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Physical Properties and Environments of Nearby Galaxies

2009/08/20 by Michael R. Blanton, John Moustakas · 2 citations
Physics and Astronomy · #Astronomy #Astronomy and Astrophysical Research #Astrophysics #Context (archaeology) #Elliptical galaxy #Galaxies: Formation, Evolution, Phenomena #Galaxy #Galaxy group #Galaxy merger #Geography #Interacting galaxy #Lenticular galaxy #Luminosity #Peculiar galaxy #Physics #Population #Scientific Research and Discoveries #Spiral galaxy #astro-ph.CO #astro-ph.GA

paper · pdf · doi:10.1146/annurev-astro-082708-101734

Annual Reviews of Astronomy and Astrophysics, Vol. 47, in press, full resolution version at http://howdy.physics.nyu.edu/index.php/Blanton_and_Moustakas_ARAA_47

arxiv created 2009/08/20 · openalex publication_date 2009/08/20 · arxiv updated 2015/05/14 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/05

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 (UV) 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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