The galaxy optical luminosity function from the AGN and galaxy evolution survey

  • Richard J. Cool
  • , Daniel J. Eisenstein
  • , Christopher S. Kochanek
  • , Michael J.I. Brown
  • , Nelson Caldwell
  • , Arjun Dey
  • , William R. Forman
  • , Ryan C. Hickox
  • , Buell T. Jannuzi
  • , Christine Jones
  • , John Moustakas
  • , Stephen S. Murray

Research output: Contribution to journalReview articlepeer-review

43 Scopus citations

Abstract

We present the galaxy optical luminosity function for the redshift range 0.05 < z < 0.75 from the AGN and Galaxy Evolution Survey, a spectroscopic survey of 7.6 deg2 in the Boötes field of the NOAO Deep Wide-Field Survey. Our statistical sample is composed of 12,473 galaxies with known redshifts down to I = 20.4 (AB). Our results at low redshift are consistent with those from Sloan Digital Sky Survey; at higher redshift, we find strong evidence for evolution in the luminosity function, including differential evolution between blue and red galaxies. We find that the luminosity density evolves as (1 + z)(0.54 0.64) for red galaxies and (1 + z)(1.64 0.39) for blue galaxies.

Original languageEnglish (US)
Article number10
JournalAstrophysical Journal
Volume748
Issue number1
DOIs
StatePublished - Mar 20 2012
Externally publishedYes

Keywords

  • galaxies: luminosity function, mass function
  • galaxies: statistics

ASJC Scopus subject areas

  • Astronomy and Astrophysics
  • Space and Planetary Science

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