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Article Contents

TITLE PAGE

1.INTRODUCTION

2. THE MILKY WAY

2.1.The Solar Neighborhood, a Benchmark in M/L

2.2.Mass of the Milky Way

3.MASS-TO-LIGHT RATIOS OF SPIRAL GALAXIES

3.1.Observed Rotation Curves

3.2.Mass-to-Light Ratios

4.MASS-TO-LIGHT RATIOS OF E AND S0 GALAXIES

5.MASS-TO-LIGHT RATIOS OF BINARY GALAXIES

6.DYNAMICS OF SMALL GROUPS OF GALAXIES

6.1.Crossing Times

6.2.Mass-to-Light Ratios

6.3.Compact Groups

6.4.The Local Group

6.5.Conclusion

7.GALAXY MASSES FROM CLUSTER MEMBERSHIP

7.1.The Virial Theorem

7.2.Other Methods of Mass Determination

7.3.Uncertainties

7.4.Conclusion

8.CODA

REFERENCES