The Faint‐End Slopes of Galaxy Luminosity Functions in the COSMOS Field
The Astrophysical Journal2008Vol. 672(1), pp. 198–206
Citations Over TimeTop 13% of 2008 papers
Charles Liu, P. Capak, Bahram Mobasher, Timothy A. D. Paglione, R. Michael Rich, Nicholas Z. Scoville, S. Tribiano, Neil deGrasse Tyson
Abstract
We examine the faint-end slope of the rest-frame V-band luminosity function (LF), with respect to galaxy spectral type, of field galaxies with redshift z < 0:5, using a sample of 80,820 galaxies with photometric redshifts in the 2 deg2 Cosmic Evolution Survey (COSMOS) field. For all galaxy spectral types combined, the LF slope ranges from1.24 to1.12, from the lowest redshift bin to the highest. In the lowest redshift bin (0:02 < z < 0:1), where the magnitude limit isMV P13, the slope ranges from 1:1 for galaxies with early-type spectral energy distributions (SEDs)
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