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2013MNRAS.428.2548K - Mon. Not. R. Astron. Soc., 428, 2548-2564 (2013/January-3)
Halo occupation distribution modelling of green valley galaxies.
KRAUSE E., HIRATA C.M., MARTIN C., NEILL J.D. and WYDER T.K.
Abstract (from CDS):
We extend the halo occupation formalism, which describes the relation between galaxies and halo mass in terms of the probability P(N, Mh) that a halo of given mass Mh contains N galaxies, to model the cross-correlation function between a galaxy sample of interest and multiple tracer populations simultaneously. This method can be applied to commonly used luminosity threshold samples as well as to colour and luminosity bin selected galaxy samples, and improves the accuracy of clustering analyses for sparse galaxy populations.
We confirm the previously observed trend that red galaxies reside in more massive haloes and are more likely to be satellite galaxies than average galaxies of similar luminosity. While the change in central galaxy host mass as a function of colour is only weakly constrained, the satellite fraction and characteristic halo masses of green satellite galaxies are found to be intermediate between those of blue and red satellite galaxies.
Abstract Copyright: © 2012 The Authors Published by Oxford University Press on behalf of the Royal Astronomical Society (2012)
Journal keyword(s): galaxies: evolution - large-scale structure of Universe
Simbad objects: 1
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