Rchr
J-GLOBAL ID:200901089969775033   Update date: Oct. 07, 2025

Kohmura Takayoshi

コウムラ タカヨシ | Kohmura Takayoshi
Affiliation and department:
Job title: Professor
Homepage URL  (1): https://www.rs.tus.ac.jp/tkohmura/
Research field  (1): Astronomy
Research keywords  (1): Astrophysics, X-ray Astronomy, X-ray detector, X-ray CCD, Neutron Star
Research theme for competitive and other funds  (15):
  • 2024 - 2025 広帯域高感度宇宙X線観測用CMOSの開発
  • 2022 - 2025 Development of X-ray CMOS sensor with high sensitivity and wide energy coverage in X-ray for the space use
  • 2013 - 2018 Development of X-ray Astronomy SOI Pixel Sensor for Study of First Black Holes
  • 2013 - 2018 Development and demonstration of ultra large and high sensitivity X-ray CCD coated with visible and UV light blocking film
  • 2012 - 2017 Search for X/gamma radiation from gravitational wave sources
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Papers (117):
  • Kaito Ninoyu , Keisuke Uchiyama , Shinya Yamada , Ryota Hayakawa , Shunji Kitamoto , Nao Kominato , Takayoshi Kohmura , Misaki Mizumoto , Yuusuke Uchida , Toru Tamagawa , Ryota Tomaru , Seoru Ito. First detection of X-ray polarization and its short-term increase pre- and post-eclipse in the high-mass X-ray binary 4U 1700-377. PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN. 2025. 00. 1-6
  • Ninoyu, Kaito., Yamada, Shinya., Uchida, Yuusuke., Igarashi, Taichi ., Hayakawa,., Kohmura, Takayoshi. X-Ray Polarization Variability during a Few Hz Quasiperiodic Oscillations in Swift J1727.8-1613 Observed with IXPE. ASTROPHYSICAL JOURNAL. 2025. 985. 1. 69-80
  • H. Uchida, K. Mori , H. Tomida, H. Nakajima, H. Noda, T. Tanaka, H. Murakami, H. Suzuki, S. B. Kobayashi, T. Yoneyama, K. Hagino, K.K.Nobukawa, H. Uchiyama, M. Nobukawa, H. Matsumoto, T.G. Tsuru, M. Yamauchi, I. Hatsukade, H. Odaka, T. Kohmura, K. Yamaoka, T. Yoshida, Y. Kanemaru, D. Ishi, T. Dotani, M. Ozaki, H. Tsunemi, et al. In-orbit performance of the soft X-ray imaging telescope Xtend aboard XRISM. PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN. 2025. 00. 1-16
  • Hannah Gulick, Hiroki Yoneda, Tadayuki Takahashi, Claire Chen, Kazuhiro Nakazawa, Shunsaku Nagasawa, Mii Ando, Keigo Okuma, Alyson Joens, Samer Al Nussirat, et al. A study of afterglow signatures in NaI and CsI scintillator modules for the background and transient observer instrument on COSI. Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. 2025. 561. 165631-165631
  • Noda, H., Mori, K., Tomida, H., Nakajima, H.,Tanaka, T., Murakami, H.,Uchida,H.,Suzuki,H., Kobayashi, S., Yoneyama, T., Hagino, K., Nobukawa, K., Uchiyama, H., Nobukawa, M., Matsumoto,H., Tsuru, T., Yamauchi, M., Hatsukade, I., Odaka, H., Kohmura, T., et al. Soft X-ray Imager of the Xtend system on board XRISM. PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN. 2025
more...
