Ohira Yutaka 大平豊

… Alternative Names

OHIRA Yutaka 大平豊

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Researcher Number	40589347
Other IDs
Affiliation (Current)	2025: 東京大学, 大学院理学系研究科(理学部), 助教
Affiliation (based on the past Project Information) *help	2017 – 2025: 東京大学, 大学院理学系研究科(理学部), 助教 2017: 東京大学, 大学院理学系研究科, 助教 2016: 青山学院大学, 理工学部, 助教
Review Section/Research Field	Principal Investigator Basic Section 15010:Theoretical studies related to particle-, nuclear-, cosmic ray and astro-physics / Transformative Research Areas, Section (II) / Particle/Nuclear/Cosmic ray/Astro physics Except Principal Investigator Medium-sized Section 16:Astronomy and related fields / Particle/Nuclear/Cosmic ray/Astro physics
Keywords	Principal Investigator 衝撃波 / プラズマ / 宇宙線 / 初期宇宙 / 磁場 / 超新星残骸 / プラズマ・核融合 / 理論天文学 / 宇宙物理 Except Principal Investigator 宇宙線 … More / 磁気流体力学 / 磁気流体シミュレーション / 数値シミュレーション / 理論天文学 / 原始惑星系円盤 / 星形成 / 宇宙物理 / 無衝突衝撃波 / 超新星残骸 / 粒子加速 / 宇宙物理学 Less

宇宙初期の銀河中の宇宙線加速と宇宙線の役割の解明Principal Investigator
- Principal Investigator
  
  大平豊
- Project Period (FY)
  2025 – 2028
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 15010:Theoretical studies related to particle-, nuclear-, cosmic ray and astro-physics
- Research Institution
  The University of Tokyo
Study for the number of energetic particles accelerated in astronomical objectsPrincipal Investigator
- Principal Investigator
  
  大平豊
- Project Period (FY)
  2024 – 2025
- Research Category
  
  Grant-in-Aid for Transformative Research Areas (A)
- Review Section
  
  Transformative Research Areas, Section (II)
- Research Institution
  The University of Tokyo
Exploration of high-energy astrophysical phenomena in star and planet formation processes
- Principal Investigator
  
  富田賢吾
- Project Period (FY)
  2021 – 2025
- Research Category
  
  Grant-in-Aid for Scientific Research (A)
- Review Section
  
  Medium-sized Section 16:Astronomy and related fields
- Research Institution
  Tohoku University
Study for acceleration mechanism of first cosmic rays and their influencesPrincipal Investigator
- Principal Investigator
  
  Ohira Yutaka
- Project Period (FY)
  2019 – 2022
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 15010:Theoretical studies related to particle-, nuclear-, cosmic ray and astro-physics
- Research Institution
  The University of Tokyo
Study for cosmic-ray acceleration in partially ionized plasmas and application to the early universePrincipal Investigator
- Principal Investigator
  
  Ohira Yutaka
- Project Period (FY)
  2016 – 2019
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  Particle/Nuclear/Cosmic ray/Astro physics
- Research Institution
  The University of Tokyo
  Aoyama Gakuin University
Study of cosmic-ray acceleration at supernova remnant shocks propagating into realistic inhomogeneous media
- Principal Investigator
  
  Yamazaki Ryo
- Project Period (FY)
  2015 – 2017
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Particle/Nuclear/Cosmic ray/Astro physics
- Research Institution
  Aoyama Gakuin University

All 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015

All Journal Article Presentation

[Journal Article] Two-component jet model for multiwavelength afterglow emission of extremely energetic burst GRB 221009A2023
- Author(s)
  Yuri Sato, Kohta Murase, Yutaka Ohira, and Ryo Yamazaki
- Journal Title
  
  Monthly Notices of the Royal Astronomical Society Letters
  
  Volume: 552 Issue: 1 Pages: 56-60
- DOI
  10.1093/mnrasl/slad038
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22KJ2643, KAKENHI-PLANNED-20H05852, KAKENHI-PROJECT-23K22522, KAKENHI-PROJECT-19H01893, KAKENHI-PROJECT-20H01901
[Journal Article] Resistive heating induced by streaming cosmic rays around a galaxy in the early Universe2023
- Author(s)
  Yokoyama Shota L、Ohira Yutaka
- Journal Title
  
  Monthly Notices of the Royal Astronomical Society
  
  Volume: 523 Issue: 3 Pages: 3671-3677
- DOI
  10.1093/mnras/stad1596
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-22KJ0582, KAKENHI-PROJECT-19H01893
[Journal Article] Acceleration of secondary electrons by cosmic-ray discharge in the universe2023
- Author(s)
  Ohira Yutaka
- Journal Title
  
  Proceedings of Science
  
  Volume: 444 Pages: 055-055
- DOI
  10.22323/1.444.0055
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-19H01893
[Journal Article] Ambient conditions to reproduce gamma-ray glow energy spectra assuming cosmic ray as source2023
- Author(s)
  Sousa Diniz Gabriel、Wada Yuuki、Ohira Yutaka、Nakazawa Kazuhiro、Tsurumi Miwa、Enoto Teruaki
- Journal Title
  
