Galactic Halos Derived from LambdaCDM Cosmology Simulation and their Red-Shift Evolution

Hung-Yu Jian, Chia-Hung Chien, Tzihong Chiueh

Galaxies can form in a sufficiently deep gravitational potential so that efficient gas cooling occurs. We estimate that such potential is provided by a halo of mass $M \gtsim M_{c}…