MODELING RICH CLUSTERS OF GALAXIES

被引：0
|
作者：
SOLANES, JM
SALVADORSOLE, E
机构：
[1] UNIV POLITECN CATALUNYA,ESCOLA TECN SUPER ENGN IND BARCELONA,DEPT ENGN MECAN,BARCELONA,SPAIN
[2] INST ESTUD CATALANS,ASTROFIS GRP,BARCELONA,SPAIN
来源：
ASTROPHYSICS AND SPACE SCIENCE | 1990年 / 171卷 / 1-2期
关键词：
D O I：
10.1007/BF00646811
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We develop a self-consistent dynamical model for spherically-symmetric clusters of galaxies. The total mass profile and velocity dispersion profiles of galaxies are derived by taking both, galaxies and intracluster gas, in hydrostatic equilibrium, and by assuming the latter to follow a polytropic distribution T∼ρλ-1. We use the strongest and better established correlations among observed properties of clusters to fix the values of the resulting free parameters, and so, to reduce the general freedom of the model. © 1990 Kluwer Academic Publishers.
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页码：3 / 8
页数：6
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