2 papers
astro-ph2003
Early Formation and Late Merging of the Giant Galaxies
Liang Gao, Abraham Loeb, P. J. E. Peebles +2
The most luminous galaxies in the present Universe are found at the centers of the most massive dark matter haloes, rich galaxy clusters. In the LCDM cosmology, such massive halo c…
astro-ph2002
Cosmological Origin of the Stellar Velocity Dispersions in Massive Early-Type Galaxies
Abraham Loeb, P. J. E. Peebles
We show that the observed upper bound on the line-of-sight velocity dispersion of the stars in an early-type galaxy, sigma<400km/s, may have a simple dynamical origin within the LC…