Sakai Shotaro 堺正太朗

Researcher Number	30801336
Other IDs	https://orcid.org/0000-0001-9135-2076
Affiliation (Current)	2026: 慶應義塾大学, 環境情報学部(藤沢), 講師
Affiliation (based on the past Project Information) *help	2025: 慶應義塾大学, 環境情報学部(藤沢), 講師 2022 – 2024: 東北大学, 理学研究科, 助教
Review Section/Research Field	Principal Investigator Basic Section 17010:Space and planetary sciences-related Except Principal Investigator Medium-sized Section 17:Earth and planetary science and related fields
Keywords	Principal Investigator 大気散逸 / 系外惑星 / 大気進化 / 地球型大気 / 恒星スペクトル / XUVスペクトル / 金星 / 火星 Except Principal Investigator 大気 / 水 … More / 観測 / 大気進化 / 進化 / 同位体 / 火星 Less

Study on the atmospheric evolution of planets with Earth-like atmospheresPrincipal Investigator
- Principal Investigator
  
  堺正太朗
- Project Period (FY)
  2025 – 2027
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 17010:Space and planetary sciences-related
- Research Institution
  Keio University
Influence of stellar spectra on the evolution of planetary atmospheresPrincipal Investigator
- Principal Investigator
  
  Sakai Shotaro
- Project Period (FY)
  2022 – 2024
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 17010:Space and planetary sciences-related
- Research Institution
  Tohoku University
New isotope obervations of Mars atmsopheric evolution: International collaboration of European and Japanese Mars exploration missions
- Principal Investigator
  
  中川広務
- Project Period (FY)
  2022 – 2026
- Research Category
  
  Fund for the Promotion of Joint International Research (Fostering Joint International Research (B))
- Review Section
  
  Medium-sized Section 17:Earth and planetary science and related fields
- Research Institution
  Tohoku University

All 2025 2024 2023 2022

All Journal Article Presentation

[Journal Article] C+ 133.5 nm Emission Mechanisms on Mars Revealed by the MAVEN Observations2024
- Author(s)
  Sakai Shotaro, Nakagawa Hiromu, Deighan Justin, Jain Sonal K., Masunaga Kei, Tsuchiya Fuminori, Terada Naoki, Mayyasi Majd, Schneider Nicholas M., Mitchell David L., Mazelle Christian, Benna Mehdi, Lillis Robert J., Murakami Go, Curry Shannon M., Seki Kanako
- Journal Title
  
  The Astrophysical Journal
  
  Volume: 977 Issue: 2 Pages: 226-226
- DOI
  10.3847/1538-4357/ad8e35
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19H00707, KAKENHI-PUBLICLY-23H04646, KAKENHI-PROJECT-22H00164, KAKENHI-PROJECT-22K03695, KAKENHI-PROJECT-20KK0074, KAKENHI-PROJECT-22K03708, KAKENHI-PROJECT-22KK0044
[Journal Article] On the Periodic Variation of the Ion Density in the Martian Dayside Ionosphere During the Regional Dust Storm in September 20162024
- Author(s)
  Hara Takuya、Masunaga Kei、Terada Naoki、Sakai Shotaro、Osanai Taiga、Seki Kanako、Fowler Christopher M.、Hanley Kathleen Gwen、McFadden James P.、Curry Shannon M.
- Journal Title
  
  Journal of Geophysical Research: Space Physics
  
  Volume: 129 Issue: 4
- DOI
  10.1029/2023ja031848
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K03708, KAKENHI-PROJECT-21K20387, KAKENHI-PROJECT-18KK0093, KAKENHI-PROJECT-20H00192, KAKENHI-PROJECT-22H00164, KAKENHI-PROJECT-22K03695, KAKENHI-PROJECT-24K21562
[Journal Article] Reduced Water Loss due to Photochemistry on Terrestrial Planets in the Runaway Greenhouse Phase around Pre-main-sequence M Dwarfs2024
- Author(s)
  Kawamura Yo、Yoshida Tatsuya、Terada Naoki、Nakamura Yuki、Koyama Shungo、Karyu Hiroki、Terada Kaori、Sakai Shotaro
- Journal Title
  
  The Astrophysical Journal
  
  Volume: 967 Issue: 2 Pages: 95-95
- DOI
  10.3847/1538-4357/ad3e7e
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PUBLICLY-23H04645, KAKENHI-PROJECT-22H00164, KAKENHI-PROJECT-22K03695, KAKENHI-PROJECT-24K21562, KAKENHI-PROJECT-23KJ0093, KAKENHI-PROJECT-23KJ0201, KAKENHI-PROJECT-24KJ0066
[Journal Article] Comprehensive comparison of two global multis-species MHD models of Mars2024
- Author(s)
  Sun, W., R. Sakata, Y. Ma, K. Seki, C. T. Russell, N. Terada, S. Sakai, H. Shinagawa, D. Brain, G. Toth
- Journal Title
  
  Earth and Space Science
  
  Volume: 11 Issue: 10
- DOI
  10.1029/2024ea003698
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22H00164, KAKENHI-PROJECT-22K03695, KAKENHI-PROJECT-24K21562, KAKENHI-PROJECT-23KJ0092
[Journal Article] A technique for retrieving the exospheric number density distribution from pickup ion ring distributions2024
- Author(s)
  Masunaga, K., N. Terada, F. Leblanc, Y. Harada, T. Hara, S. Sakai, S. Yokota, K. Seki, A. Yamazaki, J. P. McFadden, T. Usui
- Journal Title
  
  The Planetary Science Journal
  
  Volume: 5 Issue: 8 Pages: 180-180
- DOI
  10.3847/psj/ad65d4
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22H00164, KAKENHI-PROJECT-22K03695, KAKENHI-PROJECT-22K03708, KAKENHI-PROJECT-22KK0045
[Journal Article] Effects of an intrinsic magnetic field on ion escape from ancient Mars based on MAESTRO multifluid MHD simulations2024
- Author(s)
  Sakata, R., K. Seki, N. Terada, S. Sakai, and H. Shinagawa
- Journal Title
  
  Journal of Geophysical Research: Space Physics
  
  Volume: 129 Issue: 5
- DOI
  10.1029/2023ja032320
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-18KK0093, KAKENHI-PROJECT-20H00192, KAKENHI-PROJECT-22H00164, KAKENHI-PROJECT-22K03695, KAKENHI-PROJECT-24K21562, KAKENHI-PROJECT-23KJ0092
[Journal Article] Different Behavior of Density Perturbations Between Dayside and Nightside in the Martian Thermosphere and the Ionosphere Associated With Atmospheric Gravity Waves2024
- Author(s)
  Nakagawa Hiromu, England Scott L., Kumar Aishwarya, Benna Mehdi, Harada Yuki, Sakai Shotaro, Terada Naoki, Seki Kanako, Yoshida Nao
- Journal Title
  
  Journal of Geophysical Research: Space Physics
  
  Volume: 129 Issue: 12
- DOI
  10.1029/2024ja032988
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19H00707, KAKENHI-PUBLICLY-23H04646, KAKENHI-PROJECT-22H00164, KAKENHI-PROJECT-22K03695, KAKENHI-PROJECT-24K21562, KAKENHI-PROJECT-22KK0044, KAKENHI-PROJECT-22KK0045
[Journal Article] Study of Atmospheric Ion Escape From Exoplanet TOI‐700 d: Venus Analogs2023
- Author(s)
  Nishioka T.、Seki K.、Sakata R.、Yamamoto K.、Terada N.、Sakai S.、Shinagawa H.、Nakayama A.
- Journal Title
  