  Proceedings of Science
  
  Volume: 444 Pages: 209-209
- DOI
  10.22323/1.444.0209
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19H01893
[Journal Article] Synchrotron self-Compton emission in the two-cmponent jet model for gamma-ray bursts2023
- Author(s)
  Yuri Sato, Kaori Obayashi, Bing Theodre Zhang, Shuta J. Tanaka, Kohta Murase, Yutaka Ohira, and Ryo Yamazaki
- Journal Title
  
  Journal of High Energy Astrophysics
  
  Volume: 37 Pages: 51-61
- DOI
  10.1016/j.jheap.2022.12.004
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22KJ2643, KAKENHI-PROJECT-19H01893, KAKENHI-PROJECT-23K22522, KAKENHI-PLANNED-20H05852, KAKENHI-PROJECT-20H01901
[Journal Article] Intergalactic Heating Induced by Streaming Cosmic Rays in the Early Universe2023
- Author(s)
  Yokoyama Shota L.、Ohira Yutaka
- Journal Title
  
  38th International Cosmic Ray Conference
  
  Volume: 444 Pages: 156-156
- DOI
  10.22323/1.444.0156
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-22KJ0582, KAKENHI-PROJECT-19H01893
[Journal Article] Observational constraints on the maximum energies of accelerated particles in supernova remnants2023
- Author(s)
  Suzuki Hiromasa、Bamba Aya、Yamazaki Ryo、Ohira Yutaka
- Journal Title
  
  Proceedings of the 7th Heidelberg International Symposium on High-Energy Gamma-Ray Astronomy
  
  Volume: - Pages: 144-144
- DOI
  10.22323/1.417.0144
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-22KJ3059, KAKENHI-PROJECT-19H01893
[Journal Article] Relativistic Runaway Electron Avalanche Development Near the Electric Field Threshold in Inhomogeneous Air2023
- Author(s)
  Diniz G. S.、Wada Y.、Ohira Y.、Nakazawa K.、Tsurumi M.、Enoto T.
- Journal Title
  
  Geophysical Research Letters
  
  Volume: 50 Issue: 20 Pages: 1-8
- DOI
  10.1029/2023gl105087
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K14453, KAKENHI-PROJECT-22KF0190, KAKENHI-PROJECT-19H01893, KAKENHI-PROJECT-22H00145, KAKENHI-PROJECT-21H01116
[Journal Article] Particle-in-cell Simulation of a Relativistic Shock Propagating in an Electron-Proton-Helium Plasma2023
- Author(s)
  Tomita Sara、Ohira Yutaka
- Journal Title
  
  Proceedings of Science
  
  Volume: 444 Pages: 422-422
- DOI
  10.22323/1.444.0422
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-19H01893
[Journal Article] Cosmic-ray acceleration in a supernova remnant shock propagating in a stellar wind with a wind termination shock2023
- Author(s)
  Kamijima Shoma F.、Ohira Yutaka
- Journal Title
  
  Proceedings of Science
  
  Volume: 444 Pages: 109-109
- DOI
  10.22323/1.444.0109
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-19H01893
[Journal Article] The Gamma-Ray Emission from the Supernova Remnant RX J1713.7-3946 Interacting with Two-phase Medium2022
- Author(s)
  Fujita Yutaka、Yamazaki Ryo、Ohira Yutaka
- Journal Title
  
  The Astrophysical Journal
  
  Volume: 933 Issue: 2 Pages: 126-126
- DOI
  10.3847/1538-4357/ac731e
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20H00181, KAKENHI-PROJECT-19H01893, KAKENHI-PROJECT-23K22522, KAKENHI-PROJECT-23K22539
[Journal Article] Observational Constraints on the Maximum Energies of Accelerated Particles in Supernova Remnants: Low Maximum Energies and a Large Variety2022
- Author(s)
  Suzuki Hiromasa、Bamba Aya、Yamazaki Ryo、Ohira Yutaka
- Journal Title
  
  The Astrophysical Journal
  
  Volume: 924 Issue: 2 Pages: 45-45
- DOI
  10.3847/1538-4357/ac33b5
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-18H01232, KAKENHI-PROJECT-19H01893, KAKENHI-PROJECT-19K03908, KAKENHI-PROJECT-22KJ3059
[Journal Article] Probing particle acceleration at trans-relativistic shocks with off-axis gamma-ray burst afterglows2022
- Author(s)
  Takahashi Kazuya、Ioka Kunihito、Ohira Yutaka、van?Eerten Hendrik J
- Journal Title
  
  Monthly Notices of the Royal Astronomical Society
  
  Volume: 517 Issue: 4 Pages: 5541-5559
- DOI
  10.1093/mnras/stac3022
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18H01215, KAKENHI-PROJECT-19H01893, KAKENHI-ORGANIZER-17H06357, KAKENHI-PLANNED-17H06362, KAKENHI-PROJECT-22H00130, KAKENHI-PROJECT-20H01904
[Journal Article] Self-discharge by Streaming Cosmic Rays2022
- Author(s)
  Ohira Yutaka
- Journal Title
  
  The Astrophysical Journal
  
  Volume: 929 Issue: 1 Pages: 106-106
- DOI
  10.3847/1538-4357/ac5abc
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19H01893
[Journal Article] Escape of cosmic rays from perpendicular shocks in the circumstellar magnetic field2022
- Author(s)
  Kamijima Shoma F.、Ohira Yutaka
- Journal Title
  
