Galaxy properties at NGP (Odewahn+ 1995)

Details Galaxy properties at NGP (Odewahn+ 1995) Galaxy properties at NGP (Odewahn+ 1995)

Nov 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996ycat.7204....0o&link_type=abstract

VizieR On-line Data Catalog: VII/204. Originally published in: 1995AJ....110.2009O

Physics

Galaxy Catalogs, Magnitudes

Scientific paper

A two-color study of the galaxies detected on POSS-I in a 289deg2 region centered on the North Galactic Pole is presented. We use a variety of mapping techniques to characterize the large-scale spatial distribution of galaxies. The depth and sample size of this new survey allows, for the first time, the isolation of large photometric subsamples of galaxies in high- and low-density environments on the scale of superclusters. Our principal finding is a statistically significant difference between the mean photometric properties of these subsamples in the sense that galaxies in the high-density Coma and filament environments have redded colors and larger concentration indices than galaxies drawn from low-density interfilament regions. These results are in agreement with the known morphology-density relation. (1 data file).

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