Yuta Asahina

Affiliation and department：
Job title：研究員
Homepage URL (1)： https://www2.ccs.tsukuba.ac.jp/public/asahinyt/

Research field (1)： Astronomy

Research keywords (4)：高エネルギー天文学 , ジェット , 降着円盤 , ブラックホール

Research theme for competitive and other funds (4)：

2021 - 2025 Exploring the spacetime structure and the origins of supermassive black holes by general relativistic radiative transfer with high accuracy
2018 - 2022 宇宙ジェットの加速・収束・相互作用の統一的な数値実験による全容の解明
2016 - 2019 Formation of X-ray Emitting Regions and the Origin of Time Variabilities in Accretion Flow onto a Supermassive Black Hole
2012 - 2015 磁気流体・輻射磁気流体数値実験による相対論的ジェットと周辺環境相互作用の研究

Papers (17)：

Akihiro Inoue, Ken Ohsuga, Hiroyuki R. Takahashi, Yuta Asahina. Modeling of Thermal Emission from ULX Pulsar Swift J0243.6+6124 with General Relativistic Radiation MHD Simulations. The Astrophysical Journal. 2023. 952. 1. 62-62
J Matsumoto, Y Asahina, T Takiwaki, K Kotake, H R Takahashi. Magnetic support for neutrino-driven explosion of 3D non-rotating core-collapse supernova models. Monthly Notices of the Royal Astronomical Society. 2022. 516. 2. 1752-1767
Aoto Utsumi, Ken Ohsuga, Hiroyuki R. Takahashi, Yuta Asahina. Component of Energy Flow from Supercritical Accretion Disks Around Rotating Stellar Mass Black Holes. The Astrophysical Journal. 2022. 935. 1. 26-26
J.Matsumoto, T.Takiwaki, K.Kotake, Y.Asahina, H.R.Takahashi, T Takiwaki, OrcId icon, K Kotake, Y Asahina, H R Takahashi. Two-dimensional numerical study for magnetic field dependence of neutrino-driven core-collapse supernova models. Monthly Notices of the Royal Astronomical Society. 2020
Yuta Asahina, Hiroyuki R. Takahashi, Ken Ohsuga. A Numerical Scheme for General Relativistic Radiation Magnetohydrodynamics Based on Solving a Grid-based Boltzmann Equation. The Astrophysical Journal. 2020. 901. 2. 96-96

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MISC (5)：

Lectures and oral presentations (27)：

GR-RMHD simulations of black hole accretion flows
(12th symposium on Discovery, Fusion, Creation of New Knowledge by Multidisciplinary Computational Sciences 2020)
ブラックホール降着流の一般相対論的輻射磁気流体計算:質量降着率依存性
(日本天文学会2020年秋季年会 2020)
ボルツマン方程式を解く超臨界降着流の一般相対論的MHDシミュレーション
(日本天文学会2020年春季年会 2020)
Development of a general relativistic radiation magnetohydrodynamical code based on solving the Boltzmann equation
(The cosmos at high energies: exploring extreme physics through novel instrumentation 2019)
General relativistic radiation MHD simulations of supercritical accretion flows
(11th symposium on Discovery, Fusion, Creation of New Knowledge by Multidisciplinary Computational Sciences 2019)

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Work history (4)：

Association Membership(s) (1)：

THE ASTRONOMICAL SOCIETY OF JAPAN

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