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000 | 10825naa a2202677 4500 | |
001 | oai:DiVA.org:su-157839 | |
003 | SwePub | |
008 | 180625s2018 | |||||||||||000 ||eng| | |
024 | 7 | a https://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-1578392 URI |
024 | 7 | a https://doi.org/10.1093/pasj/psx0722 DOI |
040 | a (SwePub)su | |
041 | a engb eng | |
042 | 9 SwePub | |
072 | 7 | a ref2 swepub-contenttype |
072 | 7 | a art2 swepub-publicationtype |
100 | 1 | a Aharonian, Felix4 aut |
245 | 1 0 | a Search for thermal X-ray features from the Crab nebula with the Hitomi soft X-ray spectrometer |
264 | c 2018-04-11 | |
264 | 1 | b Oxford University Press (OUP),c 2018 |
338 | a print2 rdacarrier | |
520 | a 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 micro-calorimeter on board the Hitomi satellite. By exploiting its superb energy resolution, we set an upper limit for emission or absorption features from as yet undetected thermal plasma in the 2-12 keV range. We also re-evaluated the existing Chandra and XMM-Newton data. By assembling these results, a new upper limit was obtained for the X-ray plasma mass of less than or similar to 1 M-circle dot for a wide range of assumed shell radius, size, and plasma temperature values both in and out of collisional equilibrium. To compare with the observation, we further performed hydrodynamic simulations of the Crab SNR for two SN models (Fe-core versus EC) under two SN environments (uniform interstellar medium versus progenitor wind). We found that the observed mass limit can be compatible with both SN models if the SN environment has a low density of less than or similar to 0.03 cm(-3) (Fe core) or less than or similar to 0.1 cm(-3) (EC) for the uniform density, or a progenitor wind density somewhat less than that provided by amass loss rate of 10(-5) M-circle dot yr(-1) at 20 km s(-1) for the wind environment. | |
650 | 7 | a NATURVETENSKAPx Fysikx Astronomi, astrofysik och kosmologi0 (SwePub)103052 hsv//swe |
650 | 7 | a NATURAL SCIENCESx Physical Sciencesx Astronomy, Astrophysics and Cosmology0 (SwePub)103052 hsv//eng |
653 | a instrumentation: spectrographs | |
653 | a ISM: individual (Crab nebula) | |
653 | a ISM: supernova remnants | |
653 | a methods: observational | |
700 | 1 | a Akamatsu, Hiroki4 aut |
700 | 1 | a Akimoto, Fumie4 aut |
700 | 1 | a Allen, Steven W.4 aut |
700 | 1 | a Angelini, Lorella4 aut |
700 | 1 | a Audard, Marc4 aut |
700 | 1 | a Awaki, Hisamitsu4 aut |
700 | 1 | a Axelsson, Magnusu Stockholms universitet,Fysikum,Oskar Klein-centrum för kosmopartikelfysik (OKC)4 aut0 (Swepub:su)aaxe |
700 | 1 | a Bamba, Aya4 aut |
700 | 1 | a Bautz, Marshall W.4 aut |
700 | 1 | a Blandford, Roger4 aut |
700 | 1 | a Brenneman, Laura W.4 aut |
700 | 1 | a Brown, Gregory4 aut |
700 | 1 | a Bulbul, Esra4 aut |
700 | 1 | a Cackett, Edward M.4 aut |
700 | 1 | a Chernyakova, Maria4 aut |
700 | 1 | a Chiao, Meng P.4 aut |
700 | 1 | a Coppi, Paolo S.4 aut |
700 | 1 | a Costantini, Elisa4 aut |
700 | 1 | a de Plaa, Jelle4 aut |
700 | 1 | a de Vries, Cor P.4 aut |
700 | 1 | a den Herder, Jan-Willem4 aut |
700 | 1 | a Done, Chris4 aut |
700 | 1 | a Dotani, Tadayasu4 aut |
700 | 1 | a Ebisawa, Ken4 aut |
700 | 1 | a Eckart, Megan E.4 aut |
