Rchr
J-GLOBAL ID：202201004473117599
Update date: Sep. 15, 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 Unified Understanding of Stellar Superflares from Onset to Consequences by Observation
- 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 (27)：
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A. Peláez-Torres, E. Esparza-Borges, E. Pallé, H. Parviainen, F. Murgas, G. Morello, M. R. Zapatero-Osorio, J. Korth, N. Narita, A. Fukui, et al. Validation of up to seven TESS planet candidates through multi-colour transit photometry using MuSCAT2 data. 2024
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Takato Otsu, Ayumi Asai, Kai Ikuta, Kazunari Shibata. Sun-as-a-star Analysis of the X1.6 Flare on 2023 August 5: Dynamics of Post-flare Loops in Spatially Integrated Observational Data. 2024
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Yuya Hayashi, Norio Narita, Akihiko Fukui, Quentin Changeat, Kiyoe Kawauchi, Kai Ikuta, Enric Palle, Felipe Murgas, Hannu Parviainen, Emma Esparza-Borges, et al. Low abundances of TiO and VO on the Dayside of KELT-9 b: Insights from Ground-Based Photometric Observations. 2024
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Judith Korth, Priyanka Chaturvedi, Hannu Parviainen, Ilaria Carleo, Michael Endl, Eike W. Guenther, Grzegorz Nowak, Carina M. Persson, Phillip J. MacQueen, Alexander J. Mustill, et al. TOI-1408: Discovery and Photodynamical Modeling of a Small Inner Companion to a Hot Jupiter Revealed by Transit Timing Variations. The Astrophysical Journal Letters. 2024. 971. 2. L28-L28
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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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MISC (4)：
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IKUTA Kai, NARITA Norio, NARITA Norio, TAKARADA Takuya, TAKARADA Takuya, HIRANO Teruyuki, HIRANO Teruyuki, FUKUI Akihiko, KODAMA Takanori, KIMURA Tadahiro, et al. Characterization of transiting sub-Neptune and outer giant planet candidate around mid-M dwarf TOI-654. 日本地球惑星科学連合大会予稿集(Web). 2023. 2023
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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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