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Article Contents

ABSTRACT

1.INTRODUCTION

2.OBSERVATIONS
2.1.A brief history
2.2.HST observations
2.3.A compilation and estimate of the intrinsic dispersion in M0V

3.THE PRIMARY UNCERTAINTIES
3.1.Local calibrators
3.2.Universality
3.3.Extinction
3.4.Effect of "peculiar" velocities on the calculation of H0
3.5.Error estimate

4.THEORY (OR LACK THEREOF)

5.ESTIMATES OF H0
5.1.A new estimate of H0 using the Fornax cluster

6.SUMMARY
6.1.Observing strategies
6.2.Future Work
6.3.Conclusions

REFERENCES