Thermal emission from the stellar-mass black hole binary XTE J1118+480 in the low/hard state

被引：39
|
作者：
Reis, R. C. [1 ]
Miller, J. M. [2 ]
Fabian, A. C. [1 ]
机构：
[1] Univ Cambridge, Inst Astron, Cambridge CB3 0HA, England
[2] Univ Michigan, Dept Astron, Ann Arbor, MI 48109 USA
来源：
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY | 2009年 / 395卷 / 01期
关键词：
accretion; accretion discs; black hole physics; X-rays: individual: XTE J1118+480; X-RAY; MULTIWAVELENGTH OBSERVATIONS; OPTICAL VARIABILITY; DOMINATED ACCRETION; LIGHT CURVES; GX; 339-4; XTE-J1118+480; REFLECTION; SPIN; SPECTROSCOPY;
D O I：
10.1111/j.1745-3933.2009.00640.x
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We report on the detection of a thermal disc component from the stellar-mass black hole binary XTE J1118+480 in the canonical low/hard state. The presence of a thermal component with a temperature of approximately 0.21 keV in the Chandra spectra of XTE J1118+480 is found at more than the 14 sigma confidence level. Based on this evidence, we argue that the accretion disc in XTE J1118+480 is not truncated far from the central black hole in contrast with previous claims.
引用
收藏
页码：L52 / L56
页数：5
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