EVIDENCE OF A LARGELY EXTENDED X-RAY-EMISSION AROUND M82

被引：0
|
作者：
TSURU, T [1 ]
OHASHI, T [1 ]
MAKISHIMA, K [1 ]
MIHARA, T [1 ]
KONDO, H [1 ]
机构：
[1] INST SPACE & ASTRONAUT SCI, SAGAMIHARA, KANAGAWA 229, JAPAN
来源：
PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN | 1990年 / 42卷 / 05期
关键词：
GALAXIES; M82; STAR FORMATION; X-RAY EMISSION;
D O I：
暂无
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
Evidence of a 100 kpc scale X-ray halo around the starburst galaxy M82 has been obtained by Ginga observations. The halo extends northward from the nucleus with 2-10 keV luminosity of approximately 4 x 10(39) erg s-1. Source contaminations have been shown to be very unlikely as the origin of the halo. The temperature is poorly constrained to be 1-11 keV, and the mass of the hot gas would be about 10(8) M circle bullet. Though this large-scale halo could be a result of mass outflow associated with the starburst, it is puzzling how such a hot, large halo can be confined around the galaxy.
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收藏
页码：L75 / L82
页数：8
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