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For refcode 1998AJ....116.1118D:
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1998AJ....116.1118D THE FAINT END OF THE GALAXY LUMINOSITY FUNCTION IN ABELL 426 AND 539 ROBERTO DE PROPRIS Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA 91109; propris@coma.jpl.nasa.gov AND CHRISTOPHER J. PRITCHET Department of Physics and Astronomy, University of Victoria, P.O. Box 3055, Victoria, BC V8W 3P6, Canada; pritchet@clam.phys.uvic.ca Received 1998 February 20; revised 1998 May 19 ABSTRACT We derive I-band luminosity functions for galaxies in Abell 426 (Perseus and Abell 539, two rich, low Galactic latitude clusters at moderate redshift. Cluster members are selected via the color-magnitude relation for bright galaxies. We find {alpha} = -1.56 +/- 0.07 for Perseus over the range -19.4 < M_I_ < -13.4 (15 < I < 21) and {alpha} = -1.42 +/- 0.14 for - 18.5 < M_I_ < -14 (17 < I < 21.5) for A539. These luminosity functions are similar to those derived in Virgo and Fornax, weakly supporting claims for the existence of a universal luminosity function for galaxies in clusters. Key words: galaxies: clusters: individual (Abell 426, Abell 539)-galaxies: luminosity function, mass function
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