Mathematics – Logic
Scientific paper
May 1982
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982aj.....87..731b&link_type=abstract
ASTRONOMICAL JOURNAL V. 87, P. 731, 1982
Mathematics
Logic
38
Scientific paper
We present the results of a 21-cm H I and UBV photometric survey of 235 disk galaxies in nine nearby clusters. Using an analysis which does not employ morphological types, we find that most of our clusters do not preferentially contain gas-deficient spirals. Moreover, there is little difference between the color distributions of cluster spirals and the spirals catalogued in the Second Reference Catalog of Bright Galaxies (de Vaucouleurs et al. 1976), although the cluster spirals are slightly redder in the mean. The Coma cluster is the only cluster in our sample exhibiting a large fraction of H i-deficient spirals and having other characteristics consistent with present-day spiral-to-SO conversion. In general, the gas contents of cluster spirals are not well correlated with their colors; there is a weak trend for gas-poor galaxies to be red, but gas-rich galaxies of all colors can be found.
Bothun Gragory D.
Schommer Robert A.
Sullivan Woodruff T. III
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