MISC (299):
  • Fukushima, K., Noda, H., Kanemaru, Y., Ogawa, S., Audard, M., Behar, E.,Inoue, S., Ishihara, Y., Kohmura, T., Maeda, Y., Matsumoto, H., Mizumoto, M.,Mori, K., Nagashima, N., Nobukawa, M., Pottschmidt, K., Shidatsu, M., Sugai, H.,Takagi, T., Takahashi, H., Terada, Y., Terashima, Y., Tsuboi, Y., Uchida, H.,Yoneyama, T., Yoshimoto, M. XRISM/Xtend Transient Search (XTS) detected multiple stellar flares from WOH S 423. The Astronomer's Telegram. 2025. 17209
  • Terada, Y. ., Fukushima, K. ., Kanemaru, Y. ., Ogawa, S. ., Audard, M. ., Behar, E. ., Inoue, S. ., Ishihara, Y. ., Kohmura, T. ., Maeda, Y. ., Matsumoto, H. ., Mizumoto, M. ., Mori, K. ., Nagashima, N. ., Nobukawa, M. ., Noda, H. ., Pottschmidt, K. ., Shidatsu, M. ., Sugai, H. ., Takagi, T. ., Takahashi, H. ., Terashima, Y. ., Tsuboi, Y. ., Uchida, H. ., Yoneyama, T. ., Yoshimoto, M. ., Katsuda, S. XRISM/Xtend Transient Search (XTS) detected an X-ray flare from XRISM J0534-6600 in BSDL 2344 region of LMC. The Astronomer's Telegram. 2025. 17214
  • Yoshimoto, M., Fukushima, K., Kanemaru, Y., Ogawa, S., Audard, M., Behar, E., Inoue, S., Ishihara, Y., Kohmura, T., Maeda, Y., Matsumoto, H., Mizumoto, M., Mori, K., Nagashima, N., Nobukawa, M., Noda, H., Pottschmidt, K., Shidatsu, M., Sugai, H., Takagi, T., Takahashi, H., Terada, Y., Terashima, Y., Tsuboi, Y., Uchida, H., Yoneyama, T. XRISM/Xtend Transient Search (XTS) detected an X-ray flare from an AGN candidate. The Astronomer's Telegram. 2025. 17117
  • Ishihara, Y., Fukushima, K., Kanemaru, Y., Ogawa, S., Audard, M., Behar, E., Inoue, S., Kohmura, T., Maeda, Y., Mizumoto, M., Nagashima, N., Nobukawa, M., Pottschmidt, K., Shidatsu, M., Sugai, H., Terada, Y., Terashima, Y., Tsuboi, Y., Uchida, H., Yoneyama, T., Yoshimoto, M. XRISM/Xtend Transient Search (XTS) detected an X-ray flare from an eclipsing binary. The Astronomer's Telegram. 2025. 17145
  • Sugai, H., Fukushima, K., Hayashi, K., Kanemaru, Y., Ogawa, S., Yoshida, T., Audard, M., Behar, E., Inoue, S., Ishihara, Y., Kohmura, T., Maeda, Y., Mizumoto, M., Nagashima, N., Nobukawa, M., Pottschmidt, K., Shidatsu, M., Terada, Y., Terashima, Y., Tsuboi, Y., Uchida, H., Yoneyama, T., Yoshimoto, M., Fujita, Y. XRISM/Xtend Transient Search (XTS) detected an X-ray flare from a YSO. The Astronomer's Telegram. 2025. 17136
more...
Books (1):
  • 物理学実験
    学術図書出版 2006
Lectures and oral presentations  (343):
  • 超高層大気を観測するISS搭載X線SOI-CMOSピクセル検出器カメラの開発(3)
    (日本物理学会第80回年次大会 2025)
  • 月面の元素マッピングを行う小型衛星用X線SOIカメラの開発
    (日本物理学会第80回年次大会 2025)
  • X線天体観測用イベント駆動型SOIピクセル検出器の大面積素子の性能評価
    (日本物理学会第80回年次大会 2025)
  • ISS曝露部搭載のX線SOI-CMOSピクセル検出器XRPIXで探る超高層大気の観測計画 (2)
    (日本物理学会第80回年次大会 2025)
  • 月環境放射線エネルギースペクトロメータLunar-RICheS搭載宇宙線高エネルギー計測装置の開発状況
    (日本物理学会第80回年次大会 2025)
more...
Works (2):
  • 輻射輸送を考慮した衝突輻射モデルによる星のX線放射機構の解明
    2004 - 2007
  • X線の短時間変動とX線による直接撮像で迫るブラックホールへの物質流入の研究
    2004 - 2006
Education (3):
  • - 2002 Osaka University Graduate School, Division of Natural Science Earth and Space Science
  • - 2002 Osaka University Graduate School, Division of Natural Science Earth and Space Science
  • - 1997 Osaka University Faculty of Science Earth and Space Science
Professional career (1):
  • Doctorate in Science (Osaka University)
Work history (7):
  • 2019/04 - Tokyo University of Science Physics, Faculty of Science and Technology
  • 2014/04 - 2019/03 Tokyo University of Science Physics, Faculty of Science and Technology
  • 2011 - 2014 工学院大学基礎教養教育部門 准教授
  • 2008 - 2011 Kogakuin University Faculty of Engineering
  • 2003 - 2008 Kogakuin University Faculty of Engineering
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Committee career (5):
  • 2024/09/01 - 2025/03/31 応用物理学会 応用物理学会2025年春季学術講演会現地実行委員
  • 2017/04/01 - 2018/03/31 日本物理学会 日本物理学会年次大会実行委員会委員
  • 2015/04/01 - 2017/03/31 高エネルギー宇宙物理連絡会 運営委員
  • 2011/01 - 2013/01 日本天文学会 学会理事等
  • 2007/01 - 2013/01 日本天文学会 年会実行委員
Association Membership(s) (3):
高エネルギー宇宙物理連絡会 ,  日本物理学会 ,  The Astronomical Society of Japan
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