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Preprint
The Broad-band Optical Properties of Galaxies with Redshifts 0.0 < z < 0.2
ArXiv.org
23 Sep 2002
Abstract
Astrophys.J.594:186,2003 Using photometry and spectroscopy of 144,609 galaxies from the Sloan Digital
Sky Survey, we present bivariate distributions of pairs of seven galaxy
properties: four optical colors, surface brightness, radial profile shape as
measured by the Sersic index, and absolute magnitude. In addition, we present
the dependence of local galaxy density (smoothed on 8 h^{-1} Mpc scales) on all
of these properties. Several classic, well-known relations among galaxy
properties are evident at extremely high signal-to-noise ratio: the color-color
relations of galaxies, the color-magnitude relations, the magnitude-surface
brightness relation, and the dependence of density on color and absolute
magnitude. We show that most of the i-band luminosity density in the universe
is in the absolute magnitude and surface brightness ranges used. Some of the
relationships between parameters, in particular the color--magnitude relations,
show stronger correlations for exponential galaxies and concentrated galaxies
taken separately than for all galaxies taken together. We provide a simple set
of fits of the dependence of galaxy properties on luminosity for these two sets
of galaxies.
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Details
- Title
- The Broad-band Optical Properties of Galaxies with Redshifts 0.0 < z < 0.2
- Creators
- M. R BlantonD. W HoggN. A BahcallI. K BaldryJ BrinkmannI CsabaiD. J EisensteinM FukugitaJ. E GunnZ IvezicD. Q LambR. H LuptonJ LovedayJ. A MunnR. C NicholS OkamuraD. J SchlegelK ShimasakuM. A StraussM. S VogeleyD. H Weinberg
- Publication Details
- ArXiv.org
- Resource Type
- Preprint
- Language
- English
- Academic Unit
- Physics
- Other Identifier
- 991021866375004721