, Luca Belluzzi, Jiri Stepan, Tanausú del Pino Alemnán, Ernest Alsina Ballester, Andres Asensio Ramos, American Astronomical Society, SPD meeting #48, Oral Presentation, Portland, U.S.A. Aug. 2017
  28. "CLASP2: The Chromospheric LAyer Spectro-Polarimeter", Rachmeler, Laurel A., McKenzie, D. E., Ishikawa, R., Trujillo-Bueno, J., Auchere, F., Kobayashi, K., Winebarger, A., Bethge, C., Kano, R., Kubo, M., Song, D., Narukage, N., Ishikawa, S., De Pontieu, B., Carlsson, M., Yoshida, M., Belluzzi, L., Stepan, J., del Pino Alemán, T., Alsina Ballester, E. Asensio Ramos, A. Solar Heliospheric and INterplanetary Environment (SHINE 2017), Oral Presentation, Saint-Sauveur, Canada, Jul. 2017
  29. "CLASP2: High-Precision Spectro-Polarimetry in Mg II h & k", Ishikawa, R., McKenzie, D., Trujillo Bueno, J., Auchere, F., Rachmeler, L., Okamoto, T. J., Kano, R., Song, D., Kubo, M., Narukage, N., Yoshida, M., Tsuzuki, T., Hara, H., Shinoda, K., Suematsu, Y., Goto, M., Ishikawa, S., Sakao , T., Kobayashi, K., Winebarger, A., Bethge, C., De Pontieu, B., Carlsson, M., Leenaarts, J., Belluzzi, L., Stepan, J., del Pino Aleman, T., Alsina Bellester, E., Asensio Ramos, A., Joint Hinode-11/IRIS-8 Science Meeting, Poster Presentation, Seatlle, U.S.A., May 2017
  30. "Results & Future of CLASP Project - From CLASP1 to CLASP2 -", Masahito Kubo, R. Kano, R. Ishikawa, A. Winebarger, D.E. McKenzie, F. Auchere, J. Trujillo Bueno, N. Narukage, K. Kobayashi, L. Rachmeler, T. Bando, Y. Katsukawa, S. Ishikawa, G. Giono, H. Hara, Y. Suematsu, M. Yoshida, T. Shimizu, T. Sakao, S. Tsuneta, K. Ichimoto, M. Goto, J. Cirtain, P. Champey, B. De Pontieu, R. Casini, C. Bethge, R. Manso Sainz, A. Asensio Ramos, J. Stepan, L. Belluzzi, M. Carlsson, T. del Pino Aleman, E. Alsina Ballester, SOLARNET IV Meeting, Oral Presentation (Invited), Lanzarote, Spain, Jan. 2017
  31. "Chromospheric LAyer SpectroPolarimeter (CLASP2)", Narukage, N., Cirtain, J., Ishikawa, R., Trujillo Bueno, J., De Pontieu, B., Kubo, M., Ishikawa, S., Kano, R., Suematsu, Y., 他11名, SPIE Astronomical Telescopes+Instrumentation, Oral Presentation, Edinburgh, UK, Jun 2016

PRESENTATIONS (Domestic Conference)

  1. "彩層磁場研究の今後の展望 (Future Prospects of the Chromospheric Magnetic Field Research)", Ryohko Ishikawa, Ryohtaro Ishikawa, Takayoshi Oba, Takenori Okamoto, Yukio Katsukawa, Yusuke Kawabata, Masahito Kubo, Akiko Tei, Haruhisa Iijima, Takuma Matsumoto, FY2022 JSPC symposium, Oral presentation, Nagoya, Aichi, Feb. 2023
  2. "太陽紫外線偏光分光観測ロケット実験CLASP2 (Solar Sounding Rocket Experiment CLASP2)", Ryohko Ishikawa, David E. McKenzie, Javier Trujillo Bueno, Frederic Auchere, Ryouhei Kano, Donguk Song, Masaki Yoshida, Toshihiro Tsuzuki, Fumihiro Uraguchi, Takenori Okamoto, Ken Kobayashi, Laurel A. Rachmeler, 4th sounding rocket symposium, Oral presentation (Invited), On-line & Sagamihara, Mar. 2022
