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Populations of galaxy groups in clusters from wide-field multicolor imaging

Published online by Cambridge University Press:  06 October 2004

I. H. Li ,
H. K. C. Yee ,
E. Ellingson  and
G. Laurent
I. H. Li
Affiliation:
Department of Astronomy and Astrophysics, University of Toronto, 60 St. George Street, Toronto, ON, M5S 3H8, Canada email: [email protected], [email protected]
H. K. C. Yee
Affiliation:
Department of Astronomy and Astrophysics, University of Toronto, 60 St. George Street, Toronto, ON, M5S 3H8, Canada email: [email protected], [email protected]
E. Ellingson
Affiliation:
Center for Astrophysics and Space Astronomy, CB389, University of Colorado, Boulder, CO 80309, USA email: [email protected], [email protected]
G. Laurent
Affiliation:
Center for Astrophysics and Space Astronomy, CB389, University of Colorado, Boulder, CO 80309, USA email: [email protected], [email protected]
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Abstract

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We present the preliminary results of BVRI imaging of six clusters chosen from a follow-up project of the CNOC cluster survey. In an attempt to ascertain the evolution of galaxies in the cluster environment, we focus on the infalling galaxy groups, especially on their characteristics reflected by their color properties. To investigate the role of cluster environment in the evolution of galaxy groups, the color properties of galaxy groups are explored as a function of cluster radius and the local density of cluster galaxies. Both the radius and the local density affect the properties of groups, but evidence suggests that density may be more important in the relationship between cluster environment and galaxy characteristics.To search for other articles by the author(s) go to: http://adsabs.harvard.edu/abstract_service.html

Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 2004 , Issue IAUC195 , March 2004 , pp. 426 - 428
Copyright
© 2004 International Astronomical Union