OHSUGA Ken

オオスガケン | OHSUGA Ken

Affiliation and department：
Job title： Professor

Research field (1)： Astronomy

Research keywords (3)：輻射磁気流体力学シミュレーション , ブラックホール・降着円盤・宇宙ジェット , 超巨大ブラックホール形成論

Research theme for competitive and other funds (17)：

2024 - 2028 Investigating the disk structure around the black hole with two temperature GRRMHD simulations
2021 - 2026 高精度一般相対論的輻射輸送で探る超巨大ブラックホールの時空構造と起源
2021 - 2026 超大規模計算と超高精度観測で解き明かすブラックホールジェットの駆動機構と多様性
2020 - 2023 宇宙の構造形成と進化から惑星表層環境変動までの統一的描像の構築
2018 - 2022 Origin of Ultra Luminous X-ray Sources by Radiation Magnetohydrodynamics Simulations and Radiation Transfer Calculations

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Papers (114)：

Taichi Igarashi, Hiroyuki R. Takahashi, Tomohisa Kawashima, Ken Ohsuga, Yosuke Matsumoto, Ryoji Matsumoto. Radiation MHD Simulations of Soft X-Ray Emitting Regions in Changing Look AGN. The Astrophysical Journal. 2024. 968. 2. 121-121
Rohta Takahashi, Masayuki Umemura, Ken Ohsuga, Yuta Asahina, Rintaro Takeda, Mikiya M. Takahashi, Norita Kawanaka, Kohkichi Konno, Tomoaki Nagasawa. A Relativistic Formula for the Multiple Scattering of Photons. The Astrophysical Journal Letters. 2024. 967. 1. L10-L10
Ogata, Erika, Ohsuga, Ken, Fukushima, Hajime, Yajima, Hidenobu. Three-dimensional radiation hydrodynamics simulations of wandering intermediate-mass black holes considering the anisotropic radiation and dust sublimation. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY. 2024. 528. 2. 2588-2599
大須賀, 健. シミュレーションとチームワークで挑むコンパクト天体周囲の降着流・噴出流. The Astronomical Herald. 2023
Bachetti, Matteo, Middleton, Matthew J, Pinto, Ciro, Gurpide, Andres, Walton, Dominic J, Brightman, Murray, Lehmer, Bre, Roberts, Timothy P, Vasilopoulos, Georgios, et al. The high energy X-ray probe (HEX-P): studying extreme accretion with ultraluminous X-ray sources. FRONTIERS IN ASTRONOMY AND SPACE SCIENCES. 2023. 10

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MISC (5)：

Yoshida Tessei, Ebisawa Ken, Tsujimoto Masahiro, Ohsuga Ken, Nakagawa Yujin, Nomura Mariko. Spectral calculation through outflows around compact objects and its hydrodynamic simulation. 40th COSPAR Scientific Assembly. Held 2-10 August 2014, in Moscow, Russia, Abstract id. E1.5-54-14. 2014
Kawashima Tomohisa, Ohsuga Ken, Takabe Hideaki, Matsumoto Ryoji. Two-dimensional Radiation-hydrodynamic Simulations of Supercritical Accretion Flows with Comptonization. 2008. 2008. 387-387
S. Mineshige, K. Ohsuga. Modeling super-Eddington accretion flow. AIP Conference Proceedings. 2008. 1054. 25-32
Dominikus Heinzeller, Wolfgang J. Duschl, Shin Mineshige, Ken Ohsuga. Black hole accretion: Theoretical limits and observational implications. Proceedings of the International Astronomical Union. 2006. 2. 238. 153-157
Shin Mineshige, Yoshiaki Kato, Ken Ohsuga, Norita Kawanaka. Magnetized accretion flow, jets, and coronae. AIP Conference Proceedings. 2005. 801. 147-152

Books (10)：

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Lectures and oral presentations (429)：

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Education (2)：

Work history (6)：

2018/04 - 現在 University of Tsukuba Center for Computational Sciences
2018/04 - 2020/03 National Astronomical Observatory of Japan
2008/09 - 2018/03 National Astronomical Observatory of Japan Division of Theoretical Astronomy
2007/04 - 2008/08 理化学研究所基礎科学特別研究員
2004/04 - 2007/03 Rikkyo University College of Science

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Committee career (9)：

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Awards (3)：

2023/03 - 公益社団法人日本天文学会日本天文学会林忠四郎賞コンパクト天体周囲の降着流と噴出流の先駆的シミュレーション研究
2012 - 講談社科学出版賞ゼロからわかるブラックホール(講談社ブルーバックス)
2012 - 日本天文学会欧文研究報告論文賞 Global Radiation-Magnetohydrodynamic Simulations of Black Hole Accretion Flow and Outflow: Unified Model of Three States

Association Membership(s) (2)：

理論天文学宇宙物理学懇談会 , 日本天文学会

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