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

页码：1299 / 1302

页数：4

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