  Journal of Geophysical Research: Space Physics
  
  Volume: 128 Issue: 8
- DOI
  10.1029/2023ja031405
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-23K13161, KAKENHI-PROJECT-22K03695, KAKENHI-PROJECT-20H00192
[Journal Article] Photochemical and radiation transport model for extensive use (PROTEUS)2023
- Author(s)
  Nakamura Yuki、Terada Naoki、Koyama Shungo、Yoshida Tatsuya、Karyu Hiroki、Terada Kaori、Kuroda Takeshi、Kamada Arihiro、Murata Isao、Sakai Shotaro、Suzuki Yuhei、Kobayashi Mirai、Leblanc Francois
- Journal Title
  
  Earth, Planets and Space
  
  Volume: 75 Issue: 1 Pages: 140-140
- DOI
  10.1186/s40623-023-01881-w
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22KJ0314, KAKENHI-PROJECT-23KJ0093, KAKENHI-PROJECT-23KJ0201, KAKENHI-PROJECT-22KK0044, KAKENHI-PROJECT-22K03695, KAKENHI-PROJECT-22KJ0280, KAKENHI-PROJECT-18KK0093, KAKENHI-PUBLICLY-23H04645, KAKENHI-PROJECT-20H00192, KAKENHI-PROJECT-22H00164, KAKENHI-PROJECT-19H00707
[Journal Article] Numerical Prediction of Changes in Atmospheric Chemical Compositions During a Solar Energetic Particle Event on Mars2023
- Author(s)
  Nakamura Yuki、Leblanc Francois、Terada Naoki、Hiruba Sayano、Murata Isao、Nakagawa Hiromu、Sakai Shotaro、Aoki Shohei、Piccialli Arianna、Willame Yannick、Neary Lori、Vandaele Ann Carine、Murase Kiyoka、Kataoka Ryuho
- Journal Title
  
  Journal of Geophysical Research: Space Physics
  
  Volume: 128 Issue: 12
- DOI
  10.1029/2022ja031250
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22KK0044, KAKENHI-PROJECT-22K03695, KAKENHI-PROJECT-22K03709, KAKENHI-PROJECT-22KJ0280, KAKENHI-PROJECT-18KK0093, KAKENHI-PLANNED-22H05151, KAKENHI-PUBLICLY-23H04646, KAKENHI-PROJECT-20H00192, KAKENHI-PROJECT-22H00164
[Journal Article] Strong Depletion of 13C in CO Induced by Photolysis of CO2 in the Martian Atmosphere, Calculated by a Photochemical Model?2023
- Author(s)
  Yoshida, T., Aoki, S., Ueno, Y., Terada, N., Nakamura, Y., Shiobara, K., Yoshida, N., Nakagawa, H., Sakai, S., & Koyama, S.
- Journal Title
  
  The Planetary Science Journal
  
  Volume: 4 Issue: 3 Pages: 53-53
- DOI
  10.3847/psj/acc030
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K03695, KAKENHI-PROJECT-22KK0044, KAKENHI-ORGANIZER-22H05149, KAKENHI-PLANNED-22H05151, KAKENHI-PROJECT-22H00164, KAKENHI-PROJECT-23K22561, KAKENHI-PROJECT-22KJ0314, KAKENHI-PROJECT-22KJ0280
[Journal Article] Enhanced ion escape rate during IMF rotation under weak intrinsic magnetic field conditions on a Mars-like planet2023
- Author(s)
  Sakai, S., Seki, K., Terada, N., Shinagawa, H., Sakata, R., Tanaka, T., & Ebihara, Y.
- Journal Title
  
  Journal of Geophysical Research: Space Physics
  
  Volume: 128 Issue: 3 Pages: 1-10
- DOI
  10.1029/2022ja030510
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K03695, KAKENHI-PROJECT-18KK0093, KAKENHI-PROJECT-22KK0044, KAKENHI-PROJECT-22H00164, KAKENHI-PROJECT-20H00192
[Journal Article] Multispecies MHD study of ion escape at ancient Mars: Effects of an intrinsic magnetic field and solar XUV radiation2022
- Author(s)
  Sakata, R., Seki, K., Sakai, S., Terada, N., Shinagawa, H., & Tanaka, T.
- Journal Title
  
