Rchr
J-GLOBAL ID：202201004473117599
Update date: Jun. 08, 2024
Ikuta Kai
イクタ カイ | Ikuta Kai
Affiliation and department：
Homepage URL (1)：
https://github.com/KaiIkuta
Research field (1)：
Astronomy
Research keywords (3)：
Stellar magnetic activity
, Hunting exoplanets
, Astrostatistics
Research theme for competitive and other funds (2)：
- 2024 - 2027 恒星スーパーフレアの発現から帰結までの観測による統一的理解
- 2024 - 2027 データ科学と測光分光観測による恒星表面磁気活動の探査
Papers (23)：
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Yasunori Hori, Akihiko Fukui, Teruyuki Hirano, Norio Narita, Jerome P. de Leon, Hiroyuki Tako Ishikawa, Joel D. Hartman, Giuseppe Morello, Nestor Abreu García, Leticia Álvarez Hernández, et al. The Discovery and Follow-up of Four Transiting Short-period Sub-Neptunes Orbiting M Dwarfs. The Astronomical Journal. 2024. 167. 6. 289-289
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Masayuki Kuzuhara, Akihiko Fukui, John H. Livingston, José A. Caballero, Jerome P. de Leon, Teruyuki Hirano, Yui Kasagi, Felipe Murgas, Norio Narita, Masashi Omiya, et al. Gliese 12 b: A Temperate Earth-sized Planet at 12 pc Ideal for Atmospheric Transmission Spectroscopy. The Astrophysical Journal Letters. 2024. 967. 2. L21-L21
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Michaël Gillon, Peter P. Pedersen, Benjamin V. Rackham, Georgina Dransfield, Elsa Ducrot, Khalid Barkaoui, Artem Y. Burdanov, Urs Schroffenegger, Yilen Gómez Maqueo Chew, Susan M. Lederer, et al. Detection of an Earth-sized exoplanet orbiting the nearby ultracool dwarf star SPECULOOS-3. Nature Astronomy. 2024
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K. Barkaoui, R. P. Schwarz, N. Narita, P. Mistry, C. Magliano, T. Hirano, M. Maity, A. J. Burgasser, B. V. Rackham, F. Murgas, et al. Three short-period Earth-sized planets around M dwarfs discovered by TESS: TOI-5720b, TOI-6008b and TOI-6086b. 2024
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Mayuko Mori, Kai Ikuta, Akihiko Fukui, Norio Narita, Jerome P de Leon, John H Livingston, Masahiro Ikoma, Yugo Kawai, Kiyoe Kawauchi, Felipe Murgas, et al. Characterization of starspots on a young M-dwarf K2-25: multiband observations of stellar photometric variability and planetary transits. Monthly Notices of the Royal Astronomical Society. 2024
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MISC (3)：
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Ikuta Kai, Maehara Hiroyuki, Notsu Yuta, Namekata Kosuke, Kato Taichi, Okamoto Soshi, Notsu Shota. Starspot mapping with parallel tempering for M-dwarf flare stars. 2021
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Yuta Notsu, Adam F. Kowalski, Hiroyuki Maehara, Kosuke Namekata, Satoshi Honda, Teruaki Enoto, Kenji Hamaguchi, Isaiah Tristan, Suzanne L. Hawley, James R. A. Davenport, et al. Blue asymmetries in Balmer lines during mid M dwarf flares. 2021
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Kosuke Namekata, Takahito Sakaue, Kyoko Watanabe, Ayumi Asai, Hiroyuki Maehara, Yuta Notsu, Shota Notsu, Satoshi Honda, Takako T. Ishii, Kai Ikuta, et al. Statistical Study of Solar White-light Flares and Comparison with Superflares on Solar-type Stars. 2018
Lectures and oral presentations (10)：
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Starspot mapping and multi-wavelength variability for a young solar-type star
(日本天文学会年会講演予稿集 2024)
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ポストフレアループに注目した2023/8/5 X1.6フレアのSun-as-a-star解析
(日本天文学会年会講演予稿集 2024)
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スパースモデリングによる恒星表面マッピング
(日本天文学会年会講演予稿集 2023)
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多色測光観測による若いM型星K2-25の磁気活動とその惑星トランジット観測への影響調査
(日本天文学会年会講演予稿集 2023)
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データ科学による恒星表面マッピング
(日本天文学会年会講演予稿集 2023)
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Professional career (1)：
- Doctor of Science (Kyoto University)
Association Membership(s) (2)：
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