Spectral evolution of an ultraluminous compact X-ray source in NGC 253

被引：0
|
作者：
Tanaka, T [1 ]
Sugiho, M
Kubota, A
Makishima, K
Takahashi, T
机构：
[1] Inst Space & Astronaut Sci, Kanagawa 2298510, Japan
[2] Univ Tokyo, Dept Phys, Tokyo 1130033, Japan
来源：
PROGRESS OF THEORETICAL PHYSICS SUPPLEMENT | 2004年 / 155期
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中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We report an observational result for a ULX in NGC253. We find that the spectral evolution is well consistent with the standard behavior. That is, the source satisfies the relation L-disk proportional to T-in(4) as established for black hole binaries. By comparing with black hole binaries, we estimate black hole mass of this ULX as 7M(circle dot).
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页码：427 / 428
页数：2
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