Some astrophysical implication of gas profiles in a new galaxy clusters model

Astronomy and Astrophysics – Astrophysics

Scientific paper

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Scientific paper

The structure of the dark matter and the thermodynamical status of the hot gas in galaxy clusters is an interesting and widely discussed topic in modern astrophysics. Recently, Rasia et al. (2004) have proposed a new dynamical model of clusters of galaxies, which describes both the dark matter halo and the hot intracluster gas. We analyze the influence of the gas density and temperature profiles on the properties of the X-emission and the comptonization parameter that determines the CMBR temperature decrement due to the Sunyaev - Zel’dovich effect† .A complete traetment of this topic is found in Cardone V.F., Piedipalumbo E., Tortora C., 2005, A&A, 429, 49

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