Author: Kim Han-Seek Baugh C. M. Benson A. J. Cole S. Frenk C. S. Lacey C. G. Power C. Schneider M.
Publisher: Oxford University Press
ISSN: 0035-8711
Source: Monthly Notices of the Royal Astronomical Society, Vol.414, Iss.3, 2011-07, pp. : 2367-2385
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Abstract
ABSTRACTThe distribution of cold gas in dark matter haloes is driven by key processes in galaxy formation: gas cooling, galaxy mergers, star formation and reheating of gas by supernovae. We compare the predictions of four different galaxy formation models for the spatial distribution of cold gas. We find that satellite galaxies make little contribution to the abundance or clustering strength of cold gas selected samples, and are far less important than they are in optically selected samples. The halo occupation distribution function of present-day central galaxies with cold gas mass >109
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