Study of cosmic-ray acceleration at supernova remnant shocks propagating into realistic inhomogeneous media
| Project/Area Number |
15K05088
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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| Allocation Type | Multi-year Fund |
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| Section | 一般 |
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| Research Field |
Particle/Nuclear/Cosmic ray/Astro physics
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| Research Institution | Aoyama Gakuin University |
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Principal Investigator |
Yamazaki Ryo 青山学院大学, 理工学部, 准教授 (40420509)
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| Co-Investigator(Renkei-kenkyūsha) |
INOUE Tsuyoshi 名古屋大学, 大学院理学研究科, 准教授 (90531294)
OHIRA Yutaka 東京大学, 大学院理学系研究科, 助教 (40589347)
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| Project Period (FY) |
2015-04-01 – 2018-03-31
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| Project Status |
Completed (Fiscal Year 2017)
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| Budget Amount *help |
¥4,810,000 (Direct Cost: ¥3,700,000、Indirect Cost: ¥1,110,000)
Fiscal Year 2017: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2016: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2015: ¥2,470,000 (Direct Cost: ¥1,900,000、Indirect Cost: ¥570,000)
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| Keywords | 宇宙線 / 宇宙物理学 / 粒子加速 / 超新星残骸 / 無衝突衝撃波 / 宇宙物理 |
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| Outline of Final Research Achievements |
We studied theoretically and observationally shock waves propagating into realistic upstream medium, which are seen in, for example, supernova remnants. We performed X-ray and gamma-ray observations, and gave theoretical interpretations for them. Galaxy clusters and gravitational wave events are also studied in the context of the cosmic-ray acceleration.
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Report
(4 results)
Research Products
(34 results)
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[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
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Journal Title
The Astrophysical Journal
Volume: 836
Issue: 2
Pages: 225-235
DOI
Related Report
Peer Reviewed / Int'l Joint Research / Acknowledgement Compliant
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[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.
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Journal Title
Publications of the Astronomical Society of Japan
Volume: 68
Issue: SP1
DOI
Related Report
Peer Reviewed / Open Access / Int'l Joint Research / Acknowledgement Compliant
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[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
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Journal Title
The Astrophysical Journal Letters
Volume: 819
Issue: 2
Pages: 1-6
DOI
Related Report
Peer Reviewed / Int'l Joint Research / Acknowledgement Compliant
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