The Mass-Dependent Clustering History of K-selected Galaxies at z < 4 in the SXDS/UDS Field

Details The Mass-Dependent Clustering History of K-selected Galaxies at z < 4 in the SXDS/UDS Field The Mass-Dependent Clustering History of K-selected Galaxies at z < 4 in the SXDS/UDS Field

2011-01-08

arxiv.org/abs/1101.1566v1

Astronomy and Astrophysics

Astrophysics

Cosmology and Extragalactic Astrophysics

13 pages, 13 figures, 2 tables

Scientific paper

We investigate mass-dependent galaxy evolution based on a large sample of (more than 50,000) K-band selected galaxies in a multi-wavelength catalog of the Subaru/XMM-Newton Deep Survey (SXDS) and the UKIRT Infrared Deep Sky Survey (UKIDSS)/Ultra Deep Survey (UDS). We employ the optical to near-infrared photometry to determine photometric redshifts of these galaxies. Then, we estimate the stellar mass of our sample galaxies using a standard fitting procedure. From the sample galaxies, we obtain the stellar mass function of galaxies and the cosmic stellar mass density up to z<4. Our results are consistent with previous studies and we find a considerable number of low-mass galaxies (M<10^{10.5}) at the redshift range 3

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