Recombining plasma in the remnant of a core-collapsed supernova, Kes 17

被引：14

作者：

Washino, Ryosaku ^{[1
]}

Uchida, Hiroyuki ^{[1
]}

Nobukawa, Masayoshi ^{[1
,2
]}

Tsuru, Takeshi Go ^{[1
]}

Tanaka, Takaaki ^{[1
]}

Nobukawa, Kumiko Kawabata ^{[1
]}

Koyama, Katsuji ^{[1
,3
]}

机构：

[1] Kyoto Univ, Grad Sch Sci, Dept Phys, Sakyo Ku, Kitashirakawa Oiwake Cho, Kyoto 6068502, Japan

[2] Kyoto Univ, Hakubi Ctr Adv Res, Sakyo Ku, Yoshida Ushinomiya Cho, Kyoto 6068302, Japan

[3] Osaka Univ, Grad Sch Sci, Dept Earth & Space Sci, 1-1 Machikaneyama Cho, Toyonaka, Osaka 5600043, Japan

来源：

PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN | 2016年 / 68卷

关键词：

ISM:; individual; (Kes; 17; G304.6+0.1); ISM: supernova remnants; X-rays: ISM; GALACTIC PLANE; RAY-EMISSION; SUZAKU; TELESCOPE; DISCOVERY; NUCLEOSYNTHESIS; ABUNDANCES; EVOLUTION; CONTINUUM; SPECTRUM;

D O I：

10.1093/pasj/psv095

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We report on Suzaku results concerning Kes 17, a Galactic mixed-morphology supernova remnant. The X-ray spectrum of the whole Kes 17 is well explained by a pure thermal plasma, in which we found Ly alpha of Al XIII and He alpha of Al XII, Ar XVII, and Ca XIX lines for the first time. The abundance pattern and the plasma mass suggest that Kes 17 is a remnant of a core-collapsed supernova of a 25-30 M-circle dot progenitor star. The X-ray spectrum of the north region is expressed by a recombining plasma. The origin would be due to the cooling of electrons by thermal conduction to molecular clouds located near the north region.

引用

页数：7

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