  Journal of Geophysical Research: Space Physics
  
  Volume: 127 Issue: 7
- DOI
  10.1029/2022ja030427
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22K03695, KAKENHI-PROJECT-18KK0093, KAKENHI-PROJECT-22H00164, KAKENHI-PROJECT-21J11483, KAKENHI-PROJECT-20H00192
[Presentation] かぐや衛星によって観測された月面起源イオンの朝夕非対称2025
- Author(s)
  益永圭, 原田裕己, 横田勝一郎, 寺田直樹, 桂華邦裕, 堺正太朗, 松岡彩子, 齋藤義文, 加藤大羽
- Organizer
  第26回惑星圏シンポジウム
- Data Source
  KAKENHI-PROJECT-22K03695
[Presentation] Effects of the hot oxygen corona on ion escape from Venus-like planets2025
- Author(s)
  西岡知輝, 関華奈子, 坂田遼弥, 寺田直樹, 堺正太朗, 品川裕之, 中山陽史
- Organizer
  第26回惑星圏シンポジウム
- Data Source
  KAKENHI-PROJECT-22K03695
[Presentation] 11-species multifluid simulation study of carbon and nitrogen ion escape at Mars2025
- Author(s)
  坂田遼弥, 関華奈子, 寺田直樹, 堺正太朗, 品川裕之
- Organizer
  第26回惑星圏シンポジウム
- Data Source
  KAKENHI-PROJECT-22K03695
[Presentation] Enhancement of hydrogen escape induced by solar energetic particles on early Mars2025
- Author(s)
  中村勇貴, 関華奈子, 吉田辰哉, 小山俊吾, 堺正太朗, 寺田直樹
- Organizer
  第26回惑星圏シンポジウム
- Data Source
  KAKENHI-PROJECT-22K03695
[Presentation] Influence of the solar wind on the hydrogen airglow in the Venusian upper atmosphere2025
- Author(s)
  能勢千鶴, 益永圭, 土屋史紀, 堺正太朗, 笠羽康正, 吉川一朗, 山崎敦, 村上豪, 木村智樹, 北元, J.-Y. Chaufray, F. Leblanc
- Organizer
  第26回惑星圏シンポジウム
- Data Source
  KAKENHI-PROJECT-22K03695
[Presentation] C+ 133.5 nm emission mechanisms on Mars revealed by the MAVEN observations2025
- Author(s)
  堺正太朗, 中川広務, J. Deighan, S. K. Jain, 益永圭, 土屋史紀, 寺田直樹, M. Mayyasi, N. M. Schneider, D. L. Mitchell, C. Mazelle, M. Benna, R. J. Lillis, 村上豪, S. M. Curry, 関華奈子
- Organizer
  第26回惑星圏シンポジウム
- Data Source
  KAKENHI-PROJECT-22K03695
[Presentation] Numerical simulation of the Martian diffuse aurora2024
- Author(s)
  Y. Nakamura, N. Terada, F. Leblanc, A. Rahmati, H. Nakagawa, S. Sakai, K. Murase, R. Kataoka, L. Sore, J. -C. Gerard, D. A. Brain, K. Seki
- Organizer
  Asia Oceania Geosciences Society 2024 21st Annual Meeting
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K03695
[Presentation] Effects of hot oxygen corona on the ion escape from Venus-like planets2024
- Author(s)
  西岡知輝, 関華奈子, 坂田遼弥, 堺正太朗, 寺田直樹, 品川裕之, 中山陽史
- Organizer
  第156回地球電磁気・地球惑星圏学会2024年秋季年会
- Data Source
  KAKENHI-PROJECT-22K03695
[Presentation] Overview of the LAPYUTA mission (Life-environmentology, Astronomy, and PlanetarY Ultraviolet Telescope Assembly)2024
- Author(s)
  F. Tsuchiya, G. Murakami, A. Yamazaki, S. Kameda, T. Kimura, R. Koga, K. Masunaga, S. Sakai, M. Ikoma, A. Nakayama, M. Ouchi, M. Tanaka, S. Toriumi, M. Kagitani, K. Yoshioka, C. Tao, H. Kita, H. Yajima, H. Sagawa, J. Kimura, H. Nakagawa
- Organizer
  SPIE Astronomical Telescopes + Instrumentation
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K03695
[Presentation] 3次元多成分イオン磁気流体力学シミュレーションによる初期地球における膨張水素大気の非熱的散逸モデリング2024
- Author(s)
  草野百合, 木村智樹, 堺正太朗, 吉田辰哉, 前田優樹, 中田英太朗, 高田亮馬, 寺田直樹
- Organizer
  日本惑星科学会2024年秋季講演会
- Data Source
  KAKENHI-PROJECT-22K03695
[Presentation] 火星衛星探査計画 MMX イオンエネルギー質量分析器 MSA の設計と開発結果2024
- Author(s)
  松岡彩子, 横田勝一郎, 村田直史, 原田裕己, 齋藤義文, 寺田直樹, 桂華邦裕, 益永圭, 今城峻, 中川広務, 堺正太朗, MMX, MSAチーム
- Organizer
  第68回宇宙科学技術連合講演会
- Data Source
  KAKENHI-PROJECT-22K03695
[Presentation] 3 次元多成分イオン磁気流体力学シミュレーションによる初期地球における膨張水素大気の非熱的散逸モデリング2024
- Author(s)
  草野百合, 木村智樹, 堺正太朗, 吉田辰哉, 前田優樹, 中田英太朗, 高田亮馬, 寺田直樹
- Organizer
  第156回地球電磁気・地球惑星圏学会2024年秋季年会
- Data Source
  KAKENHI-PROJECT-22K03695
[Presentation] 3次元多成分イオン電磁流体力学シミュレーションによる過去地球における膨張水素大気の非熱的散逸モデリング2024
- Author(s)
  草野百合, 木村智樹, 堺正太朗, 吉田辰哉, 前田優樹, 中田英太朗, 高田亮馬, 徳重みなみ, 寺田直樹
- Organizer
  日本地球惑星科学連合2024年大会
- Data Source
  KAKENHI-PROJECT-22K03695
[Presentation] C II emission processes on Mars revealed by the MAVEN IUVS observations and feasibility study of C II observations by LAPYUTA2024
- Author(s)
  堺正太朗, 中川広務, J. Deighan, 益永圭, 土屋史紀, S. Jain, 寺田直樹, N. Schneider
- Organizer
  日本地球惑星科学連合2024年大会
- Data Source
  KAKENHI-PROJECT-22K03695
[Presentation] C+ emission mechanisms on Mars revealed by MAVEN: Implications for response to thermospheric and ionospheric variations2024
- Author(s)
  堺正太朗, 中川広務, J. Deighan, S. K. Jain, 益永圭, 土屋史紀, 寺田直樹, M. Mayyasi, N. M. Schneider, D. L. Mitchell, C. Mazelle, M. Benna, R. J. Lillis, 村上豪, S. M. Curry, 関華奈子
- Organizer
  第156回地球電磁気・地球惑星圏学会2024年秋季年会
- Data Source
  KAKENHI-PROJECT-22K03695
[Presentation] Influence of the solar wind on the hydrogen airglow in the Venusian upper atmosphere observed by Hisaki2024
- Author(s)
  能勢千鶴, 益永圭, 土屋史紀, 笠羽康正, 堺正太朗, 吉川一朗, 山崎敦, 村上豪, 木村智樹, 北元, J, Y. Chaufray, F. Leblanc
- Organizer
  第156回地球電磁気・地球惑星圏学会2024年秋季年会
- Data Source
  KAKENHI-PROJECT-22K03695
[Presentation] Overview of atmospheric escape from terrestrial planets: Role of magnetic field and solar activity2024
- Author(s)
  Shotaro Sakai
- Organizer
  IBS Conference on Planetary Science and Space Exploration 2024
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22KK0044
[Presentation] The LAPYUTA Mission: Life-environmentology, Astronomy, and Planetary Ultraviolet Telescope Assembly2024
- Author(s)
  F. Tsuchiya, G. Murakami, A. Yamazaki, S. Kameda, A. Nakayama, M. Ikoma, T. Kimura, C. Tao, R. Koga, J. Kimura, K. Masunaga, S. Sakai, M. Ouchi, M. Tanaka, S. Toriumi, K. Yoshioka, M. Kagitani
- Organizer
  Asia Oceania Geosciences Society 2024 21st Annual Meeting
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K03695
[Presentation] 金星における紫外遮蔽による水損失効率の抑制とマグマオーシャン寿命の長期化2024
- Author(s)
  川村陽, 吉田辰哉, 寺田直樹, 中村勇貴, 小山俊吾, 狩生宏喜, 堺正太朗, 黑田剛史
- Organizer
  日本惑星科学会2024年秋季講演会
- Data Source
  KAKENHI-PROJECT-22K03695
[Presentation] Effects of stellar XUV spectra on ion escape from a Mars-like planet orbiting inactive low-mass stars2024
- Author(s)
  S. Sakai, A. Nakayama, K. Seki, N. Terada, H. Shinagawa, R. Sakata, F. Leblanc, D. Brain, T. Tanaka
- Organizer
  American Geophysical Union Annual Meeting 2024
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K03695
[Presentation] LAPYUTA計画の科学目標と検討状況2024
- Author(s)
  土屋史紀, 村上豪, 山崎敦, 亀田真吾, 中山陽史, 生駒大洋, 木村智樹, 垰千尋, 古賀亮一, 木村淳, 益永圭, 堺正太朗, 大内正巳, 田中雅臣, 鳥海森, 吉岡和夫, 桑原正輝, 鍵谷将人
- Organizer
  日本地球惑星科学連合2024年大会
- Data Source
  KAKENHI-PROJECT-22K03695
[Presentation] 3 次元磁気流体力学シミュレーションを用いた土星風及び太陽風によるタイタン大気散逸過程の比較2024
- Author(s)
  高田亮馬, 木村智樹, 堺正太朗, 前田優樹, 中田英太朗, 草野百合, 寺田直樹
- Organizer
  第156回地球電磁気・地球惑星圏学会2024年秋季年会
- Data Source
  KAKENHI-PROJECT-22K03695
