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大須賀健

Ohsuga, Ken

計算科学研究センター , 教授
Center for Computational Sciences , Professor

https://www2.ccs.tsukuba.ac.jp/people/ohsuga/index.html

オープンアクセス版の論文は「つくばリポジトリ」で読むことができます。

1. Resolving the Multiple Component Outflows in PG 1211+143. II. The Soft X-Ray View of the Ultrafast Outflow James N. Reeves; Valentina Braito; Misaki Mizumoto; Steven B. Kraemer (+14 著者) Omer Reich
The Astrophysical Journal 1000: 170 (2026) Semantic Scholar
2. Clumpy outflows from super-Eddington accreting black holes. I. Radiation hydrodynamics simulations and observational implications Hu, Haojie; Asahina, Yuta; Yoshioka, Shogo; Takahashi, Hiroyuki R.Ohsuga, Ken
PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN (2026) Semantic Scholar
3. Resolving the Multiple Component Outflows in PG 1211+143. I. The Fe-K Absorption Structure and UFO Forest Mizumoto, Misaki; Reeves, James N.; Braito, Valentina; Behar, Ehud (+13 著者) Somenzi, Paolo
ASTROPHYSICAL JOURNAL 997: 219 (2026) Semantic Scholar
4. A Relativistic Formula for Radiation Intensity of Multiply Scattered Photons Takeda, Rintaro; Takahashi, Rohta; Ohsuga, Ken
ASTROPHYSICAL JOURNAL 998: (2026) Semantic Scholar
5. GPU-Accelerated General Relativistic Radiation MHD Simulations with M-1 Closure Ryohei Kobayashi; Hiroyuki R. Takahashi; Akira Nukada; Yuta Asahina (+1 著者) Ken Ohsuga
Journal of Information Processing 34: 149 (2026) Semantic Scholar
6. Black hole spin estimation with time-variable image of M 87 during the flaring state Mikiya M Takahashi; Tomohisa Kawashima; Ken Ohsuga
Publications of the Astronomical Society of Japan (2025)
7. Constraining the corona geometry of Cyg X-1 with broad-band spectrum and polarimetric analysis based on observations in 2022 May Zhang, Sixuan; Mizuno, Tsunefumi; Kawashima, Tomohisa; Done, Chris (+4 著者) Ohsuga, Ken
PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN (2025)
8. The Convergence of Heavy and Light Seeds to Overmassive Black Holes at Cosmic Dawn Hu, Haojie; Inayoshi, Kohei; Haiman, Zoltan; Ho, Luis C.Ohsuga, Ken
ASTROPHYSICAL JOURNAL LETTERS 983: (2025) Semantic Scholar
9. GPU演算加速による一般相対論的輻射磁気流体シミュレーションコードの性能評価小林, 諒平; 高橋, 博之; 額田, 彰; 朝比奈, 雄太 (+1 著者) 大須賀, 健
情報処理学会研究報告 2025-HPC-198: 1 (2025)
10. Accelerating General Relativistic Radiation Magnetohydrodynamic Simulations with GPUs Ryohei Kobayashi; Hiroyuki R. Takahashi; Akira Nukada; Yuta Asahina (+1 著者) Ken Ohsuga
Proceedings of the International Conference on High Performance Computing in Asia-Pacific Region 72 (2025) Semantic Scholar
11. GR-RMHD Simulations of Super-Eddington Accretion Flows onto a Neutron Star with Dipole and Quadrupole Magnetic Fields Akihiro Inoue; Ken Ohsuga; Hiroyuki R. Takahashi; Yuta AsahinaMatthew J. Middleton
The Astrophysical Journal 977: 10 (2024) Semantic Scholar
12. Radio Images inside Highly Magnetized Jet Funnels Based on Semianalytic GRMHD Models Taiki Ogihara; Tomohisa Kawashima; Ken Ohsuga
The Astrophysical Journal 969: 22 (2024) Semantic Scholar
13. Radiation MHD Simulations of Soft X-Ray Emitting Regions in Changing Look AGN Taichi Igarashi; Hiroyuki R. Takahashi; Tomohisa Kawashima; Ken Ohsuga (+1 著者) Ryoji Matsumoto
The Astrophysical Journal 968: 121 (2024) Semantic Scholar
14. A Relativistic Formula for the Multiple Scattering of Photons Rohta Takahashi; Masayuki Umemura; Ken Ohsuga; Yuta Asahina (+4 著者) Tomoaki Nagasawa
The Astrophysical Journal Letters 967: L10 (2024) Semantic Scholar
15. Three-dimensional radiation hydrodynamics simulations of wandering intermediate-mass black holes considering the anisotropic radiation and dust sublimation Ogata, Erika; Ohsuga, Ken; Fukushima, Hajime; Yajima, Hidenobu
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY 528: 2588 (2024) Semantic Scholar
16. 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・噴出流大須賀, 健
The Astronomical Herald (2023)
17. The high energy X-ray probe (HEX-P): studying extreme accretion with ultraluminous X-ray sources Bachetti, Matteo; Middleton; Matthew J; Pinto, Ciro (+24 著者) Wolter, Anna
FRONTIERS IN ASTRONOMY AND SPACE SCIENCES 10: (2023) Semantic Scholar
18. Decomposing the Spectrum of Ultraluminous X-Ray Pulsar NGC 300 ULX-1 Kobayashi; Shogo B; Noda, Hirofumi; Enoto, Teruaki (+2 著者) Ohsuga, Ken
ASTROPHYSICAL JOURNAL 955: 124 (2023) Semantic Scholar
19. Precessing jet nozzle connecting to a spinning black hole in M87 Cui, Yuzhu; Hada, Kazuhiro; Kawashima, Tomohisa; Kino, Motoki (+80 著者) Zhong, Weiye
NATURE 621: 711 (2023) Semantic Scholar
20. Modeling of Thermal Emission from ULX Pulsar Swift J0243.6+6124 with General Relativistic Radiation MHD Simulations Akihiro Inoue; Ken Ohsuga; Hiroyuki R. Takahashi; Yuta Asahina
The Astrophysical Journal 952: 62 (2023) Semantic Scholar

