Annu. Rev. Astron. Astrophys. 1979. 17: 135-87
Copyright © 1979 by . All rights reserved

Reprinted with kind permission from , 4139 El Camino Way, Palo Alto, California, USA


MASSES AND MASS-TO-LIGHT RATIOS OF GALAXIES 1

S. M. Faber 2

Lick Observatory, Board of Studies in Astronomy and Astrophysics,
University of California, Santa Cruz, California 95064

J. S. Gallagher

Department of Astronomy, University of Illinois, Urbana, Illinois 61801


Table of Contents

INTRODUCTION

THE MILKY WAY
The Solar Neighborhood, a Benchmark in M/L
Mass of the Milky Way

MASS-TO-LIGHT RATIOS OF SPIRAL GALAXIES
Observed Rotation Curves
Mass-to-Light Ratios

MASS-TO-LIGHT RATIOS OF E AND S0 GALAXIES

MASS-TO-LIGHT RATIOS OF BINARY GALAXIES

DYNAMICS OF SMALL GROUPS OF GALAXIES
Crossing Times
Mass-to-Light Ratios
Compact Groups
The Local Group
Conclusion

GALAXY MASSES FROM CLUSTER MEMBERSHIP
The Virial Theorem
Other Methods of Mass Determination
Uncertainties
Conclusion

CODA

REFERENCES



1 Supported in Part by the Alfred P. Sloan Foundation and National Science Foundation Grant No. AST 77-18270.

2 Alfred P. Sloan Research Fellow.

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