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

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

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.