A phenomenological model of galaxy clusters

Details A phenomenological model of galaxy clusters A phenomenological model of galaxy clusters

2007-06-18

arxiv.org/abs/0706.2558v1

Astronomy and Astrophysics

Astrophysics

7 pages, 4 figures, submitted to MNRAS

Scientific paper

10.1111/j.1365-2966.2007.12546.x

We present a simple model to describe the dark matter density, the gas density, and the gas temperature profiles of galaxy clusters. Analytical expressions for these quantities are given in terms of only five free parameters with a clear physical meaning: the mass M of the dark matter halo (or the characteristic temperature T_0), the characteristic scale radius a, the cooling radius in units of a (0

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