  Physical Review D
  
  Volume: 106 Issue: 12 Pages: 1-20
- DOI
  10.1103/physrevd.106.123025
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19H01893
[Journal Article] Biermann battery powered by resistive heating induced by cosmic ray streaming2022
- Author(s)
  Yokoyama Shota L、Ohira Yutaka
- Journal Title
  
  Monthly Notices of the Royal Astronomical Society
  
  Volume: 515 Issue: 4 Pages: 5467-5472
- DOI
  10.1093/mnras/stac2146
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22KJ0582, KAKENHI-PROJECT-19H01893
[Journal Article] X-ray line diagnostics of ion temperature at cosmic ray accelerating collisionless shocks2022
- Author(s)
  Shimoda Jiro、Ohira Yutaka、Bamba Aya、Terada Yukikatsu、Yamazaki Ryo、Inoue Tsuyoshi、Tanaka Shuta J
- Journal Title
  
  Publications of the Astronomical Society of Japan
  
  Volume: 74 Issue: 5 Pages: 1022-1040
- DOI
  10.1093/pasj/psac053
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-19K03908, KAKENHI-PROJECT-20K04009, KAKENHI-PROJECT-20H01944, KAKENHI-PROJECT-20J01086, KAKENHI-PROJECT-19H01893, KAKENHI-PROJECT-23K22522
[Journal Article] Interaction of a Relativistic Magnetized Collisionless Shock with a Dense Clump2022
- Author(s)
  Tomita Sara、Ohira Yutaka、Kimura Shigeo S.、Tomida Kengo、Toma Kenji
- Journal Title
  
  The Astrophysical Journal Letters
  
  Volume: 936 Issue: 1 Pages: L9-L9
- DOI
  10.3847/2041-8213/ac88be
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-22K14028, KAKENHI-PROJECT-21H04487, KAKENHI-PROJECT-19H01893
[Journal Article] Off-axis jet scenario for early afterglow emission of low-luminosity gamma-ray burst GRB 190829A2021
- Author(s)
  Sato Yuri、Obayashi Kaori、Yamazaki Ryo、Murase Kohta、Ohira Yutaka
- Journal Title
  
  Monthly Notices of the Royal Astronomical Society
  
  Volume: 504 Issue: 4 Pages: 5647-5655
- DOI
  10.1093/mnras/stab1273
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18H01232, KAKENHI-PROJECT-19H01893, KAKENHI-PLANNED-20H05852, KAKENHI-PROJECT-20H01901
[Journal Article] Identification of electrostatic two-stream instabilities associated with a laser-driven collisionless shock in a multicomponent plasma2021
- Author(s)
  Sakawa Youichi、Ohira Yutaka、Kumar Rajesh、Morace Alessio、D?hl Leonard N. K.、Woolsey Nigel
- Journal Title
  
  Physical Review E
  
  Volume: 104 Issue: 5
- DOI
  10.1103/physreve.104.055202
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19H01893
[Journal Article] The Biermann Battery Driven by a Streaming Plasma2021
- Author(s)
  Ohira Yutaka
- Journal Title
  
  The Astrophysical Journal
  
  Volume: 911 Issue: 1 Pages: 26-26
- DOI
  10.3847/1538-4357/abec41
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19H01893
[Journal Article] Magnetic Field Generation by Charge Exchange in a Supernova Remnant in the Early Universe2021
- Author(s)
  Kashiwamura Shuhei、Ohira Yutaka
- Journal Title
  
  The Astrophysical Journal
  
  Volume: 922 Issue: 1 Pages: 63-63
- DOI
  10.3847/1538-4357/ac23d1
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19H01893
[Journal Article] Study on the escape timescale of high-energy particles from supernova remnants through thermal X-ray properties2020
- Author(s)
  Suzuki Hiromasa、Bamba Aya、Yamazaki Ryo、Ohira Yutaka
- Journal Title
  
  Publications of the Astronomical Society of Japan
  
  Volume: 72 Issue: 5 Pages: 72-72
- DOI
  10.1093/pasj/psaa061
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19K03908, KAKENHI-PROJECT-19H01893, KAKENHI-PROJECT-19J11069, KAKENHI-PROJECT-18H01232
[Journal Article] Fast Particle Acceleration at Perpendicular Shocks with Uniform Upstream Magnetic Field and Strong Downstream Turbulence2020
- Author(s)
  Kamijima Shoma F.、Ohira Yutaka、Yamazaki Ryo
- Journal Title
  
  The Astrophysical Journal
  
  Volume: 897 Issue: 2 Pages: 1-7
- DOI
  10.3847/1538-4357/ab959a
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19H01893, KAKENHI-PROJECT-18H01232
[Journal Article] Particle Acceleration in a Shock Wave Propagating to an Inhomogeneous Medium2020
- Author(s)
  Yokoyama Shota L.、Ohira Yutaka
- Journal Title
  
  The Astrophysical Journal
  
  Volume: 897 Issue: 1 Pages: 1-6
- DOI
  10.3847/1538-4357/ab93c3
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19H01893
[Journal Article] Magnetic Field Generation by an Inhomogeneous Return Current2020
- Author(s)
  Ohira Yutaka
- Journal Title
  
