Takumi Ohmura (大村 匠)

I am postdoctoral fellow at the Institute for Cosmic Ray Research (ICRR), The University of Tokyo, Japan. My research is focused on dynamics and mechanism of high energy emission from the astrophysical jets.

Research field:

  • Theoretical Astrophysics

  • Magetohydrodynamics

  • Computational Astrophysics

  • Plasma Physics

News

  • [Publication] 5/6/2021, Chibueze, Sakemi, Ohmura et al. "Jets from MRC 0600-399 bent by magnetic fields in the cluster Abell 3376", Nature 593, 47-50, Corresponding Author, doi: https://doi.org/10.1038/s41586-021-03434-1

  • [Talk] 3/16/2021, W12b, "W50/SS433の構造形成に関する磁気流体計算 IV", 日本天文学会2021年春季年会

  • [Talk] 3/16/2021, Z320a, "CANS+によるAGNジェット伝播の高空間分解能MHD数値実験", 日本天文学会2021年春季年会

  • [Talk] 3/2/2021, "Simulations of two-temperature jets in galaxy cluster", Takumi Ohmura, 輻射磁気流体計算に基づく活動銀河中心核状態遷移過程の解明 [agndisk2021], オンライン開催

  • [Publication] 3/2021 [2102.06728] Continuous Jets and Backflow Models for the Formation of W50/SS433 in Magnetohydrodynamics Simulations (arxiv.org)

  • [Talk] 1/18/2021, "Two-temperature MHD simulations of extragalctic Jets", Takumi Ohmura, Black Hole Astrophysics with VLBI: Multi-Wavelength and Multi-Messenger Era

  • [Talk] 12/23/2020, "AGNジェットの３次元二温度磁気流体シミュレーション", 大村匠、第33回理論懇シンポジウム（オンライン開催）

  • [Talk] 11/26/2020, "Two-temperature MHD study of sub-relativistic jet propagation into the Intracluster medium" , Takumi Ohmura, Mizusawa VLBI Colloquium

  • [Talk] 9/5/2020, "磁気流体数値実験によるAGNジェットの電子加熱領域の調査", 大村匠, 町田真美,日本天文学会2021年秋季年会, 弘前大学(オンライン開催)

  • [Publication] 3/2020 "Two-temperature magnetohydrodynamic simulations for sub-relativistic active galactic nucleus jets: dependence on the fraction of the electron heating", T. Ohmura, M. Mami, K.E. Nakamura, Y. Kudoh, R. Matsumoto
    arXiv: https://arxiv.org/abs/2003.00795 , DOI: 10.1093/mnras/staa632

  • [Talk] 3/16/2020, "電子イオン2温度磁気流体計算による3次元AGNジェット伝搬数値実験：FRIIジェットにおけるローブ圧/外圧に対するイオンの寄与", 大村匠, 町田真美,日本天文学会2021年春季年会, 筑波大学

CV

cv_ohmura_takumi.pdf

Contact

Takumi Ohmura
High Energy Astrophysics Group, Institute for Cosmic Ray Research, University of Tokyo
5-1-5 Kashiwa-no-Ha, Kashiwa City, Chiba, 277-8582, Japan

tohmura[at]icrr.u-tokyo.ac.jp