  3. "Demonstration of the mapping of chromospheric magnetic fields by CLASP2.1", Ryohko Ishikawa, Takenori Okamoto, Song Donguk, David McKenzie, Javier Trujillo Bueno, Frederic Auchere, Ryouhei Kano, Fumihiro Uraguchi, Toshihiro Tsuzuki, Ken Kobayashi, Laurel Rachmeler, Gen Vigil, Christian Bethge, Taro Sakao, CLASP2.1 Team ASJ 2022 Spring Annual Meeting, Oral presentation, On-line, Mar. 2022
  4. "宇宙からの太陽磁場測定ミッション (Mission to measure magnetic fields from space)", Ryohko Ishikawa, Takayoshi Oba, Takenori Okamoto, Yusuke Kawabata FY2021 JSPC symposium, Oral persentation (Invited), On-line, Feb. 2022
  5. "Initial results from the CLASP2.1 sounding rocket experiment", Ryohko Ishikawa, Takenori Okamoto, Song Donguk, David McKenzie, Javier Trujillo Bueno, Frederic Auchere, Ryouhei Kano, Fumihiro Uraguchi, Toshihiro Tsuzuki, Ken Kobayashi, Laurel Rachmeler, Gen Vigil, Christian Bethge, Taro Sakao, CLASP2.1 Team ISAS Symposium, Poster presentation, On-line, Jan. 2022
  6. "紫外線偏光分光観測によるコロナ直下までの磁場の網羅的測定 (Seamless magnetic field measurement with UV spectropolarimetry)", Ryohko Ishikawa, Takenori Okamoto, Song Donguk, Yusuke Kawabata, Ryouhei Kano Symposium: Strategy of solar physics in 30's', Oral presentation, On-line, Sep. 2020
  7. "観測ロケット実験CLASP2・ひので衛星による太陽磁場の断層診断 (Tomography of solar magnetic fields from CLASP2 and Hinode observations)", Ryohko Ishikawa, Takenori J. Okamoto, David McKenzie, Javier Trujillo Bueno, Ryouhei Kano, Song Donguk, Masaki Yoshida, Laurel Rachmeler, Frederic Auchere, Fumihiro Uraguchi, Masahito Kubo, Taro Sakao, Kazuya Shinoda, TOshifumi Shimizu, Yoshinori Suematsu, Toshihiro Tsuzuki, Noriyuki Narukage, Yoshifumi Nodomi, Hirohisa Hara, Amy Winebarger, Ken Kobayashi, Christian Bethge, Bart De Pontieu, Alberto Sainz Dalda, Andres Asensio Ramos, Tanausu del Pino Aleman, Ernest Alsina Bellester, Jiri Stepan, Luca Belluzzi, Jorrit Leenaarts, Mats Carlsson ISAS symposium, Poster Presentation, On-line, Jan. 2021
  8. "Chromospheric Studies Based on CLASP Series: A New Challenge for CLASP2.1", Donguk Song, Ryohko Ishikawa, Takenori Joten Okamoto, Ryouhel Kano, David E. McKenzie, Javier Trujillo Bueno, Frederic Auchere, Laurel Rachmeler, Ken Kobayashi, Christian Bethge, and CLASP2 and CLASP2.1 teams FY2020 JSPC/Solar Space Study Symposium, Oral Presenrtation (Invited), On-line, Dec. 2020
  9. "Tomography of plage and network magnetic fields from Hinode and CLASP2 observations", R. Ishikawa, J. Trujillo Bueno, T. del Pino Aleman, T. J. Okamoto, R. Kano, D. Song, M. Yoshida, D. E. McKenzie, K. Kobayashi, F. Auchere, L. Rachmeler, C. Bethge, CLASP2 team, ASJ 2020 Autumn Annual Meeting, Oral Presentation, On-line, Sep. 2020
  10. "Verification of CLASP2’s Polarization Accuracy", Donguk Song, Ryohko Ishikawa, Ryouhei Kano, David McKenzie, Javier Trujillo Bueno, Frederic Auchere, Laurel Rachmeler, Takenori J. Okamoto, Masaki Yoshida, Hirohisa Hara, Kazuya Shinoda, Ken Kobayashi, and CLASP2 team, ASJ 2020 Autumn Annual Meeting, Oral Presentation, On-line, Sep. 2020
