The X-Ray Spectrum of Cygnus X-1
The X-Ray Spectrum of Cygnus X-1
复制标题
天鹅座 X-1 的 X 射线光谱
DOI：
10.1086/173484
复制
发表时间：
1993
期刊：
影响因子：
--
通讯作者：
P. Serlemitsos
中科院分区：
文献类型：
--
作者：
F. Marshall;R. Mushotzky;R. Petre;P. Serlemitsos
The first moderate-resolution (FWHM∼160 eV) X-ray spectrum of a galactic black hole candidate in the 1-11 keV band has been obtained with the BBXRT experiment aboard Astro 1. There is a broad excess of flux in the 6-7 keV band above a simple power-law continuum which is consistent with that expected from reflection of the observed continuum from a disk of neutral material surrounding the central source. The edge at 7.1 keV due to photoelectric absorption by neutral Fe is deeper than that predicted for material of solar abundances, which suggests an overabundance of Fe in the source. There is little evidence for any emission features due to Fe with the possible exception of a narrow line at 6.4 keV with an equivalent width of 13±11 eV
