Rchr
J-GLOBAL ID:202101018001875655
Update date: Oct. 31, 2024
Kawashima Tomohisa
カワシマ トモヒサ | Kawashima Tomohisa
Affiliation and department:
Research field (2):
Theoretical studies related to particle-, nuclear-, cosmic ray and astro-physics
, Astronomy
Research keywords (8):
ブラックホール
, 降着流
, 相対論的ジェット
, 一般相対論的輻射輸送計算
, 一般相対論的磁気流体・輻射磁気流体シミュレーション
, 相対論的プラズマ
, 宇宙線
, 高エネルギー・ニュートリノ
Research theme for competitive and other funds (12):
- 2024 - 2027 Time Variations of Radiation Spectrum and Polarization in Black Hole Accretion Flows Supported by Azimuthal Magnetic Fields
- 2023 - 2027 Spin measurement of supermassive black holes and verification of rotational-energy extraction mechanism via magnetic field
- 2023 - 2026 一般相対論的な多波長輻射・ニュートリノ計算で解明するブラックホールの観測的特徴
- 2022 - 2026 中性子星の広帯域X線偏光観測により切り拓く超強磁場の物理
- 2019 - 2023 Understanding strong magnetic fields and radiative processes on the surfaces of neutron stars with semiconductor X-ray polarimeters
- 2018 - 2023 一般相対論的な輻射・偏光輸送計算で探る降着ブラックホール・中性子星の質量とスピン
- 2019 - 2022 Hard X-ray polarimetric observations of relativistic effects around super-massive black holes
- 2018 - 2021 Study of driving mechanism of black hole jets by general relativistic radiative transfer and VLBI observations
- 2016 - 2019 Formation of X-ray Emitting Regions and the Origin of Time Variabilities in Accretion Flow onto a Supermassive Black Hole
- 2015 - 2018 Study of various black hole outflows by three-dimensional radiation-magnetohydrodynamics simulations
- 2014 - 2018 Educational activities and its evaluation using the Galactic Center Supermassive Black Hole Sgr A * Events
- 2010 - 2011 超臨界降着流・噴出流の輻射輸送および輻射磁気流体シミュレーション
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Papers (79):
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Tomohisa Kawashima, Yuh Tsunetoe, Ken Ohsuga, Motoki Kino, Yosuke Mizuno, Kotaro Moriyama, Hiromi Saida, Kazunori Akiyama, Kazuhiro Hada, Kotaro Niinuma. Black hole spacetime and properties of accretion flows and jets probed by Black Hole Explorer: science cases proposed by BHEX Japan team. Space Telescopes and Instrumentation 2024: Optical, Infrared, and Millimeter Wave. 2024. 201-201
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Kazunori Akiyama, Kotaro Niinuma, Kazuhiro Hada, Akihiro Doi, Yoshiaki Hagiwara, Aya Higuchi, Mareki Honma, Tomohisa Kawashima, Dimitar Kolev, Shoko Koyama, et al. The Japanese vision for the Black Hole Explorer mission. Space Telescopes and Instrumentation 2024: Optical, Infrared, and Millimeter Wave. 2024. 91-91
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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
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The Event Horizon Telescope Collaboration, Kazunori Akiyama, Antxon Alberdi, Walter Alef, Juan Carlos Algaba, Richard Anantua, Keiichi Asada, Rebecca Azulay, Uwe Bach, Anne-Kathrin Baczko, et al. First Sagittarius A* Event Horizon Telescope Results. VIII. Physical Interpretation of the Polarized Ring. The Astrophysical Journal Letters. 2024. 964. 2. L26-L26
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The Event Horizon Telescope Collaboration, Kazunori Akiyama, Antxon Alberdi, Walter Alef, Juan Carlos Algaba, Richard Anantua, Keiichi Asada, Rebecca Azulay, Uwe Bach, Anne-Kathrin Baczko, et al. First Sagittarius A* Event Horizon Telescope Results. VII. Polarization of the Ring. The Astrophysical Journal Letters. 2024. 964. 2. L25-L25
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Lectures and oral presentations (23):
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ブラックホール近傍のプラズマ降着流・噴出流のダイナミクスと観測的特徴
(「自然科学における階層と全体」シンポジウム 2022)
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一般相対論的輻射輸送計算で探るブラックホール降着流・ジェットの観測的特徴:現状と今後の展望
(超巨大ブラックホール研究会 2021)
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General relativistic radiative transfer in accretion flows and jets: Probing black hole spacetime and plasma dynamics
(The 30th International Toki Conference on Plasma and Fusion Research, 2021)
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EHT時代のブラックホール天文学:多波長輻射輸送計算を中心に
(令和2年度 国立天文台天文シミュレーションプロジェクト ユーザーズミーティング 2021)
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Event Horizon Telescope時代のブラックホール天文学: 輻射輸送・磁気流体・プラズマ微視的過程研究の現状と将来展望
(第37回プラズマ・核融合学会 年会 2020)
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Association Membership(s) (6):
宇宙電波懇談会
, 高エネルギー宇宙物理学連絡会
, 理論天文学・宇宙物理学懇談会
, International Astronomical Union (IAU)
, 日本物理学会
, 日本天文学会
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