  The Astrophysical Journal
  
  Volume: 896 Issue: 1 Pages: 1-5
- DOI
  10.3847/2041-8213/ab963d
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19H01893
[Journal Article] Weibel-mediated Shocks Propagating into Inhomogeneous Electron-Positron Plasmas2019
- Author(s)
  Tomita Sara、Ohira Yutaka、Yamazaki Ryo
- Journal Title
  
  The Astrophysical Journal
  
  Volume: 886 Issue: 1 Pages: 54-54
- DOI
  10.3847/1538-4357/ab4a10
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-18H01232, KAKENHI-PROJECT-17J03893, KAKENHI-PROJECT-16K17702, KAKENHI-PROJECT-19H01893
[Journal Article] Interaction between molecular clouds and MeV?TeV cosmic-ray protons escaped from supernova remnants2019
- Author(s)
  Makino Ken、Fujita Yutaka、Nobukawa Kumiko K、Matsumoto Hironori、Ohira Yutaka
- Journal Title
  
  Publications of the Astronomical Society of Japan
  
  Volume: 71 Issue: 4 Pages: 78-78
- DOI
  10.1093/pasj/psz058
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18K03647, KAKENHI-PROJECT-16J00548, KAKENHI-PROJECT-16K17702
[Journal Article] Origin and impacts of the first cosmic rays2019
- Author(s)
  Ohira Yutaka、Murase Kohta
- Journal Title
  
  Physical Review D
  
  Volume: 100 Issue: 6 Pages: 1-7
- DOI
  10.1103/physrevd.100.061301
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K17702, KAKENHI-PROJECT-19H01893
[Journal Article] Anomalous plasma acceleration in colliding high-power laser-produced plasmas2019
- Author(s)
  T. Morita, K. Nagashima, M. Edamoto, K. Tomita, T. Sano, Y. Itadani, R. Kumar, M. Ota, S. Egashira, R. Yamazaki, S. J. Tanaka, S. Tomita, S. Tomiya, H. Toda, I. Miyata, S. Kakuchi, S. Sei, N. Ishizaka, S. Matsukiyo, Y. Kuramitsu, Y. Ohira, M. Hoshino, and Y. Sakawa
- Journal Title
  
  Physics of Plasmas
  
  Volume: 26 Issue: 9 Pages: 090702-090702
- DOI
  10.1063/1.5100197
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K18748, KAKENHI-PROJECT-19K21865, KAKENHI-PROJECT-17K18270, KAKENHI-PROJECT-18H01232, KAKENHI-PROJECT-19H01949, KAKENHI-PROJECT-17J03893, KAKENHI-PROJECT-19J20765, KAKENHI-PROJECT-16K17702, KAKENHI-PROJECT-20K20285
[Journal Article] Suzaku and Fermi view of the supernova remnant 3C 3962019
- Author(s)
  Sezer A、Ergin T、Cesur N、Tanaka S J、Kisaka S、Ohira Y、Yamazaki R
- Journal Title
  
  Monthly Notices of the Royal Astronomical Society
  
  Volume: 492 Issue: 1 Pages: 1484-1491
- DOI
  10.1093/mnras/stz3571
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K18270, KAKENHI-PROJECT-19K14712, KAKENHI-PROJECT-18H01232, KAKENHI-PROJECT-16K17702, KAKENHI-PROJECT-18H01246
[Journal Article] Full particle-in-cell simulation of the interaction between two plasmas for laboratory experiments on the generation of magnetized collisionless shocks with high-power lasers2019
- Author(s)
  Umeda Takayuki、Yamazaki Ryo、Ohira Yutaka、Ishizaka Natsuki、Kakuchi Shin、Kuramitsu Yasuhiro、Matsukiyo Shuichi、Miyata Itaru、Morita Taichi、Sakawa Youichi、Sano Takayoshi、Sei Shuto、Tanaka Shuta J.、Toda Hirohumi、Tomita Sara
- Journal Title
  
  Physics of Plasmas
  
  Volume: 26 Issue: 3 Pages: 032303-032303
- DOI
  10.1063/1.5079906
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K17702, KAKENHI-PROJECT-17K18270, KAKENHI-PROJECT-15H02154, KAKENHI-PROJECT-18H01232, KAKENHI-PROJECT-20K20285, KAKENHI-PROJECT-17J03893
[Journal Article] Pulsar Wind Nebulae inside Supernova Remnants as Cosmic-Ray PeVatrons2018
- Author(s)
  Ohira Yutaka、Kisaka Shota、Yamazaki Ryo
- Journal Title
  
  Monthly Notices of the Royal Astronomical Society
  
  Volume: 478 Issue: 1 Pages: 926-931
- DOI
  10.1093/mnras/sty1159
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-16K17702, KAKENHI-PROJECT-18H01232
[Journal Article] Polarized Balmer line emission from supernova remnant shock waves efficiently accelerating cosmic rays2018
- Author(s)
  Shimoda, Jiro; Ohira, Yutaka; Yamazaki, Ryo; Laming, J. Martin; Katsuda, Satoru
- Journal Title
  
  Monthly Notices of the Royal Astronomical Society
  
  Volume: 473 Issue: 1 Pages: 1394-1406
- DOI
  10.1093/mnras/stx2339
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K17673, KAKENHI-PROJECT-16K17702, KAKENHI-PROJECT-15J08894, KAKENHI-PROJECT-15K05088
[Journal Article] The Transition from Young to Middle-aged Supernova Remnants: Thermal and Nonthermal Aspects of SNR N132D2018
- Author(s)
  Bamba Aya、Ohira Yutaka、Yamazaki Ryo、Sawada Makoto、Terada Yukikatsu、Koyama Katsuji、Miller Eric D.、Yamaguchi Hiroya、Katsuda Satoru、Nobukawa Masayoshi、Nobukawa Kumiko K.
- Journal Title
  
