Pulse Brain · Growing Health Evidence Index
Tier 3 — Observational / field trialPeer-reviewed

Search for thermal X-ray features from the Crab nebula with the Hitomi soft X-ray spectrometer

Hiroki Akamatsu, Fumie Akimoto, S. W. Allen, L. Angelini, M. Audard, Hisamitsu Awaki, M. Axelsson, Aya Bamba, M. Bautz, Roger Blandford, Laura Brenneman, G. V. Brown, Esra Bülbül, Edward Cackett, M. Chernyakova, Meng P. Chiao, P. Coppi, Elisa Costantini, J. de Plaa, C. P. de Vries, Jan-Willem den Herder, Chris Done, Tadayasu Dotani, Ken Ebisawa, Megan E. Eckart, Teruaki Enoto, Yuichiro Ezoe, Andrew C Fabian, C. Ferrigno, Adam Foster, Ryuichi Fujimoto, Yasushi Fukazawa, Akihiro Furuzawa, Massimiliano Galeazzi, Luigi Gallo, Poshak Gandhi, M. Giustini, A. Goldwurm, Liyi Gu, M. Guainazzi, Yoshito Haba, Kouichi Hagino, Kenji Hamaguchi, I. Harrus, Isamu Hatsukade, Katsuhiro Hayashi, Takayuki Hayashi, Kiyoshi Hayashida, Junko S Hiraga, A. E. Hornschemeier, Akio Hoshino, John P. Hughes, Yuto Ichinohe, Ryo Iizuka, Hajime Inoue, Yoshiyuki Inoue, M. Ishida, Kumi Ishikawa, Yoshitaka Ishisaki, J. S. Kaastra, Tim Kallman, T. Kamae, Jun Kataoka, Satoru Katsuda, N. Kawai, Richard L Kelley, Caroline A Kilbourne, Takao Kitaguchi, Shunji Kitamoto, Tetsu Kitayama, Takayoshi Kohmura, M. Kokubun, Katsuji Koyama, Shu Koyama, P. Kretschmar, H. Krimm, Aya Kubota, Hideyo Kunieda, Philippe Laurent, S.-H. Lee, Maurice A. Leutenegger, Olivier Limousin, Michael Loewenstein, Knox S. Long, David Lumb, Greg Madejski, Yoshitomo Maeda, Daniel Maier, Kazuo Makishima, Maxim Markevitch, Hironori Matsumoto, Kyoko Matsushita, D. McCammon, Brian R McNamara, M. Mehdipour, Eric D. Miller, J. M. Mïller, Shin Mineshige, Kazuhisa Mitsuda, Ikuyuki Mitsuishi

Publications of the Astronomical Society of Japan · 2017

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Summary

Abstract The Crab nebula originated from a core-collapse supernova (SN) explosion observed in 1054 ad. When viewed as a supernova remnant (SNR), it has an anomalously low observed ejecta mass and kinetic energy for an Fe-core-collapse SN. Intensive searches have been made for a massive shell that solves this discrepancy, but none has been detected. An alternative idea is that SN 1054 is an electron-capture (EC) explosion with a lower explosion energy by an order of magnitude than Fe-core-collapse SNe. X-ray imaging searches were performed for the plasma emission from the shell in the Crab outskirts to set a stringent upper limit on the X-ray emitting mass. However, the extreme brightness of the source hampers access to its vicinity. We thus employed spectroscopic technique using the X-ray

Subject
Out of scope / non-food
Study type
Research
Source type
Peer-reviewed study
Status
Published
System type
Other
DOI
10.1093/pasj/psx072
Catalogue ID
BFmrx8hcdc-rgi16i
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