Evolution of the Interstellar Gas in Elliptical Galaxies

被引：0
|
作者：
A. Curir
S. Massaglia
P. Mazzei
E. Trussoni
机构：
[1] Osservatorio Astronomico di Torino,Istituto di Fisica Generale
[2] Universita' di Torino,undefined
[3] Osservatorio Astronomico di Padova,undefined
来源：
Astrophysics and Space Science | 2000年 / 272卷
关键词：
Dark Matter; Star Formation; Interstellar Medium; Elliptical Galaxy; Dark Matter Halo;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
We present SPH simulations of the evolution of the interstellar gas during the formation of an elliptical galaxy. The gas dynamics is governed initially by the collapsing phase of the primordial fluctuation, and later by the star formation processes. The final configuration is critically related to the total mass of the system. For more massive galaxies the hot gas is confined in a galactic corona and radiates at X-ray frequencies, while in the central region the interstellar medium has a much lower temperature and forms a cooling flow.
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页码：91 / 94
页数：3
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