Cluster Dynamics and Cluster Masses

Details Cluster Dynamics and Cluster Masses Cluster Dynamics and Cluster Masses

1995-10-18

arxiv.org/abs/astro-ph/9510091v1

Astronomy and Astrophysics

Astrophysics

uuencoded gziped PostScript, 12 pages including figures

Scientific paper

In spite of the promise of new techniques for constraining the mass distribution in galaxy clusters, much remains to be learned from galaxy orbital velocities. This article reviews the theory of potential estimation in hot dynamical systems like galaxy clusters. An analysis is presented of the Coma cluster, based on a sample of about 1500 galaxies with probable membership, of which 450 have measured velocities. We find no significant evidence for a core in either the galaxy number densities or the mass distribution.

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