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The stellar populations and dynamics of elliptical galaxies in compact groups

Published online by Cambridge University Press:  07 August 2017

Stephen E. Zepf
Stephen E. Zepf*
Affiliation:
Dept. of Physics and Astronomy, Johns Hopkins University Space Telescope Science Institute

Abstract

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We present a study of the photometric and spectroscopic properties of elliptical galaxies in compact groups. We find that although some elliptical galaxies are affected by interactions and mergers, the current merger rate is small, even in compact groups of galaxies. We also find tentative evidence that the central velocity dispersions of elliptical galaxies in compact groups are lower than the velocity dispersions of similar galaxies in other environments.

Type
Poster Papers
Information
Symposium - International Astronomical Union , Volume 149: The Stellar populations of Galaxies , 1992 , pp. 509
Copyright
Copyright © Kluwer 

References

Hickson, P. 1982, Ap. J. , 255, 382.CrossRefGoogle Scholar
Zepf, S.E. and Whitmore, B.C. 1991, Ap.J., in press.Google Scholar
Zepf, S.E., Whitmore, B.C., and Levison, H.F. 1991, Ap. J. , in press.Google Scholar