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The effect of radiative cooling on X-ray emission from clusters of galaxies | | F.R.Pearce
; H.M.P.Couchman
; P.A.Thomas
; A.C.Edge
; | | Date: |
1 Dec 1999 | | Subject: | astro-ph | | Affiliation: | Durham), H.M.P.Couchman (McMaster), P.A.Thomas (Sussex), A.C.Edge (Durham | | Abstract: | In this paper we use state-of-the-art N-body hydrodynamic simulations of a cosmological volume of side 100Mpc to produce many galaxy clusters simultaneously in both the standard cold dark matter (SCDM) cosmology and a cosmology with a positive cosmological constant (LCDM). We have performed simulations of the same volume both with and without the effects of radiative cooling, but in all cases neglect the effects of star formation and feedback. With radiative cooling clusters are on average five times less luminous in X-rays than the same cluster simulated without cooling. The importance of the mass of the central galaxy in determining the X-ray luminosity is stressed. | | Source: | arXiv, astro-ph/9912013 | | Services: | Forum | Review | PDF | Favorites | |
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