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astro-ph1999
Status of Cosmology
Joel R. Primack
The cosmological parameters that I will emphasize are the Hubble parameter km s Mpc, the age of the universe , the average matter density $Ω_m…
astro-ph1999
Breaking the Disk/Halo Degeneracy with Gravitational Lensing
Ariyeh H. Maller, Luc Simard, Puragra Guhathakurta +4
The degeneracy between the disk and the dark matter contribution to galaxy rotation curves remains an important uncertainty in our understanding of disk galaxies. Here we discuss a…
astro-ph1999
Clustering of high-redshift galaxies: relating LBGs to dark matter halos
Risa H. Wechsler, James S. Bullock, Rachel S. Somerville +4
We investigate the clustering properties of high-redshift galaxies within three competing scenarios for assigning luminous galaxies to dark matter halos from N-body simulations: a…