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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页码：L75 / L82

页数：8

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