  11. "観測ロケット実験 CLASP2 の初期成果 (Initial Results from CLASP2 Sounding Rocket Experiment)", Okamoto Takenori、Ishikawa Ryohko、McKenzie David、Trujillo Bueno Javier、Kano Ryouhei、Song Donguk、Rachmeler Laurel、 Auchere Frederic、Yoshida Masaki、Tsuzuki Toshihiro、Uraguchi Fumihiro、Shinoda Kazuya、Kubo Masahito、Hara Hirohisa、Narukage Noriyuki、Suematsu Yoshinori、 Ishikawa Shin-nosuke、Sakao Taro、Winebarger Amy、Kobayashi Ken、Champey Patrick、Bethge Christian、De Pontieu Bart、 Asensio Ramos Andres、del Pino Aleman Tanausu、Alsina Bellester Ernest、Stepan Jiri、Belluzzi Luca、 Leenaarts Jorrit、Carlsson Mats、Katsukawa Yukio、Shimizu Toshifumi, JSPC symposium, Oral Presentation, Mitaka, Tokyo, Feb. 2020
  12. "太陽観測小規模プログラム・ロケット実験CLASP2打ち上げ成功と初期成果報告 (Successful Launch of JAXA Small Mission-of-Opportunity Program CLASP2 and Initial Results)", Okamoto Takenori、Ishikawa Ryohko、McKenzie David、Trujillo Bueno Javier、Kano Ryouhei、Song Donguk、Rachmeler Laurel、 Auchere Frederic、Yoshida Masaki、Tsuzuki Toshihiro、Uraguchi Fumihiro、Shinoda Kazuya、Kubo Masahito、Hara Hirohisa、Narukage Noriyuki、Suematsu Yoshinori、 Ishikawa Shin-nosuke、Sakao Taro、Winebarger Amy、Kobayashi Ken、Champey Patrick、Bethge Christian、De Pontieu Bart、 Asensio Ramos Andres、del Pino Aleman Tanausu、Alsina Bellester Ernest、Stepan Jiri、Belluzzi Luca、 Leenaarts Jorrit、Carlsson Mats、Katsukawa Yukio、Shimizu Toshifumi, ISAS symposium, Poster Presentation, Sagamihara, Kanagawa, Jan. 2020
  13. "太陽観測ロケット実験CLASP2によるライマンα線の撮像偏光観測 (Lya Imaging Polarimetry by the Sounding Rocket Experiment CLASP2)", Kano Ryouhei、Ishikawa Ryohko、McKenzie David E.、Trujillo Bueno Javier、Song Donguk、Yoshida Masaki、Okamoto Takenori、 Rachmeler Laurel、Kobayashi Ken、Auchere Frederic, ISAS symposium, Poster Presentation, Sagamihara, Kanagawa, Jan. 2020
  14. "Polarization Calibration of Choromspheric LAyer Spectro-Polarimeter", Song Donguk、Ishikawa Ryohko、Kano Ryouhei、McKenzie David E.、Trujillo Bueno Javier、Yoshida Masaki、Okamoto Takenori、 Hara Hirohisa、Shinoda Kazuya、Rachmeler Laurel A.、Auchere Frederic、Kobayashi Ken, ISAS symposium, Poster Presentation, Sagamihara, Kanagawa, Jan. 2020
  15. "太陽観測ロケット実験CLASP2と、その紫外線偏光分光観測で捉えた太陽彩層の姿 (Sounding Rocket Experiment CLASP2 and the Solar Chromosphere Revealed by its UV SpectroPolarimetry)", Ryouhei Kano, Ryohko Ishikawa, Takenori Okamoto, Donguk Song, Masaki Yoshida, Fumihiro Uraguchi, Toshihiro Tsuzuki, David E. McKenzie, Laurel Rachmeler, Ken Kobayashi, Javier Trujillo Bueno, Frédéric Auchère, CLASP2 team, Joint workshop of「プラズマ分光計測と原子分子素過程研究の融合最前線」and「原子分子データ応用フォーラムセミナー」, Oral Presentation,Toki, Gifu, Dec. 2019
  16. "太陽紫外線観測ロケット実験CLASP/CLASP2でのコンタミ管理 (Contamination control in the sounding rocket experiments CLASP/CLASP2)", Ryouhei Kano, Ryohko Ishikawa, Noriyuki Narukage, Dunguk Song, Masaki Yoshida, Yukio Katsukawa, Masahito Kubo, Takamasa Bando, Amy Winebarger, David McKenzie, Frédéric Auchère, CLASP & CLASP2 team, 第63回宇宙科学技術連合講演会 (63rd UKAREN meeting), Oral Presentation, Tokushima, Nov. 2019
  17. "紫外線偏光分光観測実験CLASPシリーズから得る将来計画への示唆 (Discussion about the future missions based on the CLASP series of UV spectropolarimetry)", Ryohko Ishikawa, Ryouhei Kano, Masahito Kubo, Takenori Okamoto, Masaki Yoshida, ASJ 2019 Autumn Annual Meeting, Oral Presentation, Kumamoto, Sep. 2019