[Presentation] 3次元磁気流体力学シミュレーションを用いた土星風及び太陽風によるタイタン大気散逸過程の比較2024
- Author(s)
  高田亮馬, 木村智樹, 堺正太朗, 前田優樹, 中田英太朗, 草野百合, 徳重みなみ, 寺田直樹
- Organizer
  日本地球惑星科学連合2024年大会
- Data Source
  KAKENHI-PROJECT-22K03695
[Presentation] Global MHD simulation of ion escape from strongly magnetized Mars2024
- Author(s)
  R. Sakata, K. Seki, N. Terada, S. Sakai, H. Shinagawa
- Organizer
  American Geophysical Union Annual Meeting 2024
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K03695
[Presentation] Influence of the solar wind on the hydrogen airglow in the Venusian upper atmosphere observed by Hisaki2024
- Author(s)
  C. Nose, K. Masunaga, F. Tsuchiya, Y. Kasaba, S. Sakai, I. Yoshikawa, A. Yamazaki, G. Murakami, T. Kimura, H. Kita, J, Y. Chaufray, F. Leblanc
- Organizer
  American Geophysical Union Annual Meeting 2024
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K03695
[Presentation] Overview of atmospheric escape from terrestrial planets: Role of magnetic field and solar activity2024
- Author(s)
  S. Sakai
- Organizer
  IBS Conference on Planetary Science and Space Exploration 2024
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K03695
[Presentation] Statistical study on the periodic variation of the Martian upper atmosphere and ionosphere during the dust storms based on MAVEN observations2024
- Author(s)
  T. Hara, K. Masunaga, N. Terada, S. Sakai, K. Seki, K. Hanley, C. Fowler, J. McFadden, S. Curry
- Organizer
  American Geophysical Union Annual Meeting 2024
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K03695
[Presentation] Effects of hot oxygen corona on the ion escape from Venus-like planets2024
- Author(s)
  T. Nishioka, K. Seki, R. Sakata, S. Sakai, N. Terada, H. Shinagawa, A. Nakayama
- Organizer
  American Geophysical Union Annual Meeting 2024
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K03695
[Presentation] Mars aurora camera onboard the M-MATISSE mission: Mars Magnetosphere ATmosphere Ionosphere and Space-weather SciencE2024
- Author(s)
  H. Nakagawa, Y. Harada, Y. Yatsu, N. Takeyama, Y. Nakamura, L. Soret, T. Sakanoi, A. Yamazaki, T. Hara, S. Aoki, S. Sakai, K. Masunaga, A. Saito, Y. Hozumi, M. Fukizawa, N. M. Schneider, S. Jain, J. Deighan, J. -C. Gerard, J. -Y. Chaufray, K. Enya, K. Ishibashi, P. Hong, T. Takashima, N. Terada, K. Seki
- Organizer
  Japan Geoscience Union Meeting 2024
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K03695
[Presentation] Reduced water loss by photochemical reactions on terrestrial planets in runaway greenhouse conditions around pre-main-sequence M dwarfs2024
- Author(s)
  Y. Kawamura, T. Yoshida, N. Terada, Y. Nakamura, S. Koyama, H. Karyu, K. Terada, S. Sakai
- Organizer
  Japan Geoscience Union Meeting 2024
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K03695
[Presentation] Mass analysis of low-energy ions originating from the lunar surface and exosphere: Feasibility study for MMX/MSA observations2024
- Author(s)
  益永圭, 原田裕己, 横田勝一郎, 寺田直樹, 堺正太朗, 桂華邦裕, 松岡彩子, 齋藤義文, 加藤大羽
- Organizer
  第156回地球電磁気・地球惑星圏学会2024年秋季年会
- Data Source
  KAKENHI-PROJECT-22K03695
[Presentation] Impacts of recurrent solar energetic particle precipitation on the concentrations of CO and H2 in the early Martian atmosphere2024
- Author(s)
  中村勇貴, 関華奈子, 堺正太朗, 寺田直樹, 小山俊吾, 吉田辰哉
- Organizer
  日本地球惑星科学連合2024年大会
- Data Source
  KAKENHI-PROJECT-22K03695
[Presentation] Enhancement of hydrogen escape from the early Martian atmosphere induced by the precipitation of solar energetic particles2024
- Author(s)
  中村勇貴, 関華奈子, 吉田辰哉, 寺田直樹, 小山俊吾, 堺正太朗
- Organizer
  第156回地球電磁気・地球惑星圏学会2024年秋季年会
- Data Source
  KAKENHI-PROJECT-22K03695
[Presentation] LAPYUTA 計画の検討状況2024
- Author(s)
  土屋史紀, 村上豪, 山崎敦, 亀田真吾, 鍵谷将人, 吉岡和夫, 古賀亮一, 木村淳, 木村智樹, 垰千尋, 益永圭, 堺正太朗, 中山陽史, 生駒大洋, 成田憲保, 大内正己, 田中雅臣, 桑原正輝, 鳥海森, 野津湧太, 行方宏介
- Organizer
  第156回地球電磁気・地球惑星圏学会2024年秋季年会
- Data Source
  KAKENHI-PROJECT-22K03695
[Presentation] Study of atmospheric ion escape from exoplanet TOI-700 d based on global multi-species MHD simulations2024
- Author(s)
  T. Nishioka, A. Nakayama, H. Shinagawa, K. Seki, K. Yamamoto, N. Terada, R. Sakata, S. Sakai
- Organizer
  ISSS-15 + IPELS-16
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K03695
[Presentation] Comparative study of two global multispecies MHD models of Mars2024
- Author(s)
  坂田遼弥, W. Sun, Y. Ma, 関華奈子, C. Russell, 寺田直樹, 堺正太朗, 品川裕之
- Organizer
  日本地球惑星科学連合2024年大会
- Data Source
  KAKENHI-PROJECT-22K03695
[Presentation] C II emission processes on Mars revealed by the MAVEN IUVS observations and feasibility study of C II observations by LAPYUTA2024
- Author(s)
  Shotaro Sakai, Hiromu Nakagawa, Justin Deighan, Kei Masunaga, Fuminori Tsuchiya, Sonal K. Jain, Naoki Terada, Nicholas M. Schneider
- Organizer
  Japan Geoscience Union Meeting 2024
- Data Source
  KAKENHI-PROJECT-22KK0044
[Presentation] EDL&R 技術で実現する火星のサイエンス2024
- Author(s)
  関根康人, 臼井寛裕, 関華奈子, 寺田直樹, 長谷川精, 田中智, 原田裕己, 南拓人, 鎌田有紘, 中川広務, 堺正太朗, 野口里奈, 川村太一, 永田靖典, 山田和彦
- Organizer
  第68回宇宙科学技術連合講演会
- Data Source
  KAKENHI-PROJECT-22K03695
[Presentation] 強 XUV 環境における地球型惑星の大気散逸: CO2大気と地球大気2024
- Author(s)
  中山陽史, 関華奈子, 堺正太朗, 寺田直樹, 品川裕之
- Organizer
  日本惑星科学会2024年秋季講演会
- Data Source
  KAKENHI-PROJECT-22K03695
[Presentation] Atmospheric loss from Venus-like planets orbiting G stars2024
- Author(s)
  D. A. Brain, Z. Berta-Thompson, M. Chaffin, J. -Y. Chaufray, O. Cohen, T. Cravens, K. France, Y. Futaana, K. Garcia-Sage, A. Glocer, M. Holmstrom, R. Jarvinen, L. M. Kistler, R. Kopparapu, F. Leblanc, Y. Ma, D. R. Marsh, A. W. Merkel, R. Osten, W. K. Peterson, L. M. Peticolas, R. Ramstad, S. Sakai, et al.
- Organizer
  American Geophysical Union Annual Meeting 2024
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K03695
[Presentation] On periodic variations of the ion density in the Martian ionosphere during the dust storm in September 20162023
- Author(s)
  Hara, T., K. Masunaga, N. Terada, S. Sakai, T. Osanai, K. Seki, C. M. Fowler, K. G. Hanley, J. P. McFadden, S. M. Curry
- Organizer
  MAVEN PSG Meeting w/ MUAN
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K03695
[Presentation] Impacts of solar energetic particles on the atmospheric composition on present-day Mars2023
- Author(s)
  Nakamura, Y., F. Leblanc, N. Terada, S. Hiruba, I. Murata, H. Nakagawa, S. Sakai, S. Aoki, A. Piccialli, Y. Willame, L. Neary, A. C. Vandaele, K. Murase, R. Kataoka, K. Seki
