Comparing field and group galaxies in the MaNGA survey, the authors find that the colour-environment relation is strong for elliptical, lenticular, early-type, and intermediate-type spirals, but weak for late-type spirals and irregulars.
Environmental dependence of different colors in the CMASS sample of the SDSS DR9
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abstract
In this study, I investigate the environmental dependence of galaxy colors in the CMASS sample of the Sloan Digital Sky Survey Data Release 9 (SDSS DR9). To decrease the radial selection effect, I divide the CMASS sample into subsamples with a redshift binning size of 0.01 and analyze the environmental dependence of the u-r, u-g, g-r, r-i and i-z colors for these subsamples in each redshift bin. Statistical analysis shows that all the five colors weakly correlate with the local environment, which may mean that the environmental processes responsible for a galaxy's properties proceed slowly over cosmic time.
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Mapping Nearby Galaxies with Apache Point Observatory: Group and field galaxies' morphologies in the colour-magnitude plane
Comparing field and group galaxies in the MaNGA survey, the authors find that the colour-environment relation is strong for elliptical, lenticular, early-type, and intermediate-type spirals, but weak for late-type spirals and irregulars.