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The cD Galaxy in Abell Cluster 1775

Published online by Cambridge University Press:  12 April 2016

J. J. E. Hayes  and
B. Bhattacharya
J. J. E. Hayes
Affiliation:
Space Telescope Science Institute, 3700 San Martin Drive Baltimore, MD 21218
B. Bhattacharya
Affiliation:
Space Telescope Science Institute, 3700 San Martin Drive Baltimore, MD 21218

Abstract

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Over the last 20 years, a number of workers have studied the multiple nuclei cD galaxy in the rich Abell cluster 1775, trying to discover its nature. In all the cases though, very little has been published concerning its morphology. The majority of arguments about the nature of the this object have been based on the relative radial velocities of the 2 components with each other and with the other galaxies in the cluster, or its radio morphology. Very little work has been done on the optical morphology. To rectify that lack of data, we have obtained BVRI CCD images of the cD. We find from our CCD data that the cD is unlikely to be a bound object and that there is strong evidence for an collision.

Type
III. Observations of Related Objects
Information
International Astronomical Union Colloquium , Volume 124: Paired and Interacting Galaxies , 1990 , pp. 195 - 199
Copyright
Copyright © NASA 1990

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