The morphology-density relation-The group connection
M Postman, MJ Geller - … Journal, Part 1 (ISSN 0004-637X), vol …, 1984 - adsabs.harvard.edu
The relationship between galaxy morphology and local density is derived from two complete
galaxy redshift surveys. This relationship is completely consistent with the one derived by
Dressler for a sample of 55 rich clusters. The apparently universal morphology-density
relation extends over six orders of magnitude in galaxy space density. There is no
dependence of galaxy morphology on density in regions where the dynamical time scale is
comparable with or greater than the Hubble time. At densities greater than about 600 …
galaxy redshift surveys. This relationship is completely consistent with the one derived by
Dressler for a sample of 55 rich clusters. The apparently universal morphology-density
relation extends over six orders of magnitude in galaxy space density. There is no
dependence of galaxy morphology on density in regions where the dynamical time scale is
comparable with or greater than the Hubble time. At densities greater than about 600 …
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