X-ray line emission from cataclysmic variables

被引：0
|
作者：
Schlegel, E. M. [1 ,4 ]
Singh, K. P. [2 ]
Rana, V. [2 ]
Barrett, P. [3 ,5 ]
机构：
[1] Smithsonian Astrophys Observ, Cambridge, MA USA
[2] Tata Inst Fundamental Res, Bombay 400005, Maharashtra, India
[3] Space Telescope Sci Inst, Baltimore, MD 21218 USA
[4] Univ Texas San Antonio, San Antonio, TX 78249 USA
[5] USN Observ, Washington, DC USA
来源：
ADVANCES IN SPACE RESEARCH | 2007年 / 40卷 / 08期
关键词：
cataclysmic variables; x-ray lines; grating spectra;
D O I：
10.1016/j.asr.2006.10.024
中图分类号：
V [航空、航天];
学科分类号：
08 ; 0825 ;
摘要：
We discuss the X-ray line emission as observed with the HETG on Chandra of a sample of CV spectra. A portion of the data have been fit with global models by Mukai et al. [Mukai, K. et al. Two types of X-ray spectra in cataclysmic variables. ApJ 586, L77-L80, 2003]; we analyze the same spectra using a line-by-line fit. The results are similar to those reported by Mauche et al. on EX Hya, but additionally cover the other CVs. A broad range of temperatures is indicated based on the H/He-like ratio of O, Mg, S, and Fe. (c) 2007 Published by Elsevier Ltd on behalf of COSPAR.
引用
收藏
页码：1299 / 1302
页数：4
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