ARlogo Annu. Rev. Astron. Astrophys. 2009. 47: 159-210
Copyright © 2009 by Annual Reviews. All rights reserved

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PHYSICAL PROPERTIES AND ENVIRONMENTS OF NEARBY GALAXIES

Michael R. Blanton and John Moustakas


Center for Cosmology and Particle Physics, Department of Physics,
New York University, 4 Washington Place, New York, NY 10003

Abstract: We review the physical properties of nearby, relatively luminous galaxies, using results from newly available massive data sets together with more detailed observations. First, we present the global distribution of properties, including the optical and ultraviolet luminosity, stellar mass, and atomic gas mass functions. Second, we describe the shift of the galaxy population from "late" galaxy types in underdense regions to "early" galaxy types in overdense regions. We emphasize that the scaling relations followed by each galaxy type change very little with environment, with the exception of some minor but detectable effects. The shift in the population is apparent even at the densities of small groups and therefore cannot be exclusively due to physical processes operating in rich clusters. Third, we divide galaxies into four crude types - spiral, lenticular, elliptical, and merging systems - and describe some of their more detailed properties. We attempt to put these detailed properties into the global context provided by large surveys.


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