Published in "Galaxies and the Universe", "Stars and Stellar Systems, Vol. IX", eds. A. Sandage, M. Sandage and J. Kristian, 1975.

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CHAPTER 15
Clusters of Galaxies

G.O. Abell


Department of Astronomy, University of California, Los Angeles


Table of Contents

INTRODUCTION

NUMBERS AND CATALOGS OF CLUSTERS

OBSERVED PROPERTIES OF CLUSTERS
TYPES OF CLUSTERS
GALAXIAN CONTENT OF CLUSTERS
THE LUMINOSITY FUNCTION AND COLORS OF CLUSTER GALAXIES
POPULATIONS OF CLUSTERS
SIZES AND STRUCTURES OF CLUSTERS
VELOCITY DISPERSIONS IN CLUSTERS

DYNAMICS OF CLUSTERS
GENERAL CONSIDERATIONS
MASSES OF CLUSTERS
FORMATION AND EVOLUTION OF CLUSTERS

THE DISTRIBUTION OF CLUSTERS
THE EVIDENCE FOR THE LOCAL SUPERCLUSTER
OTHER EVIDENCE OF SECOND-ORDER CLUSTERS
THE LARGE-SCALE DISTRIBUTION OF CLUSTERS AND THE MEAN DENSITY OF MATTER IN THE UNIVERSE

REFERENCES

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