Evidence for merging or disruption of red galaxies from the evolution of their clustering

Details Evidence for merging or disruption of red galaxies from the evolution of their clustering Evidence for merging or disruption of red galaxies from the evolution of their clustering

2006-11-29

arxiv.org/abs/astro-ph/0611901v2

Astrophys.J.655:L69-L72,2007

Astronomy and Astrophysics

Astrophysics

4 pages, 3 figures, matches version accepted by ApJLett

Scientific paper

10.1086/512015

The formation and evolution of massive red galaxies form a crucial test of theories of galaxy formation based on hierarchical assembly. In this letter we use observations of the clustering of luminous red galaxies from the Bootes field and N-body simulations to argue that about 1/3 of the most luminous satellite galaxies appear to undergo merging or disruption within massive halos between z~0.9 and z~0.5.

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