- Organizer
  American Geophysical Union Fall Meeting 2023
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K03695
[Presentation] Which star-planet combinations lead to atmospheric retention?2023
- Author(s)
  Brain, D. A., M. Chaffin, Z. Berta-Thompson, J. -Y. Chaufray, O. Cohen, T. Cravens, H. Egan, K. France, Y. Futaana, A. Glocer, M. Holmstrom, R. Jarvinen, L. M. Kistler, R. Kopparapu, F. Leblanc, Y. Ma, D. R. Marsh, A. W. Merkel, W. K. Peterson, R. Ramstad, S. Sakai, et al.
- Organizer
  American Geophysical Union Fall Meeting 2023
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K03695
[Presentation] LAPYUTA ワーキンググループ, 惑星科学、生命圏科学、および天文学に向けた紫外線宇宙望遠鏡計画 (LAPYUTA) の検討状況2023
- Author(s)
  土屋史紀, 村上豪, 山崎敦, 木村智樹, 吉岡和夫, 鍵谷将人, 古賀亮一, 木村淳, 成田憲保, 亀田真吾, 生駒大洋, 大内正己, 田中雅臣, 益永圭, 堺正太朗, 垰千尋, 桑原正輝, 鳥海森
- Organizer
  第24回惑星圏研究会
- Data Source
  KAKENHI-PROJECT-22K03695
[Presentation] LAPYUTAによる地球型惑星上層大気観測の科学検討2023
- Author(s)
  益永圭, 堺正太朗, 青木翔平, 土屋史紀, 村上豪, 山崎敦, 吉岡和夫, 木村智樹, 鍵谷将人, 古賀亮一, LAPYUTA WG
- Organizer
  日本地球惑星科学連合2023年大会
- Data Source
  KAKENHI-PROJECT-22K03695
[Presentation] Study of atmospheric ion escape from exoplanet TOI-700 d2023
- Author(s)
  Nishioka, T., K. Seki, R. Sakata, K. Yamamoto, N. Terada, S. Sakai, H. Shinagawa, A. Nakayama
- Organizer
  37th URSI General Assembly and Scientific Symposium
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K03695
[Presentation] Comparison study of two global multispecies MHD models of Mars2023
- Author(s)
  坂田遼弥, W. Sun, Y. Ma, 関華奈子, C. T. Russell, 寺田直樹, 堺正太朗, 品川裕之
- Organizer
  第154回地球電磁気・地球惑星圏学会2023年秋季年会
- Data Source
  KAKENHI-PROJECT-22K03695
[Presentation] Comprehensive comparison of two global multi-species MHD models of Mars2023
- Author(s)
  Sun, W., R. Sakata, Y. Ma, K. Seki, C. T. Russell, N. Terada, S. Sakai, H. Shinagawa
- Organizer
  American Geophysical Union Fall Meeting 2023
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K03695
[Presentation] Effects of intrinsic and interplanetary magnetic fields on atmospheric escape from a Mars-like planet2023
- Author(s)
  Sakai, S., R. Sakata, K. Seki, N. Terada, H. Shinagawa, T. Tanaka, and Y. Ebihara
- Organizer
  2023 International Conference of Deep Space Sciences
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K03695
[Presentation] Study on effects of an intrinsic magnetic field on ancient Mars with a new multifluid MHD model2023
- Author(s)
  坂田遼弥, 関華奈子, 堺正太朗, 品川裕之, 寺田直樹
- Organizer
  日本地球惑星科学連合2023年大会
- Data Source
  KAKENHI-PROJECT-22K03695
[Presentation] 太陽光エネルギー粒子の降り込みが初期火星大気長期進化に与える影響2023
- Author(s)
  中村勇貴, 関華奈子, 中山陽史, 堺正太朗
- Organizer
  第25回惑星圏研究会
- Data Source
  KAKENHI-PROJECT-22K03695
[Presentation] Effects of intrinsic and interplanetary magnetic fields on atmospheric escape from a Mars-like planet2023
- Author(s)
  Sakai, S., R. Sakata, K. Seki, N. Terada, H. Shinagawa, T. Tanaka, and Y. Ebihara
- Organizer
  2023 International Conference of Deep Space Sciences
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22KK0044
[Presentation] Study of atmospheric ion escape from the exoplanet TOI-700 d2023
- Author(s)
  Nishioka, T., K. Seki, R. Sakata, K. Yamamoto, N. Terada, S. Sakai, H. Shinagawa, A. Nakayama
- Organizer
  Japan Geoscience Union Meeting 2023
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K03695
[Presentation] 火星衛星探査計画 (Martian Moons eXploration) による新たな同位体観測と日欧国際協力2023
- Author(s)
  中川広務, 青木翔平, 吉田辰哉, 堺正太朗, 寺田直樹, I. Thomas, J. Erwin, F. Daerden, A. C. Vandaele
- Organizer
  日本気象学会 2023 年度秋季大会
- Data Source
  KAKENHI-PROJECT-22KK0044
[Presentation] On the periodic variation of the ion density in the Martian dayside ionosphere during the regional dust storm2023
- Author(s)
  Hara, T., K. Masunaga, N. Terada, S. Sakai, K. Seki, C. M. Fowler, K. G. Hanley, J. P. McFadden, S. Curry
- Organizer
  American Geophysical Union Fall Meeting 2023
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K03695
[Presentation] 恒星 XUV スペクトルが及ぼす火星型惑星からの大気散逸への影響2023
- Author(s)
  堺正太朗, 中山陽史, 関華奈子, 寺田直樹, 品川裕之, 坂田遼弥, F. Leblanc, D. Brain, 田中高史
- Organizer
  日本天文学会 2023 年秋季年会
- Data Source
  KAKENHI-PROJECT-22K03695
[Presentation] 恒星 XUV スペクトルが及ぼす火星型惑星からの大気散逸への影響2023
- Author(s)
  堺正太朗, 中山陽史, 関華奈子, 寺田直樹, 品川裕之, 坂田遼弥, F. Leblanc, D. Brain, 田中高史
- Organizer
  日本天文学会 2023 年秋季年会
- Data Source
  KAKENHI-PROJECT-22KK0044
[Presentation] 紫外線宇宙望遠鏡 LAPYUTA 計画2023
- Author(s)
  土屋史紀, 村上豪, 山崎敦, 亀田真吾, 益永圭, 堺正太朗, 吉岡和夫, 鍵谷将人, 中山陽史, 生駒大洋, 桑原正輝, 成田憲保, 小玉貴則, 寺田直樹, 鳥海森, 野津湧太, 行方宏介, 木村智樹, 垰千尋, 古賀亮一, 木村淳, 大内正己, 田中雅臣, 塩谷圭吾, LAPYUTA検討チーム
- Organizer
  日本天文学会 2023 年秋季年会
- Data Source
  KAKENHI-PROJECT-22K03695
[Presentation] Study of atmospheric ion escape from exoplanet TOI-700 d: Venus analogs2023
- Author(s)
  Nishioka, T., K. Seki, R. Sakata, K. Yamamoto, S. Sakai, N. Terada, H. Shinagawa, A. Nakayama
- Organizer
  American Geophysical Union Fall Meeting 2023
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K03695
[Presentation] Effects of stellar spectra on atmospheric escape from a Mars-like planet orbiting inactive low-mass stars2023
- Author(s)
  Sakai, S., A. Nakayama, K. Seki, N. Terada, H. Shinagawa, R. Sakata, F. Leblanc, D. A. Brain, and T. Tanaka
- Organizer
  Japan Geoscience Union Meeting 2023
- Data Source
  KAKENHI-PROJECT-22KK0044
[Presentation] Major results from the Hisaki mission and future perspectives2023
- Author(s)
  Tsuchiya, F., Y. Kasaba, I. Yoshikawa, G. Murakami, A. Yamazaki, K. Yoshioka, T. Kimura, C. Tao, R. Koga, H. Kita, K. Masunaga, M. Kagitani, S. Sakai, M. Kuwabara
- Organizer
  European Geoscience Union General Assebly 2023
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K03695
[Presentation] Internal collaboration of European and Japanese Mars exploration missions2023
- Author(s)
  Hiromu Nakagawa, Tatsuya Yoshida, Shotaro Sakai, Shohei Aoki, Ann Carine Vandaele, Thomas Ian, Erwin Justin, Daerden Frank, Kimie Shiobara, Nao Yoshida, Naoki Terada, Yasumasa Kasaba
- Organizer
  Symposium on Planetary Sciences 2023
- Data Source
  KAKENHI-PROJECT-22KK0044
[Presentation] on and magnetic field observations planned by Martian Moons eXploration (MMX)2023
- Author(s)
  寺田直樹, 横田勝一郎, 松岡彩子, 村田直史, 桂華邦裕, 原田裕己, 益永圭, 中川広務, 今城峻, 齋藤義文, D. Delcoure, L. Hadid, 二穴喜文, 関華奈子, 浅村和史, 笠原慧, 西野真木, 野村麗子, 原拓也, D. Brain, F. Leblanc, 堺正太朗, 木村智樹, 三宅洋平, 臼井英之
- Organizer