  The Astrophysical Journal
  
  Volume: 854 Issue: 1 Pages: 71-71
- DOI
  10.3847/1538-4357/aaa5a0
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K05107, KAKENHI-PROJECT-16K17673, KAKENHI-PROJECT-16K17702, KAKENHI-PROJECT-17K14289, KAKENHI-PROJECT-16J00548, KAKENHI-PROJECT-15K05088
[Journal Article] A Suzaku X-ray study of the mixed-morphology supernova remnant Kes 69 and searching for its gamma-ray counterpart2018
- Author(s)
  Sezer A、Ergin T、Yamazaki R、Ohira Y、Cesur N
- Journal Title
  
  Monthly Notices of the Royal Astronomical Society
  
  Volume: 481 Issue: 1 Pages: 1416-1425
- DOI
  10.1093/mnras/sty2387
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K17702, KAKENHI-PROJECT-18H01232
[Journal Article] Inverse Compton emission from a cosmic-ray precursor in RX J1713.7-39462017
- Author(s)
  Y. Ohira, R. Yamazaki
- Journal Title
  
  Journal of High Energy Astrophysics
  
  Volume: 13 Pages: 17-21
- DOI
  10.1016/j.jheap.2017.03.001
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-15K05088, KAKENHI-PROJECT-16K17702
[Journal Article] Multi-year X-ray variations of Iron-K and Continuum Emissions in the Young Supernoca Remnant Cassioeia A2017
- Author(s)
  Toshiki Sato, Yoshitomo Maeda, Aya Bamba, Satoru Katsuda, Yutaka Ohira, Ryo Yamazaki, Kuniaki Masai, Hironori Matsumoto, Makoto Sawada, Yukikatsu Terada, John P. Hughes & Manabu Ishida
- Journal Title
  
  The Astrophysical Journal
  
  Volume: 836 Issue: 2 Pages: 225-235
- DOI
  10.3847/1538-4357/836/2/225
- Peer Reviewed / Acknowledgement Compliant / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16J03448, KAKENHI-PROJECT-15K05024, KAKENHI-PROJECT-15K05088, KAKENHI-PROJECT-15K05107, KAKENHI-PROJECT-16K17673, KAKENHI-PROJECT-16K17702
[Journal Article] Cosmic-Ray Hardenings in the Light of AMS-022016
- Author(s)
  Ohira, Yutaka; Kawanaka, Norita; Ioka, Kunihito
- Journal Title
  
  Physical Review D
  
  Volume: 93 Issue: 8
- DOI
  10.1103/physrevd.93.083001
- Peer Reviewed / Acknowledgement Compliant / Open Access
- Data Source
  KAKENHI-PROJECT-26247042, KAKENHI-PROJECT-26287051, KAKENHI-PROJECT-16K17702
[Journal Article] Spatially Resolved Spectroscopy of a Balmer-dominated Shock in the Cygnus Loop: An Extremely Thin Cosmic-Ray Precursor?2016
- Author(s)
  S. Katsuda, K. Maeda, Y. Ohira, Y. Yatsu, K. Mori, W. Aoki, K. Morihana, J. C. Raymond, P. Ghavamian, J.-J. Lee, J. Shimoda, R. Yamazaki
- Journal Title
  
  The Astrophysical Journal Letters
  
  Volume: 819 Issue: 2 Pages: 1-6
- DOI
  10.3847/2041-8205/819/2/l32
- Peer Reviewed / Acknowledgement Compliant / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K05088, KAKENHI-PROJECT-26800100, KAKENHI-PROJECT-15J08894, KAKENHI-PROJECT-25800119, KAKENHI-PLANNED-24103002, KAKENHI-PROJECT-16H03983
[Journal Article] Suzaku observations of the hard X-ray spectrum of Vela Jr. (SNR RX J0852.0-4622)2016
- Author(s)
  Takeda, S., Bamba, A., Terada, Y., Tashiro, M. S., Katsuda, S., Yamazaki, R.,Ohira, Y., Iwakiri, W.
- Journal Title
  
  Publications of the Astronomical Society of Japan
  
  Volume: 68 Issue: SP1
- DOI
  10.1093/pasj/psw036
- Peer Reviewed / Acknowledgement Compliant / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PUBLICLY-15H00773, KAKENHI-PROJECT-15K05088, KAKENHI-PROJECT-15K05107, KAKENHI-PROJECT-16K17673, KAKENHI-PROJECT-16K17702
[Journal Article] Weibel Instability Driven by Spatially Anisotropic Density Structures2016
- Author(s)
  Tomita Sara, Ohira Yutaka
- Journal Title
  
  The Astrophysical Journal
  
  Volume: 825 Issue: 2 Pages: 103-103
- DOI
  10.3847/0004-637x/825/2/103
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-16K17702
[Journal Article] Injection to Rapid Diffusive Shock Acceleration at Perpendicular Shocks in Partially Ionized Plasmas2016
- Author(s)
  Yutaka Ohira
- Journal Title
  