700 | 1 | a Enoto, Teruaki4 aut |
700 | 1 | a Ezoe, Yuichiro4 aut |
700 | 1 | a Fabian, Andrew C.4 aut |
700 | 1 | a Ferrigno, Carlo4 aut |
700 | 1 | a Foster, Adam R.4 aut |
700 | 1 | a Fujimoto, Ryuichi4 aut |
700 | 1 | a Fukazawa, Yasushi4 aut |
700 | 1 | a Furuzawa, Akihiro4 aut |
700 | 1 | a Galeazzi, Massimiliano4 aut |
700 | 1 | a Gallo, Luigi C.4 aut |
700 | 1 | a Gandhi, Poshak4 aut |
700 | 1 | a Giustini, Margherita4 aut |
700 | 1 | a Goldwurm, Andrea4 aut |
700 | 1 | a Gu, Liyi4 aut |
700 | 1 | a Guainazzi, Matteo4 aut |
700 | 1 | a Haba, Yoshito4 aut |
700 | 1 | a Hagino, Kouichi4 aut |
700 | 1 | a Hamaguch, Kenji4 aut |
700 | 1 | a Harrus, Ilana M.4 aut |
700 | 1 | a Hatsukade, Isamu4 aut |
700 | 1 | a Hayashi, Katsuhiro4 aut |
700 | 1 | a Hayashi, Takayuki4 aut |
700 | 1 | a Hayashida, Kiyoshi4 aut |
700 | 1 | a Hiraga, Junko S.4 aut |
700 | 1 | a Hornschemeier, Ann4 aut |
700 | 1 | a Hoshino, Akio4 aut |
700 | 1 | a Hughes, John P.4 aut |
700 | 1 | a Ichinohe, Yuto4 aut |
700 | 1 | a Iizuka, Ryo4 aut |
700 | 1 | a Inoue, Hajime4 aut |
700 | 1 | a Inoue, Yoshiyuki4 aut |
700 | 1 | a Ishida, Manabu4 aut |
700 | 1 | a Ishikawa, Kumi4 aut |
700 | 1 | a Ishisaki, Yoshitaka4 aut |
700 | 1 | a Kaastra, Jelle4 aut |
700 | 1 | a Kallman, Tim4 aut |
700 | 1 | a Kamae, Tsuneyoshi4 aut |
700 | 1 | a Kataoka, Jun4 aut |
700 | 1 | a Katsuda, Satoru4 aut |
700 | 1 | a Kawai, Nobuyuki4 aut |
700 | 1 | a Kelley, Richard L.4 aut |
700 | 1 | a Kilbourne, Caroline A.4 aut |
700 | 1 | a Kitaguchi, Takao4 aut |
700 | 1 | a Kitamoto, Shunji4 aut |
700 | 1 | a Kitayama, Tetsu4 aut |
700 | 1 | a Kohmura, Takayoshi4 aut |
700 | 1 | a Kokubun, Motohide4 aut |
700 | 1 | a Koyama, Katsuji4 aut |
700 | 1 | a Koyama, Shu4 aut |
700 | 1 | a Kretschmar, Peter4 aut |
700 | 1 | a Krimm, Hans A.4 aut |
700 | 1 | a Kubota, Aya4 aut |
700 | 1 | a Kunieda, Hideyo4 aut |
700 | 1 | a Laurent, Philippe4 aut |
700 | 1 | a Lee, Shiu-Hang4 aut |
700 | 1 | a Leutenegger, Maurice A.4 aut |
700 | 1 | a Limousin, Olivier4 aut |
700 | 1 | a Loewenstein, Michael4 aut |
700 | 1 | a Long, Knox S.4 aut |
700 | 1 | a Lumb, David4 aut |
700 | 1 | a Madejski, Greg4 aut |
700 | 1 | a Maeda, Yoshitomo4 aut |
700 | 1 | a Maier, Daniel4 aut |
700 | 1 | a Makishima, Kazuo4 aut |
700 | 1 | a Markevitch, Maxim4 aut |
700 | 1 | a Matsumoto, Hironori4 aut |
700 | 1 | a Matsushita, Kyoko4 aut |
700 | 1 | a McCammon, Dan4 aut |
700 | 1 | a McNamara, Brian R.4 aut |
700 | 1 | a Mehdipour, Missagh4 aut |
700 | 1 | a Miller, Eric D.4 aut |
700 | 1 | a Miller, Jon M.4 aut |
700 | 1 | a Mineshige, Shin4 aut |
700 | 1 | a Mitsuda, Kazuhisa4 aut |
700 | 1 | a Mitsuishi, Ikuyuki4 aut |
700 | 1 | a Miyazawa, Takuya4 aut |
700 | 1 | a Mizuno, Tsunefumi4 aut |
700 | 1 | a Mori, Hideyuki4 aut |
700 | 1 | a Mori, Koji4 aut |
700 | 1 | a Mukai, Koji4 aut |
700 | 1 | a Murakami, Hiroshi4 aut |
700 | 1 | a Mushotzky, Richard F.4 aut |
700 | 1 | a Nakagawa, Takao4 aut |
700 | 1 | a Nakajima, Hiroshi4 aut |
700 | 1 | a Nakamori, Takeshi4 aut |
700 | 1 | a Nakashima, Shinya4 aut |
700 | 1 | a Nakazawa, Kazuhiro4 aut |
700 | 1 | a Nobukawa, Kumiko K.4 aut |
700 | 1 | a Nobukawa, Masayoshi4 aut |
700 | 1 | a Noda, Hirofumi4 aut |
700 | 1 | a Odaka, Hirokazu4 aut |