  第 154 回地球電磁気・地球惑星圏学会 2023 年秋季年会
- Data Source
  KAKENHI-PROJECT-22KK0044
[Presentation] Kelvin-Helmholtz instability at Mars by a newly-developed multifluid model2023
- Author(s)
  Yan, M., J. Lei, 寺田直樹, B. Zhang, T. Dang, 堺正太朗, 坂田遼弥
- Organizer
  第154回地球電磁気・地球惑星圏学会2023年秋季年会
- Data Source
  KAKENHI-PROJECT-22K03695
[Presentation] LAPYUTA 計画の検討状況2023
- Author(s)
  土屋史紀, 村上豪, 山崎敦, 木村智樹, 吉岡和夫, 鍵谷将人, 古賀亮一, 木村淳, 成田憲保, 亀田真吾, 生駒大洋, 大内正己, 田中雅臣, 益永圭, 堺正太朗, 垰千尋, 桑原正輝, 鳥海森, LAPYUTA WG 検討グループ
- Organizer
  日本天文学会2023年春季年会
- Data Source
  KAKENHI-PROJECT-22K03695
[Presentation] Enhanced ion escape rate during IMF rotation under weak intrinsic magnetic field conditions on a Mars-like planet2023
- Author(s)
  Sakai, S., K. Seki, N. Terada, H. Shinagawa, R. Sakata, T. Tanaka, Y. Ebihara
- Organizer
  Asia Oceania Geosciences Society 20th Annual Meeting
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K03695
[Presentation] 火星大気散逸研究の現状と展望2023
- Author(s)
  堺正太朗
- Organizer
  第24回惑星圏研究会
- Invited
- Data Source
  KAKENHI-PROJECT-22K03695
[Presentation] Effects of stellar XUV spectra on atmospheric escape from a Mars-like planet orbiting inactive low-mass stars2023
- Author(s)
  堺正太朗, 中山陽史, 関華奈子, 寺田直樹, 品川裕之, 坂田遼弥, F. Leblanc, D. Brain, 田中高史
- Organizer
  第154回地球電磁気・地球惑星圏学会2023年秋季年会
- Data Source
  KAKENHI-PROJECT-22K03695
[Presentation] Effects of stellar XUV spectra on atmospheric escape from a Mars-like planet orbiting inactive low-mass stars2023
- Author(s)
  堺正太朗, 中山陽史, 関華奈子, 寺田直樹, 品川裕之, 坂田遼弥, F. Leblanc, D. Brain, 田中高史
- Organizer
  第 154 回地球電磁気・地球惑星圏学会 2023 年秋季年会
- Data Source
  KAKENHI-PROJECT-22KK0044
[Presentation] Effects of an intrinsic magnetic field on ion escape from ancient Mars based on MAESTRO global MHD simulations2023
- Author(s)
  Sakata, R., K. Seki, N. Terada, S. Sakai, H. Shinagawa
- Organizer
  American Geophysical Union Fall Meeting 2023
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K03695
[Presentation] Development of a photochemical model for the impacts of solar energetic particles on prebiotic chemistry on early Mars2023
- Author(s)
  中村勇貴, 関華奈子, 堺正太朗, 寺田直樹
- Organizer
  第 154 回地球電磁気・地球惑星圏学会 2023 年秋季年会
- Data Source
  KAKENHI-PROJECT-22KK0044
[Presentation] Study of atmospheric ion escape from exoplanet TOI-700 d2023
- Author(s)
  西岡知輝, 関華奈子, 坂田遼弥, 山本和弘, 堺正太朗, 寺田直樹, 品川裕之, 中山陽史
- Organizer
  第24回惑星圏研究会
- Data Source
  KAKENHI-PROJECT-22K03695
[Presentation] Photolysis-induced carbon isotopic fractionation of CO in the Martian atmosphere2023
- Author(s)
  吉田辰哉, 青木翔平, 上野雄一郎, 寺田直樹, 中村勇貴, 塩原輝満恵, 吉田奈央, 中川広務, 堺正太朗, 小山俊吾
- Organizer
  Symposium on Planetary Sciences 2023
- Data Source
  KAKENHI-PROJECT-22KK0044
[Presentation] LAPYUTA計画 (惑星科学、生命圏科学、および天文学に向けた紫外線宇宙望遠鏡) の検討状況2023
- Author(s)
  土屋史紀, 村上豪, 山崎敦, 亀田真吾, 鍵谷将人, 木村智樹, 垰千尋, 古賀亮一, 木村淳, 益永圭, 堺正太朗, 吉岡和夫, 中山陽史, 生駒大洋, 桑原正輝, 成田憲保, 小玉貴則, 鳥海森, 大内正巳, 田中雅臣
- Organizer
  第154回地球電磁気・地球惑星圏学会2023年秋季年会
- Data Source
  KAKENHI-PROJECT-22K03695
[Presentation] Enhanced ion escape rate during IMF rotation under weak intrinsic magnetic field conditions on a Mars-like planet2023
- Author(s)
  Sakai, S., K. Seki, N. Terada, H. Shinagawa, R. Sakata, T. Tanaka, and Y. Ebihara
- Organizer
  Asia Oceania Geosciences Society 20th Annual Meeting
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22KK0044
[Presentation] Effects of stellar spectra on atmospheric escape from a Mars-like planet orbiting inactive low-mass stars2023
- Author(s)
  Sakai, S., A. Nakayama, K. Seki, N. Terada, H. Shinagawa, R. Sakata, F. Leblanc, D. A. Brain, T. Tanaka
- Organizer
  Japan Geoscience Union Meeting 2023
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K03695
[Presentation] 火星大気散逸研究の現状と展望2023
- Author(s)
  堺正太朗
- Organizer
  Symposium on Planetary Sciences 2023
- Invited
- Data Source
  KAKENHI-PROJECT-22KK0044
[Presentation] Impacts of solar energetic particles on the atmospheric composition on present-day Mars2023
- Author(s)
  Nakamura, Y., F. Leblanc, N. Terada, S. Hiruba, I. Murata, H. Nakagawa, S. Sakai, S. Aoki, A. Piccialli, Y. Willame, L. Neary, A. C. Vandaele, K. Murase, R. Kataoka, and K. Seki
- Organizer
  American Geophysical Union Fall Meeting 2023
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22KK0044
[Presentation] Three-dimensional simulation of the Martian diffuse auroral emission in the crustal magnetic field regions2023
- Author(s)
  中村勇貴, F. Leblanc, J. -C. Gerard, L. Sore, 寺田直樹, 中川広務, 堺正太朗, 村瀬清華, 片岡龍峰, D. A. Brain, 関華奈子
- Organizer
  日本地球惑星科学連合2023年大会
- Data Source
  KAKENHI-PROJECT-22K03695
[Presentation] Simulation study of carbon and nitrogen ion escape at Mars2023
- Author(s)
  坂田遼弥, 関華奈子, 寺田直樹, 堺正太朗, 品川裕之
- Organizer
  第25回惑星圏研究会
- Data Source
  KAKENHI-PROJECT-22K03695
[Presentation] 系外惑星TOI-700 dからの電離大気散逸の研究: 金星アナログ2023
- Author(s)
  西岡知輝, 関華奈子, 山本和弘, 坂田遼弥, 堺正太朗, 寺田直樹, 品川裕之, 中山陽史
- Organizer
  日本惑星科学会2023年秋季講演会
- Data Source
  KAKENHI-PROJECT-22K03695
[Presentation] Life-environmentology, Astronomy, and PlanetarY Ultraviolet Telescope Assembly (LAPYUTA)2023
- Author(s)
  Tsuchiya, F., G. Murakami, A. Yamazaki, S. Kameda, M. Ikoma, N. Narita, T. Kimura, C. Tao, R. Koga, J. Kimura, M. Ouchi, M. Tanaka, K. Masunaga, S. Sakai, K. Yoshioka, M. Kagitani, M. Kuwabara, S. Toriumi
- Organizer
  Japan Geoscience Union Meeting 2023
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K03695
[Presentation] A multifluid MHD study on three-dimensional Kelvin-Helmholtz instability at Mars2023
- Author(s)
  Yan, M., T. Dang, J. Lei, B. Zhang, N. Terada, S. Sakai, F. Leblanc
- Organizer
  Japan Geoscience Union Meeting 2023
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K03695
[Presentation] 3次元磁気流体力学シミュレーションによる地磁気逆転時における地球から大気散逸率の評価2023
- Author(s)
  前田優樹, 木村智樹, 徳重みなみ, 中田英太朗, 堺正太朗, 寺田直樹
- Organizer
  日本地球惑星科学連合2023年大会
- Data Source
  KAKENHI-PROJECT-22K03695
[Presentation] Reduced water loss by photochemical reaction on terrestrial planets in the runaway greenhouse phase around pre-main-sequence M dwarfs2023
- Author(s)
  川村陽, 吉田辰哉, 寺田直樹, 中村勇貴, 小山俊吾, 狩生宏喜, 寺田香織, 堺正太朗
- Organizer
  第25回惑星圏研究会
- Data Source
  KAKENHI-PROJECT-22K03695
[Presentation] Three-dimensional simulation of the Martian diffuse auroral emission in the crustal magnetic field regions2023
- Author(s)
  中村勇貴, F. Leblanc, J. -C. Gerard, L. Soret, 寺田直樹, 中川広務, 堺正太朗, 村瀬清華, 片岡龍峰, D. A. Brain, 関華奈子
- Organizer