  18. "観測ロケット実験CLASP2で捉えた太陽彩層の新たな姿 (New faces of the solar chromosphere revealed by the CLASP2 sounding rocket experiment)", Ryouhei Kano, Ryohko Ishikawa, Takenori Okamoto, Donguk Song, Masaki Yoshida, Fumihiro Uraguchi, Toshihiro Tsuzuki, David E. McKenzie, Laurel Rachmeler, Ken Kobayashi, Javier Trujillo Bueno, Frédéric Auchère, CLASP&CLASP2 team, ASJ 2019 Autumn Annual Meeting, Oral Presentation, Kumamoto, Sep. 2019
  19. "太陽紫外線偏光分光観測ロケット実験CLASP2 (Sounding Rocket Experiment CLASP2)", Ryohko Ishikawa, McKenzie David E., Trujillo Bueno Javier, Auchere Frederic, Ryouhei Kano, Dunguk Song, Masaki Yoshida, Toshihiro Tsuzuki, Fumihiro Uraguchi, Takenori Okamoto, Kobayashi Ken, Rachmeler Laurel A., ISAS rocket symposium, Oral Presentation, Sagamihara, Kanagawa, Aug. 2019
  20. "打ち上げ迫る！太陽観測ロケット実験CLASP2 (Sounding Rocket Experiment CLASP2)", Ryohko Ishikawa, CLASP1 & 2 team, JSPC symposium, Oral Presentation, Nagoya, Aichi, Feb. 2019
  21. "太陽観測小規模プログラム: CLASP2 & SUNRISE-3 (Solar Small Mission-of-Opportunity Program: CLASP2 & SUNRISE-3)", Katsukawa Yukio, Ishikawa Ryohko, Hara Hirohisa, Shimizu Toshifumi, Ishikawa Shin-nosuke, Ichimoto Kiyoshi, Uraguchi Fumihiro, Oba Takayoshi, Okamoto Takenori, Kano Ryouhei, Kawabata Yusuke, Quintero Noda Carlos, Kubo Masahito, Goto Motoshi, Sakao Taro, Shinoda Kazuya, Song Donguk, Suematsu Yoshinori, Tamura Tomonori, Tsuzuki Toshihiro, Nagata Shin-ichi, Narukage Noriyuki, Nodomi Yoshifumi, Yoshida Masaki, ISAS symposium, Poster Presentation, Sagamihara, Kanagawa, Jan. 2019
  22. "観測ロケット実験CLASP2 -観測装置の開発状況報告- (Sounding Rocket Experiment CLASP2 -Development Status Report-)", Ishikawa Ryohko, Kano Ryouhei, Song Donguk, Yoshida Masaki, Hara Hirohisa, Kubo Masahito, Narukage Noriyuki, Shinoda Kazuya, Uraguchi Fumihiro, Tsuzuki Toshihiro, Nodomi Yoshifumi, Okamoto Takenori, McKenzie David E., Rachmeler Laurel A., Auchere Frederic, Trujillo Bueno Javier, ISAS symposium, Poster Presentation, Sagamihara, Kanagawa, Jan. 2019
  23. "Optical Alignment and Pre-flight Polarization Calibration of the High-Precision UV Spectro-Polarimeter (CLASP2)", Song Donguk, Ishikawa Ryohko, Kano Ryouhei, Yoshida Masaki, Hara Hirohisa, Kubo Masahito, Narukage Noriyuki, Uraguchi Fumihiro, Tsuzuki Toshihiro, Okamoto Takenori, Mckenzie David E., Rachmeler Laurel A., Auchere Frederic, Trujillo Bueno Javier, ISAS symposium, Poster Presentation, Sagamihara, Kanagawa, Jan. 2019
  24. "CLASP2望遠鏡部のアライメント調整と迷光評価 (Optical Alignment of the CLASP2 Telescope and Evaluation of the Stray Light)", Yoshida Masaki, Song Donguk, Ishikawa Ryohko, Kano Ryouhei, Kubo Masahito, Katsukawa Yukio, Suematsu Yoshinori, Narukage Noriyuki, Shinoda Kazuya, Okamoto Takenori, Mckenzie David E., Rachmeler Laurel A., Auchere Frederic, Trujillo Bueno Javier, ISAS symposium, Poster Presentation, Sagamihara, Kanagawa, Jan. 2019
  25. "CLASP/CLASP2の文脈でみるEUVST/SUNRISE/DKIST (EUVST/SUNRISE/DKIST viewed from CLASP/CLASP2)", Ryohko Ishikawa, Workshop: Prospects for EUVST-SUNRISE-DKIST, Oral Presentation, Mitaka, Tokyo, Dec. 2018