700 | 1 | a Ohashi, Takaya4 aut |
700 | 1 | a Ohno, Masanori4 aut |
700 | 1 | a Okajima, Takashi4 aut |
700 | 1 | a Ota, Naomi4 aut |
700 | 1 | a Ozaki, Masanobu4 aut |
700 | 1 | a Paerels, Frits4 aut |
700 | 1 | a Paltani, Stephane4 aut |
700 | 1 | a Petre, Robert4 aut |
700 | 1 | a Pinto, Ciro4 aut |
700 | 1 | a Porter, Frederick S.4 aut |
700 | 1 | a Pottschmidt, Katja4 aut |
700 | 1 | a Reynolds, Christopher S.4 aut |
700 | 1 | a Safi-Harb, Samar4 aut |
700 | 1 | a Saito, Shinya4 aut |
700 | 1 | a Sakai, Kazuhiro4 aut |
700 | 1 | a Sasaki, Toru4 aut |
700 | 1 | a Sato, Goro4 aut |
700 | 1 | a Sato, Kosuke4 aut |
700 | 1 | a Sato, Rie4 aut |
700 | 1 | a Sato, Toshiki4 aut |
700 | 1 | a Sawada, Makoto4 aut |
700 | 1 | a Schartel, Norbert4 aut |
700 | 1 | a Serlemtsos, Peter J.4 aut |
700 | 1 | a Seta, Hiromi4 aut |
700 | 1 | a Shidatsu, Megumi4 aut |
700 | 1 | a Simionescu, Aurora4 aut |
700 | 1 | a Smith, Randall K.4 aut |
700 | 1 | a Soong, Yang4 aut |
700 | 1 | a Stawarz, Lukasz4 aut |
700 | 1 | a Sugawara, Yasuharu4 aut |
700 | 1 | a Sugita, Satoshi4 aut |
700 | 1 | a Szymkowiak, Andrew4 aut |
700 | 1 | a Tajima, Hiroyasu4 aut |
700 | 1 | a Takahashi, Hiromitsu4 aut |
700 | 1 | a Takahashi, Tadayuki4 aut |
700 | 1 | a Takeda, Shin'ichiro4 aut |
700 | 1 | a Takei, Yoh4 aut |
700 | 1 | a Tamagawa, Toru4 aut |
700 | 1 | a Tamura, Takayuki4 aut |
700 | 1 | a Tanaka, Takaaki4 aut |
700 | 1 | a Tanaka, Yasuo4 aut |
700 | 1 | a Tanaka, Yasuyuki T.4 aut |
700 | 1 | a Tashiro, Makoto S.4 aut |
700 | 1 | a Tawara, Yuzuru4 aut |
700 | 1 | a Terada, Yukikatsu4 aut |
700 | 1 | a Terashima, Yuichi4 aut |
700 | 1 | a Tombesi, Francesco4 aut |
700 | 1 | a Tomida, Hiroshi4 aut |
700 | 1 | a Tsuboi, Yohko4 aut |
700 | 1 | a Tsujimoto, Masahiro4 aut |
700 | 1 | a Tsunemi, Hiroshi4 aut |
700 | 1 | a Tsuru, Takeshi Go4 aut |
700 | 1 | a Uchida, Hiroyuki4 aut |
700 | 1 | a Uchiyama, Hideki4 aut |
700 | 1 | a Uchiyama, Yasunobu4 aut |
700 | 1 | a Ueda, Shutaro4 aut |
700 | 1 | a Ueda, Yoshihiro4 aut |
700 | 1 | a Uno, Shin'ichiro4 aut |
700 | 1 | a Urry, C. Megan4 aut |
700 | 1 | a Ursino, Eugenio4 aut |
700 | 1 | a Watanabe, Shin4 aut |
700 | 1 | a Werner, Norbert4 aut |
700 | 1 | a Wilkins, Dan R.4 aut |
700 | 1 | a Williams, Brian J.4 aut |
700 | 1 | a Yamada, Shinya4 aut |
700 | 1 | a Yamaguchi, Hiroya4 aut |
700 | 1 | a Yamaoka, Kazutaka4 aut |
700 | 1 | a Yamasaki, Noriko Y.4 aut |
700 | 1 | a Yamauchi, Makoto4 aut |
700 | 1 | a Yamauchi, Shigeo4 aut |
700 | 1 | a Yaqoob, Tahir4 aut |
700 | 1 | a Yatsu, Yoichi4 aut |
700 | 1 | a Yonetoku, Daisuke4 aut |
700 | 1 | a Zhuravleva, Irina4 aut |
700 | 1 | a Zoghbi, Abderahmen4 aut |
700 | 1 | a Tominaga, Nozomu4 aut |
700 | 1 | a Moriya, Takashi J.4 aut |
710 | 2 | a Stockholms universitetb Fysikum4 org |
773 | 0 | t Publications of the Astronomical Society of Japand : Oxford University Press (OUP)g 70:2q 70:2x 0004-6264x 2053-051X |
856 | 4 | u https://doi.org/10.1093/pasj/psx072y Fulltext |
856 | 4 | u https://academic.oup.com/pasj/article-pdf/70/2/14/24612220/psx072.pdf |
856 | 4 8 | u https://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-157839 |
856 | 4 8 | u https://doi.org/10.1093/pasj/psx072 |
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