  The Astrophysical Journal
  
  Volume: 827 Issue: 1 Pages: 36-36
- DOI
  10.3847/0004-637x/827/1/36
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-16K17702
[Journal Article] Electromagnetic Afterglows Associated with Gamma-Ray Emission Coincident with Binary Black Hole Merger Event GW1509142016
- Author(s)
  Ryo Yamazaki, Katsuaki Asano, and Yutaka Ohira
- Journal Title
  
  Progress of Theoretical and Experimental Physics
  
  Volume: 2016 Issue: 5 Pages: 051E01-051E01
- DOI
  10.1093/ptep/ptw042
- Peer Reviewed / Acknowledgement Compliant / Open Access
- Data Source
  KAKENHI-PROJECT-25400227, KAKENHI-PROJECT-15K05088, KAKENHI-PROJECT-16K05291, KAKENHI-PROJECT-16K17702
[Presentation] 宇宙初期における宇宙線加速と宇宙線放電による2次電子加速2024
- Author(s)
  大平　豊
- Organizer
  ISEE研究会「宇宙プラズマとレーザー生成プラズマにおける粒子加速・加熱」
- Invited
- Data Source
  KAKENHI-PROJECT-19H01893
[Presentation] Acceleration of secondary electrons by cosmic-ray discharge in the universe2023
- Author(s)
  Yutaka Ohira
- Organizer
  38th International Cosmic Ray Conference
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19H01893
[Presentation] 最高エネルギー宇宙線の理論的研究2023
- Author(s)
  大平　豊
- Organizer
  次世代の最高エネルギー宇宙線観測の実現へ向けたワークショップ
- Invited
- Data Source
  KAKENHI-PROJECT-19H01893
[Presentation] 抵抗性電場によって加速された宇宙線2次電子によるガスの電離2023
- Author(s)
  大平　豊
- Organizer
  日本天文学会2023年春季年会
- Data Source
  KAKENHI-PROJECT-19H01893
[Presentation] 宇宙線放電による2次電子加速とガスの電離と加熱2022
- Author(s)
  大平　豊
- Organizer
  高エネルギー宇宙物理学研究会2022
- Data Source
  KAKENHI-PROJECT-19H01893
[Presentation] 宇宙線流によって駆動する宇宙空間での放電現象2022
- Author(s)
  大平　豊
- Organizer
  第152回SGEPSS講演会
- Data Source
  KAKENHI-PROJECT-19H01893
[Presentation] Cosmic-ray accelerationin the early universe2022
- Author(s)
  Yutaka Ohira
- Organizer
  IRCC-AFPworkshop2022
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19H01893
[Presentation] 宇宙で生じる様々な無衝突衝撃波2022
- Author(s)
  大平　豊
- Organizer
  衝撃波シンポジウム2021年度
- Invited
- Data Source
  KAKENHI-PROJECT-19H01893
[Presentation] 銀河系内宇宙線と銀河系外宇宙線の遷移2022
- Author(s)
  大平　豊
- Organizer
  第五回空気シャワー観測による宇宙線の起源探索勉強会
- Invited
- Data Source
  KAKENHI-PROJECT-19H01893
[Presentation] 銀河系内宇宙線と銀河系外宇宙線の遷移2022
- Author(s)
  大平　豊
- Organizer
  空気シャワー勉強会
- Invited
- Data Source
  KAKENHI-PROJECT-19H01893
[Presentation] 宇宙線によって引き起こされる宇宙での放電現象2022
- Author(s)
  大平　豊
- Organizer
  日本天文学会2022年春季年会
- Data Source
  KAKENHI-PROJECT-19H01893
[Presentation] 2040年代の宇宙線研究2022
- Author(s)
  大平　豊
- Organizer
  2040年代のスペース天文学研究会
- Invited
- Data Source
  KAKENHI-PROJECT-19H01893
[Presentation] Magnetic field generation by the first cosmic rays2021
- Author(s)
  Yutaka Ohira
- Organizer
  37th International Cosmic Ray Conference
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19H01893
[Presentation] 最高エネルギー宇宙線理論レビュー2020
- Author(s)
  大平豊
- Organizer
  CRC将来計画タウンミーティング
- Invited
- Data Source
  KAKENHI-PROJECT-19H01893
[Presentation] Origin of the first cosmic rays2020
- Author(s)
  Yutaka Ohira
- Organizer
  4th Asia-Pacific Conference on Plasma Physics
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19H01893
[Presentation] Magnetic field generationby the first cosmic ray2020
- Author(s)
  大平　豊
- Organizer
  高エネルギー宇宙物理学研究会2020
- Data Source
  KAKENHI-PROJECT-19H01893
[Presentation] Cosmic ray acceleration in supernova remnants2020
- Author(s)
  Yutaka Ohira
- Organizer
  YITP workshop “Connecting high-energy astroparticle physics for origins of cosmic rays and future perspectives”
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19H01893
[Presentation] 硬X線観測(10-80keV)で探る超新星残骸での宇宙線加速2019
- Author(s)
  大平豊
- Organizer
  Force研究会
- Invited
- Data Source
  KAKENHI-PROJECT-16K17702
[Presentation] Acceleration of First Cosmic Rays2019
- Author(s)
  Yutaka Ohira
- Organizer
  MAX PLANCK PRINCETON CENTER WORKSHOP 2019
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K17702
[Presentation] Cosmic-ray propagation2019
- Author(s)
  Yutaka Ohira
- Organizer
  Dark matter searches in the 2020s - at the crossroads of WIMP
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K17702
[Presentation] 超新星残骸内部のパルサー星雲によるKnee宇宙線の加速2019
- Author(s)
  大平豊
- Organizer
  日本天文学会2019年秋季年会
- Data Source
  KAKENHI-PROJECT-16K17702
[Presentation] 初代宇宙線の加速と逃走2019
- Author(s)
  大平　豊
- Organizer
  日本天文学会
- Data Source
  KAKENHI-PROJECT-16K17702
[Presentation] Nonlinear evolution of the Weibel instability induced by asymmetric counter-streaming beams2019
- Author(s)
  大平豊
- Organizer
