J-GLOBAL ID:202001012618953062   Update date: Jul. 17, 2024

Sugahara Yuma

スガハラ ユウマ | Sugahara Yuma
Affiliation and department:
Job title: 次席研究員
Other affiliations (1):
  • 国立天文台  アルマプロジェクト   特任研究員
Research field  (1): Astronomy
Research theme for competitive and other funds  (1):
  • 2018 - 2020 Galaxy Formation Proved by the Redshift Evolution of the Galactic-scale Outflows
Papers (41):
  • Shun Hatano, Masami Ouchi, Hiroya Umeda, Kimihiko Nakajima, Toshihiro Kawaguchi, Yuki Isobe, Shohei Aoyama, Kuria Watanabe, Yuichi Harikane, Haruka Kusakabe, et al. EMPRESS. XIV. Strong High-ionization Lines of Young Galaxies at z = 0-8: Ionizing Spectra Consistent with the Intermediate-mass Black Holes with M BH ∼ 103-106 M . Astrophysical Journal. 2024. 966. 2
  • Seiji Fujimoto, Masami Ouchi, Kimihiko Nakajima, Yuichi Harikane, Yuki Isobe, Gabriel Brammer, Masamune Oguri, Clara Giménez-Arteaga, Kasper E. Heintz, Vasily Kokorev, et al. JWST and ALMA Multiple-line Study in and around a Galaxy at z = 8.496: Optical to Far-Infrared Line Ratios and the Onset of an Outflow Promoting Ionizing Photon Escape. The Astrophysical Journal. 2024
  • Kuria Watanabe, Masami Ouchi, Kimihiko Nakajima, Yuki Isobe, Nozomu Tominaga, Akihiro Suzuki, Miho N. Ishigaki, Ken’ichi Nomoto, Koh Takahashi, Yuichi Harikane, et al. EMPRESS. XIII. Chemical Enrichment of Young Galaxies Near and Far at z ∼ 0 and 4-10: Fe/O, Ar/O, S/O, and N/O Measurements with a Comparison of Chemical Evolution Models. The Astrophysical Journal. 2024
  • Dragan Salak, Takuya Hashimoto, Akio K. Inoue, Tom J. L. C. Bakx, Darko Donevski, Yoichi Tamura, Yuma Sugahara, Nario Kuno, Yusuke Miyamoto, Seiji Fujimoto, et al. Molecular Outflow in the Reionization-epoch Quasar J2054-0005 Revealed by OH 119 μm Observations. The Astrophysical Journal. 2024
  • T. Hashimoto, J. Álvarez-Márquez, Y. Fudamoto, L. Colina, A. K. Inoue, Y. Nakazato, D. Ceverino, N. Yoshida, L. Costantin, Y. Sugahara, et al. Reionization and the ISM/Stellar Origins with JWST and ALMA (RIOJA): The Core of the Highest-redshift Galaxy Overdensity at z = 7.88 Confirmed by NIRSpec/JWST. Astrophysical Journal Letters. 2023. 955. 1
MISC (6):
  • 浦遼太, 橋本拓也, 久野成夫, 矢島秀伸, 井上昭雄, 菅原悠馬, 札本佳伸, FADDA Dario, 田村陽一, 萩本将都, et al. 電離光子放射天体Mrk54における[O III]88μmと[C II]158μmの検出とその意味-高赤方偏移ALMA研究への示唆 II. 日本天文学会年会講演予稿集. 2023. 2023
  • 菅原悠馬, 菅原悠馬, 徳岡剛史, 井上昭雄, 札本佳伸, 札本佳伸, 橋本拓也, 田村陽一. Tokult-重力レンズ効果を受けた銀河の回転運動解析コード. 日本天文学会年会講演予稿集. 2022. 2022
  • 徳岡剛史, 井上昭雄, 橋本拓也, ELLIS Richard S., LAPORTE Nicolas, 菅原悠馬, 松尾宏, 田村陽一, 札本佳伸, 森脇可奈, et al. 赤方偏移9.1の銀河MACS1149-JD1のALMA高空間分解能観測と回転運動解析. 日本天文学会年会講演予稿集. 2022. 2022
  • 橋本拓也, 井上昭雄, 菅原悠馬, 菅原悠馬, 札本佳伸, 札本佳伸, 藤本征史, 藤本征史, KIRSTEN Knudsen K., 松尾宏, et al. Big Three Dragons: Molecular Gas in a Bright Lyman-Break Galaxy at z = 7.15. 日本天文学会年会講演予稿集. 2022. 2022
  • 徳岡剛史, 井上昭雄, 橋本拓也, 山中郷史, 菅原悠馬, 札本佳伸, 田村陽一, 松尾宏, 吉田直紀. 重力レンズ効果を考慮した回転円盤モデルフィッティングコードの開発. 日本天文学会年会講演予稿集. 2021. 2021
Education (3):
  • 2017 - 2020 The University of Tokyo Graduate School of Science Department of Physics
  • 2015 - 2017 The University of Tokyo Graduate School of Science Department of Physics
  • 2011 - 2015 Kyoto University Faculty of Science Faculty of Science
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