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Date and Time of the Query: 2019-06-26 T13:09:21 PDT
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For refcode 2012AJ....144...57F:
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Copyright by American Astronomical Society. Reproduced by permission
2012AJ....144...57F Extremely Isolated Early-type Galaxies in the Sloan Digital Sky Survey. I. The Sample Fuse, C.; Marcum, P.; Fanelli, M. Abstract. We describe the properties of a sample of extremely isolated early-type galaxies (IEGs) selected from the spectroscopic Sloan Digital Sky Survey. Sample galaxies are isolated from nearest neighbors more luminous than M_V_ = --16.5 by a minimum distance corresponding to 2.5 Mpc and 350 km s^--1^ in redshift space. The candidate IEGs exhibit a number of unusual features as compared to bulge-dominated galaxies in cluster and group environments, including fainter luminosities, blue colors suggesting possible recent star formation, and smaller physical sizes. The paper is the first in a series analyzing this isolated galaxy sample. Key words: galaxies: elliptical and lenticular, cD, galaxies: photometry
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