Rchr
J-GLOBAL ID：201701000073608911
Update date: Apr. 25, 2024
Koga Ryoichi
コガ リョウイチ | Koga Ryoichi
Affiliation and department：
Job title：
Project Assistant Professor
Research field (2)：
Astronomy
, Space and planetary science
Research keywords (2)：
Io
, Jupiter
Research theme for competitive and other funds (5)：
- 2022 - 2025 木星衛星イオの環境を想定した二酸化硫黄の霜の生成・成長実験および中間赤外測定
- 2023 - 2024 Observation of atmosphere and volcanic gas eruptions on Jupiter's moons
- 2021 - 2024 Observation of the atmosphere and volcanic gas originated from Jupiter moons
- 2020 - 2024 Joint research for Jovian icy moons - space plasma interaction
- 2019 - 2021 Source and escape processes of Jupiter moon Io's atmosphere
Papers (13)：
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Ryoichi Koga, Shohei Negishi, Biao Zhao, Yuan Li, Fumiyuki Ito, Yasumasa Kasaba, Yasuhiro Hirahara. Mid-infrared imaging spectroscopic measurements of C2H4 frost simulating the outer solar system environments. Earth, Planets and Space. 2024
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Fuminori Tsuchiya, Yasumasa Kasaba, Ichiro Yoshikawa, Go Murakami, Atsushi Yamazaki, Kazuo Yoshioka, Tomoki Kimura, Chihiro Tao, Ryoichi Koga, Hajime Kita, et al. Major results from the Hisaki mission and future perspectives. 2023
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H. T. Smith, R. Koga, F. Tsuchiya, V. J. Dols. Insight Into Io Enabled by Characterization of Its Neutral Oxygen Torus. Journal of Geophysical Research: Space Physics. 2022. 127. 8
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Hiroshi Maeshima, Kosei Matsumoto, Yasuhiro Hirahara, Takao Nakagawa, Ryoichi Koga, Yusuke Hanamura, Takehiko Wada, Koichi Nagase, Shinki Oyabu, Toyoaki Suzuki, et al. Infrared Absorption and Its Sources of CdZnTe at Cryogenic Temperature. Journal of Electronic Materials. 2022. 51. 2. 564-576
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Ryoichi Koga, Tatsuya Suzuki, Fuminori Tsuchiya, Takeshi Sakanoi, Yasuhiro Hirahara. ALMA Observation of SO2 Gas Originating from Io’s Volcanic Plume and Lava Areas. The Astrophysical Journal. 2021. 907. 1. L6-L6
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MISC (10)：
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土屋史紀, 米田瑞生, 古賀亮一. 衛星イオの火山活動と 磁気圏へのガス散逸. 第5回衛星系研究会:冥王星系の起源. 2017
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古賀亮一, 土屋史紀, 鍵谷将人, 坂野井健, 米田瑞生, 吉川一朗, 吉岡和夫, 村上豪, 山崎敦, 木村智樹. ひさき衛星によって観測された木星衛星イオの酸素原子中性雲の空間分布. 地球電磁気・地球惑星圏学会総会及び講演会(Web). 2017. 142nd. ROMBUNNO.R009-04 (WEB ONLY)
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土屋史紀, 古賀亮一, 米田瑞生, 吉岡和夫, 木村智樹, 村上豪, 吉川一郎, 山崎敦. 衛星イオから木星磁気圏へのプラズマ供給過程. 太陽惑星系宇宙プラズマ中の重イオンに関する研究集会集録. 2017
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R. Koga, F. Tsuchiya, M. Kagitani, T. Sakanoi, M. Yoneda, I. Yoshikawa, K. Yoshioka, G. Murakami, A, Yamazaki, T. Kimura. Time variation of 130.4nm atomic oxygen emission near Io observed by Hisaki/EXCEED. Proceedings of Symposium on Planetary Science 2016. 2016. SPS2016_35
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古賀亮一, 土屋史紀, 鍵谷将人, 坂野井健, 米田瑞生, 吉川一朗, 吉岡和夫, 村上豪, 山崎豪, 木村智樹. ひさき衛星によるイオ周辺の酸素原子130.4nm発光の時間変動解析. 日本天文学会年会講演予稿集. 2016. 2016. 57
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Lectures and oral presentations (3)：
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The spatial distribution of atomic oxygen emission at 130.4 nm around Io's orbit observed by Hisaki/EXCEED
(Magnetoshpheres of the Outer Planets 2017 2017)
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Time and spatial variations of atomic oxygen emission around Io observed with Hisaki/EXCEED
(JpGU-AGU Joint Meeting 2017 2017)
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Time variation of 130.4 nm atomic oxygen emission near Io observed by Hisaki/EXCEED
(AGU Fall meeting 2016 2016)
Education (3)：
- 2017 - 2020 東北大学大学院 理学研究科 地球物理学専攻
- 2015 - 2017 東北大学大学院 理学研究科 地球物理学専攻
- 2011 - 2015 Tohoku University
Professional career (3)：
- Bachelor (Tohoku University)
- Master (Tohoku University)
- PhD (Tohoku University)
Work history (3)：
- 2024/04 - 現在 Nagoya City University School of Data Science Project Assistant Professor
- 2021/04 - 2024/03 Nagoya University Graduate School of Environmental Studies Department of Earth and Environmental Sciences JSPS Research Fellowship for Young Scientists
- 2020/04 - 2021/03 Nagoya University Graduate School of Environmental Studies Department of Earth and Environmental Sciences JSPS Research Fellowship for Young Scientists
Awards (1)：
- 2019/12 - Society of Geomagnetism and Earth, Planetary and Space Sciences (SGEPSS) Student Presentation Award (Aurora Medal)
Association Membership(s) (3)：
SGEPSS
, Japan Geoscience Union
, The Astronomical Society of Japan
