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American Astronomical Society, Astrophysical Journal, 2(746), p. 160, 2012

DOI: 10.1088/0004-637x/746/2/160

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The Relation Between Galaxy Morphology and Environment in the Local Universe: An RC3-SDSS Picture

Journal article published in 2011 by David J. Wilman ORCID, Peter Erwin
This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Abstract

We present an analysis of the z ~ 0 morphology-environment relation for 911 bright (M_B 10^10.5 Msol galaxies are S0 regardless of halo mass, but satellite S0 galaxies are only found in massive (> 10^13 h^-1 Msol) halos, where they are 69+/-4% of the M_* > 10^10.5 Msol satellite population. This suggests two channels for S0 formation: one for central galaxies, and another which transforms lower mass (M_*