  26. "観測ロケット実験CLASP2：紫外線高精度偏光分光観測装置の開発 (Sounding Rocket Experiment CLASP2: Development of High-Precision UV SpectroPolarimeter)", R. Ishikawa, R. Kano, D. Song, M. Yoshida, T. Tsuzuki, F. Uraguchi, M. Kubo, N. Narukage, H. Hirohisa, K. Shinoda, Y. Nodomi, Y. Suematsu, T. Okamoto, S. Ishikawa, T. Sakao, D. McKenzie, L. Rachmeler, F. Auchere, J. Trujillo Bueno, CLASP1&2 team, ASJ 2018 Autumn Annual Meeting, Oral Presentation, Himeji, Hyogo, Sep. 2018
  27. "CLASP/CLASP2による太陽彩層・遷移層の紫外線偏光分光観測 (UV spectropolarimetric observations of the solar chromosphere and the transition region by CLASP/CLASP2)", Ryouhei Kano, Ryohko Ishikawa, CLASP/CLASP2 team, ISAS rocket symposium, Oral Presentation, Sagamihara, Kanagawa, Jul. 2018
  28. "太陽彩層観測ロケット実験CLASP2 (Sounding Rocket Experiment CLASP2 to Observe the Solar Chromosphere)", Ryouhei Kano, Ryohko Ishikawa, CLASP2 team, JSPC symposium, Oral Presentation, Kyoto, Feb. 2018
  29. "Current Progress of Instrument Development of the Chromospheric LAyer Spectro-Polarimeter (CLASP2)", Song, D., Ishikawa, R., Kano, R., Yoshida, M., Tsuzuki, T., Kubo, M., Narukage, N., Uraguchi, F., Shinoda, K., Hara, H., Katsukawa, Y., Okamoto, T. J., Suematsu, Y., Auchere, F., Mckenzie, D. E., Rachmele, L. A., Trujillo Bueno, J., ISAS symposium, Poster Presentation, Sagamihara, Kanagawa, Jan. 2018
  30. "太陽観測小規模プログラム CLASP2 & SUNRISE-3 (Solar Small Mission-of-Opportunity Program CLASP2 & SUNRISE-3)", Katsukawa, Y., Ishikawa, R., Hara, H., Shimizu, T., Anan, T., Ishikawa, S., Ichimoto, K., Uraguchi, F., Oba, T., Okamoto, T. J., Kano, R., Kawabara, Y., Quintero Noda, C., Kubo, M., Goto, M., Shinoda, K., Sakao, T., Suematsu, Y., Song, D., Tamura, T., Tsuzuki, T., Nagata, S., Narukage, N., Yoshida, M., ISAS symposium, Oral Presentation, Sagamihara, Kanagawa, Jan. 2018
  31. "CLASP再飛翔計画～紫外線偏光観測による磁場診断手法確立を目指して～ (CLASP reflight aiming at establishing the diagnostic tool of magnetic fields by means of UV spectropolarimetery)", Ishikawa, R., Kubo, M., Narukage, N., Kano, R., Hara, H., Shinoda, K., Suematsu, Y., Ishikawa, S., Yoshida, M., McKenzie, D., Kobayashi, K., Rachmeler, L., Auchere, F., Trujillo Bueno, J., CLASP1 & 2 team, ASJ 2017 Spring Annual Meeting, Oral Presentation, Fukuoka, Mar. 2017
  32. "CLASP-1/2", Ryohko Ishikawa, JSPC symposium, Oral Presentation, Sagamihara, Kanagawa, Feb. 2017
  33. "観測ロケット実験CLASP2 ～紫外線偏光観測による磁場診断手法の確立を目指して～ (CLASP2 sounding rocket experiment aiming at establishing the diagnostic tool of magnetic fields by means of UV spectropolarimetery)", Ishikawa Ryohko, Kubo Masahito, Narukage Noriyuki, Ishikawa Shin-nosuke, Kano Ryouhei, Yoshida Masaki, McKenzie David, Kobayashi Ken, Rachmeler Laurel, Auchere Frederic, Trujillo Bueno Javier, ISAS symposium, Poster Presentation, Sagamihara, Kanagawa, Jan. 2017
  34. "再飛翔計画CLASP2の開発状況報告 (Status report of CLASP2 development)", Ryohko Ishikawa, et al., ISAS symposium, Poster Presentation, Sagamihara, Kanagawa, Jan. 2017