  日本地球惑星科学連合 2023 年大会
- Data Source
  KAKENHI-PROJECT-22KK0044
[Presentation] Effects of the XUV spectra on ion escape from a Mars-like planet orbiting inactive low-mass stars2023
- Author(s)
  堺正太朗, 中山陽史, 関華奈子, 寺田直樹, 品川裕之, 坂田遼弥, F. Leblanc, D. A. Brain, 田中高史
- Organizer
  第25回惑星圏研究会
- Data Source
  KAKENHI-PROJECT-22K03695
[Presentation] Comprehensive comparison study of two global multi-species MHD models of Mars2023
- Author(s)
  Sun, W., R. Sakata, Y. Ma, K. Seki, C. T. Russell, N. Terada, S. Sakai, H. Shinagawa
- Organizer
  MAVEN PSG Meeting w/ MUAN
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K03695
[Presentation] Effects of stellar spectra on ion escape from a Mars-like planet orbiting inactive low-mass stars2023
- Author(s)
  堺正太朗, 中山陽史, 関華奈子, 寺田直樹, 品川裕之, 坂田遼弥, 田中高史
- Organizer
  第24回惑星圏研究会
- Data Source
  KAKENHI-PROJECT-22K03695
[Presentation] Effects of an intrinsic magnetic field on ion escape from Mars based on newly developed multifluid MHD model simulations2023
- Author(s)
  Sakata, R., K. Seki, N. Terada, S. Sakai, H. Shinagawa
- Organizer
  37th URSI General Assembly and Scientific Symposium
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K03695
[Presentation] Identifying atmospheric waves and solar wind impacts in the Martian thermosphere and ionosphere2023
- Author(s)
  Nakagawa, H., S. England, N. Yoshida, S. Sakai, Y. Harada, N. Terada, K. Terada, K. Seki, H. Fujiwara, and T. Imamura
- Organizer
  Japan Geoscience Union Meeting 2023
- Data Source
  KAKENHI-PROJECT-22KK0044
[Presentation] 多成分MHDによる太古火星におけるイオン散逸の研究: 固有磁場と太陽XUV放射の影響2022
- Author(s)
  坂田遼弥, 関華奈子, 堺正太朗, 寺田直樹, 品川裕之, 田中高史
- Organizer
  日本惑星科学会秋季講演会
- Data Source
  KAKENHI-PROJECT-22K03695
[Presentation] Atmospheric Lifetime of a Hypothetical Mars-Sized Planet Orbiting Barnardユs Star2022
- Author(s)
  D.Brain, W.Peterson, O.Cohen, T.Cravens, A.Farrish, K.France, Y.Futaana, K.Garcia-Sage, A.Glocer, O.Hamil, M.Holmstrom, L.Kistler, F.Leblanc, Y.Ma, A.Merkel, A.Nakayama, L.Peticolas, R.Ramstad, A.Renzaglia, S.Sakai, R.Sakata, E.Sanchez, N.Schnepf, K.Seki, R.Strangeway, W.Sun, N.Terada, A.Vidotto, L.Waldrop
- Organizer
  Exoplanets in Our Backyard 2
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K03695
[Presentation] MAVEN/STATICの観測に基づくダストストーム期間の火星電離圏イオン密度の周期変動の研究2022
- Author(s)
  長内大河, 益永圭, 原拓也, 寺田直樹, 堺正太朗, 吉田奈央
- Organizer
  第152回地球電磁気・地球惑星圏学会
- Data Source
  KAKENHI-PROJECT-22KK0044
[Presentation] Birthplace of energetic ions around the Phobos' orbit at midnight: Implications for future MSA observations onboard MMX2022
- Author(s)
  堺正太朗, 寺田直樹, 益永圭, 中川広務, 横田勝一郎, 笠羽康正
- Organizer
  第152回地球電磁気・地球惑星圏学会
- Data Source
  KAKENHI-PROJECT-22KK0044
[Presentation] Effects of planetary intrinsic magnetic fields on the atmospheric ion escape from exoplanet TOI-700 d2022
- Author(s)
  西岡知輝, 関華奈子, 坂田遼弥, 山本和弘, 堺正太朗, 寺田直樹, 品川裕之, 中山陽史
- Organizer
  第152回地球電磁気・地球惑星圏学会講演会
- Data Source
  KAKENHI-PROJECT-22K03695
[Presentation] Study of atmospheric ion escape from exoplanet TOI-700 d based on global multi-species MHD simulations2022
- Author(s)
  T. Nishioka, K. Seki, R. Sakata, K. Yamamoto, S. Sakai, N. Terada, H. Shinagawa
- Organizer
  Japan Geoscience Union Meeting 2022
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K03695
[Presentation] Study of atmospheric ion escape from exoplanet TOI-700d2022
- Author(s)
  T. Nishioka, K. Seki, R. Sakata, K. Yamamoto, S. Sakai, N. Terada, H. Shinagawa, A. Nakayama
- Organizer
  American Geophysical Union Fall Meeting 2022
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K03695
[Presentation] 惑星科学, 生命圏科学, および天文学に向けた紫外線望遠鏡計画 (LAPYUTA): 計画の現状報告2022
- Author(s)
  土屋史紀, 村上豪, 山崎敦, 木村智樹, 吉岡和夫, 鍵谷将人, 古賀亮一, 木村淳, 成田憲保, 亀田真吾, 生駒大洋, 大内正己, 田中雅臣, 益永圭, 堺正太朗, 垰千尋, 桑原正輝, 鳥海森, LAPYUTA WG
- Organizer
  日本惑星科学会秋季講演会
- Data Source
  KAKENHI-PROJECT-22K03695
[Presentation] Atmospheric lifetime for a hypothetical Mars-sized planet orbiting Barnardユs Star2022
- Author(s)
  D. A. Brain, W. K. Peterson, O. Cohen, T. Cravens, A. Farrish, K. France, Y. Futaana, K. Garcia-Sage, A. Glocer, O. Hamil, M. Holmstrom, L. M. Kistler, F. Leblanc, A. W. Merkel, A. Nakayama, L. M. Peticolas, R. Ramstad, A. R. Renzaglia, S. Sakai, R. Sakata, N. R. Schnepf, K. Seki, R. J. Strangeway, W. Sun, A. Vidotto
- Organizer
  American Geophysical Union Fall Meeting 2022
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K03695
[Presentation] 惑星科学、生命圏科学、および天文学に向けた紫外線宇宙望遠鏡計画の検討状況2022
- Author(s)
  土屋史紀, 村上豪, 山崎敦, 木村智樹, 吉岡和夫, 鍵谷将人, 古賀亮一, 木村淳, 成田憲保, 亀田真吾, 生駒大洋, 大内正己, 田中雅臣, 益永圭, 堺正太朗, 垰千尋, 桑原正輝, 鳥海森
- Organizer
  第152回地球電磁気・地球惑星圏学会講演会
- Data Source
  KAKENHI-PROJECT-22K03695
[Presentation] 3次元グローバルMHDシミュレーションによる過去地球と現代タイタンの窒素大気散逸過程の比較2022
- Author(s)
  徳重みなみ, 木村智樹, 中田英太郎, 堺正太朗, 寺田直樹
- Organizer
  日本地球惑星科学連合2022年大会
- Data Source
  KAKENHI-PROJECT-22K03695
[Presentation] Plasmasphere formation around terrestrial exoplanets: Possible evidence of the exoplanetary intrinsic magnetic field and atmosphere2022
- Author(s)
  K. Seki, A. Nakayama, R. Sakata, T. Imamura, S. Sakai, N. Terada, K. Keika, K. France, D. A. Brain
- Organizer
  Japan Geoscience Union Meeting 2022
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K03695
[Presentation] Plasmasphere formation at terrestrial rocky exoplanets around M-dwarf stars and its detectability: Possible evidence for the intrinsic magnetic field and thick atmosphere2022
- Author(s)
  K. Seki, A. Nakayama, R. Sakata, T. Nishioka, T. Imamura, S. Sakai, N. Terada, K. Keika, K. France, D. Brain
- Organizer
  American Geophysical Union Fall Meeting 2022
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K03695
[Presentation] LAPYUTA (Life-environmentology, Astronomy, and PlanetarY Ultraviolet Telescope Assembly) mission2022
- Author(s)
  F. Tsuchiya, G. Murakami, A. Yamazaki, T. Kimura, M. Kagitani, R. Koga, J. Kimura, N. Narita, S. Kameda, M. Ikoma, M. Ouchi, M. Tanaka, K. Masunaga, S. Sakai, C. Tao, M. Kuwabara, S. Toriumi
- Organizer
  Magnetospheres of the Outer Planets Meeting 2022
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K03695
[Presentation] Study of plasmasphere formation at terrestrial exoplanets around M-Dwarf stars and its detectability2022
- Author(s)
  関華奈子, 中山陽史, 坂田遼弥, 今村剛, 堺正太朗, 寺田直樹, 桂華邦裕, K. France, D. Brain
- Organizer
  第152回地球電磁気・地球惑星圏学会講演会
- Data Source
  KAKENHI-PROJECT-22K03695

