Statistics
Scientific paper
Jul 2007
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007ap.....50..273d&link_type=abstract
Astrophysics, Volume 50, Issue 3, pp.273-282
Statistics
2
Galaxies, Fundamental Parameters, Statistics
Scientific paper
We have investigated the correlations among color, morphology and luminosity for all LRGs, cut I LRGs, cut II LRGs, and Main galaxies that are also classified as LRGs. It is found that the morphology of LRGs is tightly correlated with luminosity. The rest-frame u-g color of cut I LRGs and cut II LRGs is nearly independent of luminosity, but the color of Main galaxies is correlated with luminosity. For cut I LRGs and Main galaxies, the early type proportion apparently changes with color: at the rest-frame u-g < 1.3 it increases strongly with increasing color, while at the rest-frame u-g > 1.3 it decreases with increasing color. We also notice that the morphology of cut II LRGs is only a weak function of color.
Deng Xin-Fa
He Ji-Zhou
Jiang Peng
Qian Xiao-Xia
Wu Patrick
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