  2018年度CfCAユーザーズミーティング
- Data Source
  KAKENHI-PROJECT-16K17702
[Presentation] Collisionless shocks driven by a high-power laser2019
- Author(s)
  Yutaka Ohira
- Organizer
  The 4th STEPS Symposium on Photon Science
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K17702
[Presentation] Acceleration and escape of first cosmic rays2019
- Author(s)
  Yutaka Ohira
- Organizer
  International Cosmic Ray Conference 2019
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K17702
[Presentation] Origin of the First Cosmic Rays2018
- Author(s)
  大平豊
- Organizer
  高エネルギー宇宙物理学2018
- Data Source
  KAKENHI-PROJECT-16K17702
[Presentation] 低電離プラズマ中の無衝突衝撃波のハイブリッドシミュレーション2018
- Author(s)
  大平豊
- Organizer
  日本物理学会2018年春季大会
- Data Source
  KAKENHI-PROJECT-16K17702
[Presentation] 宇宙線と磁場2018
- Author(s)
  大平豊
- Organizer
  高エネルギー天体現象の多様性
- Invited
- Data Source
  KAKENHI-PROJECT-16K17702
[Presentation] 超新星残骸衝撃波中のピックアップイオン2018
- Author(s)
  大平豊
- Organizer
  PSTEP・ISEE研究集会
- Invited
- Data Source
  KAKENHI-PROJECT-16K17702
[Presentation] 宇宙線と磁場2018
- Author(s)
  大平豊
- Organizer
  研究会X
- Invited
- Data Source
  KAKENHI-PROJECT-16K17702
[Presentation] 宇宙線の標準理論未来に向けての再考2018
- Author(s)
  大平豊
- Organizer
  第31回理論懇シンポジウム
- Invited
- Data Source
  KAKENHI-PROJECT-16K17702
[Presentation] H_alpha輝線の偏光観測による超新星残骸衝撃波での宇宙線量の測定について2018
- Author(s)
  霜田治朗, 大平豊, 山崎了, J. M. Laming, 勝田哲
- Organizer
  日本天文学会 2018年春季年会
- Data Source
  KAKENHI-PROJECT-15K05088
[Presentation] Particle accelerations, plasma instabilities, and collisionless shocks in partially ionized plasmas2018
- Author(s)
  Yutaka Ohira
- Organizer
  AAPPS-DPP2018
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K17702
[Presentation] First cosmic ray2017
- Author(s)
  大平豊
- Organizer
  第30回理論懇シンポジウム
- Data Source
  KAKENHI-PROJECT-16K17702
[Presentation] 電波シンクロトロン偏光による超新星残骸磁場スペクトルの測定について2017
- Author(s)
  霜田治朗, Alex Lazarian, 井上剛志, 大平豊, 山崎了
- Organizer
  日本天文学会 2017年春季年会
- Place of Presentation
  九州大学
- Year and Date
  2017-03-15
- Data Source
  KAKENHI-PROJECT-15K05088
[Presentation] 宇宙線Kneeの起源2017
- Author(s)
  大平豊
- Organizer
  高エネルギー宇宙物理学研究会2017
- Data Source
  KAKENHI-PROJECT-16K17702
[Presentation] 超高エネルギーガンマ線による超新星残骸の観測の現状と展望2017
- Author(s)
  中森健之, 片桐秀明, 佐野英俊, 山崎了, 大平豊他 CTA-Japan
- Organizer
  日本天文学会 2017年春季年会
- Place of Presentation
  九州大学
- Year and Date
  2017-03-15
- Data Source
  KAKENHI-PROJECT-15K05088
[Presentation] 超新星残骸での粒子加速と非熱的放射2017
- Author(s)
  大平豊
- Organizer
  磁気リコネクション・粒子加速勉強会
- Data Source
  KAKENHI-PROJECT-16K17702
[Presentation] PeVatron理論レビュー2017
- Author(s)
  大平　豊
- Organizer
  2016年度CRC将来計画タウンミーティング
- Place of Presentation
  東京大学宇宙線研究所
- Year and Date
  2017-03-24
- Invited
- Data Source
  KAKENHI-PROJECT-16K17702
[Presentation] 部分電離プラズマ中の無衝突衝撃波と粒子加速2017
- Author(s)
  大平　豊
- Organizer
  「自然科学における階層と全体」シンポジウム
- Place of Presentation
  名古屋ルーセントタワー16Fビジネスサポートセンター
- Year and Date
  2017-02-14
- Invited
- Data Source
  KAKENHI-PROJECT-16K17702
[Presentation] 銀河宇宙線の加速・逃走・伝搬の研究2017
- Author(s)
  大平　豊
- Organizer
  日本物理学会第72回年次大会（2017年）
- Place of Presentation
  大阪大学
- Year and Date
  2017-03-17
- Invited
- Data Source
  KAKENHI-PROJECT-16K17702
[Presentation] NuSTAR/Suzaku による最も明るいガンマ線超新星残骸N132Dの観測2017
- Author(s)
  馬場彩, 山崎了, 大平豊, 澤田真理, 寺田幸功, 小山勝二, 山口弘悦, 勝田哲
- Organizer
  日本天文学会 2017年春季年会
- Place of Presentation
  九州大学
- Year and Date
  2017-03-15
- Data Source
  KAKENHI-PROJECT-15K05088
[Presentation] Particle acceleration by pulsar wind nebulae inside supernova remnants2017
- Author(s)
  大平豊
- Organizer
  ICRC2017
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K17702
[Presentation] 部分電離プラズマ中の衝撃波統計加速2016
- Author(s)
  大平　豊
- Organizer
  高エネルギー宇宙物理学研究会2016
- Place of Presentation
  青山学院大学
- Year and Date
  2016-11-30
- Data Source
  KAKENHI-PROJECT-16K17702
[Presentation] 衝撃波で加速された宇宙線スペクトルのカットオフの形について2016
- Author(s)
  山崎了, 大平豊, 澤田真理, 吉田龍生, 柳田昭平, 馬場彩
- Organizer
  日本天文学会2016年秋季年会
- Place of Presentation
  愛媛大学
- Year and Date
  2016-09-14
- Data Source
  KAKENHI-PROJECT-15K05088
[Presentation] 部分電離プラズマ中の平行無衝突衝撃波の構造2016
- Author(s)
  大平　豊
- Organizer
  平成27年度CfCAユーザーズミーティング
- Place of Presentation
  国立天文台
- Year and Date
  2016-11-29
- Invited
- Data Source
  KAKENHI-PROJECT-16K17702
[Presentation] 現実的非一様媒質と相互作用する超新星残骸衝撃波での宇宙線加速効率についての理論研究2015
- Author(s)
  霜田治朗, 井上剛志, 大平豊, 山崎了, 馬場彩, J. Vink
- Organizer
  日本天文学会 2015年秋季年会
- Place of Presentation
  甲南大学
- Year and Date
  2015-09-09
- Data Source
  KAKENHI-PROJECT-15K05088