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1. 第５章〜第８章、付録大須賀, 健
日本評論社 2024年1月 (ISBN: 4535603448)
2. ブラックホールをのぞいてみたら大須賀,健
KADOKAWA 2022年3月 (ISBN: 4044006989)
3. 世界一やさしいブラックホールの話大須賀, 健 (担当:監修, 範囲:世界一やさしいブラックホールの話)
宝島社 2021年4月 (ISBN: 4299015568)
4. 数式を使わない物理学入門大須賀, 健; 猪木正文 (担当:監修, 範囲:数式を使わない物理学入門)
KADOKAWA 2020年5月 (ISBN: 4044005710)
5. 4.6.2 標準円盤モデル, 4.6.3 移流優勢降着流, 4.6.7 降着円盤の輻射流体力学高原文郎; 家正則; 小玉英雄; 高橋忠幸; 大須賀, 健 (担当:分担執筆, 範囲:宇宙物理学ハンドブック)
講談社 2020年2月 (ISBN: 4254131275)
6. ブラックホールをのぞいてみたら大須賀,健
KADOKAWA 2017年7月 (ISBN: 4041061849)
7. 宇宙のふしぎ最前線! 謎だらけの宇宙にいどむ大須賀,健
講談社 2017年7月 (ISBN: 4062206722)
8. １１章：ブラックホール大須賀, 健; 谷口義明 (担当:分担執筆, 範囲:新・天文学事典)
講談社 2013年3月 (ISBN: 9784062578066)
9. ゼロからわかるブラックホール大須賀,健
講談社 2011年6月 (ISBN: 9784062577281)
10. 光速ジェット最前線「高エネルギージェット」大須賀, 健; 福江純; 粟野由美 (担当:分担執筆, 範囲:宇宙はどこまで明らかになったのか)
ソフトバンククリエイティブ 2007年6月 (ISBN: 9784797337310)