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Article Contents

TITLE PAGE

1.INTRODUCTION

2.INFERENCES INSENSITIVE TO DETAILED MODEL

2.1.Some Fiducial Numbers

2.2.Processes in Ultrahot Thermal Plasma

2.3.Cyclotron/Synchrotron and Inverse Compton Cooling

3.RADIAL ACCRETION FLOWS

3.1.Spherical Accretion

4.BLACK HOLES ACCORDING TO GENERAL RELATIVITY

4.1.The Kerr Metric

4.2.Three Astrophysically Important Relativistic Effects

5.ACCRETION FLOWS WITH ANGULAR MOMENTUM

5.1.Origin of Infalling Matter

5.2.Thin Disks

5.3.General Structure of Tori or Thick Disks

5.4.RADIATION-SUPPORTED TORI

5.5.Ion-Supported Tori

6.JET FORMATION

7.SOME COMMENTS ON PHENOMENOLOGY

7.1.The Continuum Spectrum

7.2.Ordinary QSOs

7.3.Radio Galaxies

7.4.Radio Quasars and Optically Violent Variables (OVVs)

7.5.Hard X-Ray and Gamma-Ray Sources

8.DEMOGRAPHY OF AGNs

9.SOME CONCLUDING COMMENTS

REFERENCES