Development of the Red Sequence in Galaxy Clusters

Noelia Jiménez, Sofía A. Cora, Analía Smith Castelli, Lilia P. Bassino
2009 Proceedings of the International Astronomical Union  
AbstractWe investigate the origin of the color-magnitude relation (CMR) observed in cluster galaxies by using a combination of a cosmological N-body simulation of a cluster of galaxies and a semi-analytic model of galaxy formation. The departure of galaxies in the bright end of the CMR with respect to the trend defined by less luminous galaxies could be explained by the influence of minor mergers.
doi:10.1017/s1743921310007027 fatcat:7qprjsf6endlnfm7aq54yqxr5q