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Environmental dependence of different colors in the CMASS sample of the SDSS DR9

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arxiv 1401.0344 v1 pith:D7AVW24K submitted 2014-01-01 astro-ph.CO

classification astro-ph.CO
keywords colorsenvironmentalcmassdependencesamplegalaxyredshiftsdss
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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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Cited by 1 Pith paper

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  1. Mapping Nearby Galaxies with Apache Point Observatory: Group and field galaxies' morphologies in the colour-magnitude plane

    astro-ph.GA 2025-05 conditional novelty 4.0 of 10

    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 spi...

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