DYNAMICS OF CD CLUSTERS OF GALAXIES .1. REDSHIFT DATA FOR 7 CLUSTERS

被引:69
作者
HILL, JM [1 ]
OEGERLE, WR [1 ]
机构
[1] GODDARD SPACE FLIGHT CTR,GREENBELT,MD 20771
关键词
D O I
10.1086/116688
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
We present the initial results of a spectroscopic study of a sample of cD galaxy clusters. The goal of this program is to study the dynamics of the clusters, with emphasis on determining the nature and frequency of peculiar velocity cD galaxies. In this paper we present redshifts for 611 galaxies in the fields of the rich Abell clusters A193, A399, A401, A1795, A1809, A2063, and A2124. We discuss our data reduction techniques, and compare our derived velocities with previously published values. We find a frequency of emission line galaxies of approximately 6% in clusters, a factor of 2-3 less than the field.
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页码:831 / 847
页数:17
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