1. 中川広務 (30463772)

# of Collaborated Projects: 1 results

# of Collaborated Products: 12 results
2. 吉田辰哉 (10938393)

# of Collaborated Projects: 1 results

# of Collaborated Products: 6 results
3. 青木翔平 (60773629)

# of Collaborated Projects: 1 results

# of Collaborated Products: 8 results
4. 中村勇貴 (40992459)

# of Collaborated Projects: 1 results

# of Collaborated Products: 5 results
5. TERADA Naoki

# of Collaborated Projects: 0 results

# of Collaborated Products: 5 results
6. 益永圭

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results
7. 中山陽史

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results
8. 関華奈子

# of Collaborated Projects: 0 results

# of Collaborated Products: 3 results
9. 横田勝一郎

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results

Sakai Shotaro 堺 正太朗

Research Projects

Research Products

Co-Researchers

Study on the atmospheric evolution of planets with Earth-like atmospheresPrincipal Investigator

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Influence of stellar spectra on the evolution of planetary atmospheresPrincipal Investigator

Principal Investigator

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New isotope obervations of Mars atmsopheric evolution: International collaboration of European and Japanese Mars exploration missions

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Research Institution

[Journal Article] C+ 133.5 nm Emission Mechanisms on Mars Revealed by the MAVEN Observations2024

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DOI

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[Journal Article] On the Periodic Variation of the Ion Density in the Martian Dayside Ionosphere During the Regional Dust Storm in September 20162024

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DOI

Data Source

[Journal Article] Reduced Water Loss due to Photochemistry on Terrestrial Planets in the Runaway Greenhouse Phase around Pre-main-sequence M Dwarfs2024

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DOI

Data Source

[Journal Article] Comprehensive comparison of two global multis-species MHD models of Mars2024

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DOI

Data Source

[Journal Article] A technique for retrieving the exospheric number density distribution from pickup ion ring distributions2024

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DOI

Data Source

[Journal Article] Effects of an intrinsic magnetic field on ion escape from ancient Mars based on MAESTRO multifluid MHD simulations2024

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DOI

Data Source

[Journal Article] Different Behavior of Density Perturbations Between Dayside and Nightside in the Martian Thermosphere and the Ionosphere Associated With Atmospheric Gravity Waves2024

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[Journal Article] Study of Atmospheric Ion Escape From Exoplanet TOI‐700 d: Venus Analogs2023

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[Journal Article] Photochemical and radiation transport model for extensive use (PROTEUS)2023

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DOI

Data Source

[Journal Article] Numerical Prediction of Changes in Atmospheric Chemical Compositions During a Solar Energetic Particle Event on Mars2023

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Data Source

[Journal Article] Strong Depletion of 13C in CO Induced by Photolysis of CO2 in the Martian Atmosphere, Calculated by a Photochemical Model?2023

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DOI

Data Source

[Journal Article] Enhanced ion escape rate during IMF rotation under weak intrinsic magnetic field conditions on a Mars-like planet2023

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Journal Title

Sakai Shotaro 堺正太朗