基于X射线观测的椭圆星系星 halo的形状与尺寸
天体物理学
2007-05-23 v1
摘要
我们审查了X射线等效线如何探测椭圆星系中引力物质的形状和径向分布的理论,方法比传统的球对称方法更稳健。我们总结并更新了对NGC 720和NGC 1332的X射线观测分析,并描述了对NGC 3923的初步结果。
引用
@article{arxiv.astro-ph/9710001,
title = {The Shapes and Sizes of Elliptical Galaxy Halos from X-Ray Observations},
author = {David A. Buote and Claude R. Canizares},
journal= {arXiv preprint arXiv:astro-ph/9710001},
year = {2007}
}
备注
10 pages (5 figures). To appear in the proceedings of the UC Santa Cruz Workshop on Galactic Halos, ed. D. Zaritsky, held at UCSC 11-15 August 1997