Abstract
Abstract In this work, the apparent-magnitude limited Main galaxy sample of the Sloan Digital Sky Survey Data Release 8 (SDSS DR8) is applied to examine the correlation between u-band luminosity and environment at fixed parameters or for different galaxy families. Statistical results show that the abnormal environmental dependence of u-band luminosity for late-type galaxies and Low Stellar Mass (LSM) galaxies is fairly strong in the redshift range 0.03 ≤ z ≤ 0.09, while that for early-type galaxies, High Stellar Mass (HSM) galaxies, red galaxies, and blue galaxies is very weak in nearly all redshift bins. The result of this study further demonstrates that color is indeed fundamental in correlations between galaxy properties and the environment and that much of the u-band luminosity–density relation is likely due to the relation between color and density.
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