Distribution of the brightest X-ray sources

被引：0
|
作者：
Soltan, AM [1 ]
机构：
[1] Nicolaus Copernicus Astron Ctr, PL-00716 Warsaw, Poland
来源：
LIGHTHOUSES OF THE UNIVERSE: THE MOST LUMINOUS CELESTIAL OBJECTS AND THEIR USE FOR COSMOLOGY | 2002年
关键词：
D O I：
10.1007/10856495_91
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
Brightest sources in the ROSAT pointings as well as in the All-Sky Survey generate disproportionately high fraction of the total X-ray background (XRB) fluctuations. The autocorrelation function of the soft XRB indicates that substantial fraction of the XRB variations over a wide range of angular scales is associated with relatively few bright sources. Possible explanation of this effect are listed. It is likely that most of the fluctuations of the XRB are not produced by source clustering represented by the standard power law autocorrelation function with the canonical index of -1.8.
引用
收藏
页码：580 / 586
页数：7
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