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Infall of Galaxies into the Virgo Cluster

Published online by Cambridge University Press:  04 August 2017

E. Shaya  and
R. Brent Tully
E. Shaya
Affiliation:
Institute for Astronomy, University of Hawaii
R. Brent Tully
Affiliation:
Institute for Astronomy, University of Hawaii

Extract

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There are a subtantial number of galaxies in the Virgo southern extention just beyond the Virgo Cluster which are blueshifted with respect to the cluster and a lesser number of galaxies slightly nearer than the Virgo Cluster which are redshifted with respect to the cluster. These galaxies must be falling into the cluster. We are able to model the observed infall motions by following the collapse of spherical shells with the Friedmann equations in a closed universe. A family of mass-age solutions provide satisfactory fits to the observations.

Type
Research Article
Information
Symposium - International Astronomical Union , Volume 104: Early Evolution of the Universe and Its Present Structure , 1983 , pp. 259 - 260
Copyright
Copyright © Reidel 1983