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The Galactic Supermassive Black Hole
Fulvio Melia

Book Description | Reviews
Chapter 1 [in PDF format]

TABLE OF CONTENTS:

Foreword vii
Preface xiii

CHAPTER 1: The Galactic Center 1
1.1 Discovery of Sagittarius A* 2
1.2 Radio Morphology of the Central Region 5
1.3 X-ray Morphology of the Central Region 10
1.4 Sagittarius A East 17

CHAPTER 2: The Radio Source Sagittarius A* 25
2.1 Position of Sagittarius A* 27
2.2 Proper Motion 32
2.3 Structure as a Function of Frequency 37

CHAPTER 3: Sagittarius A*’s Spectrum 42
3.1 The Radio Spectrum 42
3.2 Linear and Circular Polarization 46
3.3 Infrared Observations 55
3.4 X-ray Observations 58
3.5 Observed High-Energy Characteristics 65

CHAPTER 4: Variability 71
4.1 Short-Term Variability in the IR and X-rays 71
4.2 Long-Term Variability in the Radio 81

CHAPTER 5: The Central Star Cluster 86
5.1 The Stellar Cusp Surrounding the Black Hole 87
5.2 Stellar Constituents and Dynamics 101
5.3 Stellar Orbits and the Enclosed Mass 109

CHAPTER 6: The Four-Dimensional Spacetime 114
6.1 The Flat Spacetime Metric 114
6.2 Relativistic Transformation of Physical Laws 126
6.3 Accelerated Frames 132
6.4 General Relativity 137
6.5 Particle Orbits and Trajectories 140
6.6 The Kerr Metric 149

CHAPTER 7: Mass Accretion and Expulsion 156
7.1 Sagittarius A*’s Gaseous Environment 158
7.2 Bondi-Hoyle Capture from Distributed Sources 162
7.3 Accretion Close to Sagittarius A* 165
7.4 Magnetic Field Dissipation 167
7.5 A Compact Magnetized Disk 176
7.6 Expulsion of Matter 204

CHAPTER 8: Flares 226
8.1 Flare Physics 226
8.2 Periodicity 234
8.3 General Relativistic Flux Modulations 240

CHAPTER 9: Strong Field Physics 245
9.1 Spin-Induced Disk Precession 246
9.2 Microlensing 251
9.3 Imaging the Shadow of the Black Hole 259

References 265
Index 287

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File created: 11/11/2014

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