1. Yamazaki Ryo (40420509)

# of Collaborated Projects: 1 results

# of Collaborated Products: 12 results
2. INOUE Tsuyoshi (90531294)

# of Collaborated Projects: 1 results

# of Collaborated Products: 2 results
3. 富田賢吾 (70772367)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
4. 木村成生 (20865795)

# of Collaborated Projects: 1 results

# of Collaborated Products: 1 results
5. 岩崎一成 (50750379)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
6. 古家健次 (80783711)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
7. 高棹真介 (90794727)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
8. TOMITA Kentaro

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results
9. KOMIYAMA Yutaka

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results
10. Yamaguchi Hiroya

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results
11. ASANO Katsuaki

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results
12. 馬場彩

# of Collaborated Projects: 0 results

# of Collaborated Products: 3 results
13. 井岡邦仁

# of Collaborated Projects: 0 results

# of Collaborated Products: 2 results
14. 寺田幸功

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results
15. 藤田裕

# of Collaborated Projects: 0 results

# of Collaborated Products: 2 results
16. 和田有希

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results
17. 勝田哲

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results
18. 星野真弘

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results
19. 田中周太

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results

Ohira Yutaka 大平 豊

OHIRA Yutaka 大平 豊

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Co-Researchers

宇宙初期の銀河中の宇宙線加速と宇宙線の役割の解明Principal Investigator

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Study for the number of energetic particles accelerated in astronomical objectsPrincipal Investigator

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Exploration of high-energy astrophysical phenomena in star and planet formation processes

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Study for acceleration mechanism of first cosmic rays and their influencesPrincipal Investigator

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Study for cosmic-ray acceleration in partially ionized plasmas and application to the early universePrincipal Investigator

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Study of cosmic-ray acceleration at supernova remnant shocks propagating into realistic inhomogeneous media

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[Journal Article] Two-component jet model for multiwavelength afterglow emission of extremely energetic burst GRB 221009A2023

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[Journal Article] Resistive heating induced by streaming cosmic rays around a galaxy in the early Universe2023

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[Journal Article] Acceleration of secondary electrons by cosmic-ray discharge in the universe2023

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[Journal Article] Ambient conditions to reproduce gamma-ray glow energy spectra assuming cosmic ray as source2023

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[Journal Article] Synchrotron self-Compton emission in the two-cmponent jet model for gamma-ray bursts2023

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[Journal Article] Intergalactic Heating Induced by Streaming Cosmic Rays in the Early Universe2023

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[Journal Article] Observational constraints on the maximum energies of accelerated particles in supernova remnants2023

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[Journal Article] Relativistic Runaway Electron Avalanche Development Near the Electric Field Threshold in Inhomogeneous Air2023

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Ohira Yutaka 大平豊

OHIRA Yutaka 大平豊