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

被引:0
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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
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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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