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Article Contents

ABSTRACT

1.INTRODUCTION

2.BLACK HOLE MASS ESTIMATES: A CRITICAL REVIEW
2.1.A Discrepancy, and its Resolution
2.2.Pitfalls of Stellar Dynamical Mass Estimation

3.SUPERMASSIVE BLACK HOLES IN ACTIVE GALACTIC NUCLEI
3.1.AGN Black Hole Demographics from the Mbullet - Mbulge Relation
3.2.AGN Black Hole Demographics from the Mbullet - sigma Relation

4.RECENT AND FUTURE REFINEMENTS OF THE Mbullet - sigma RELATION
4.1.M33 - No Supermassive Black Hole?
4.2.Other New Data from HST
4.3.The Future

5.ORIGIN OF THE Mbullet - sigma RELATION

REFERENCES