Accretion Power in Astrophysics,9780521629577

Accretion Power in Astrophysics

by
Edition: 3rd
ISBN13: 9780521629577
ISBN10: 0521629578
Format: Paperback
Pub. Date: 2002-02-11
Publisher(s): Cambridge University Press
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Summary

This newly expanded and thoroughly updated third edition examines accretion as a source of energy in both binary star systems containing compact objects, and in active galactic nuclei. Assuming a basic knowledge of physics, the authors describe the physical processes at work in accretion discs and other accretion flows. New material includes a detailed treatment of disc instabilities, irradiated discs, disc warping, and general accretion flows. The treatment is suitable for advanced undergraduates, graduate students and researchers.

Table of Contents

Preface to the first edition ix
Preface to the second edition xi
Preface to the third edition xiii
Accretion as a Source of Energy
1(7)
Introduction
1(1)
The Eddington limit
2(3)
The emitted spectrum
5(1)
Accretion theory and observation
6(2)
Gas Dynamics
8(15)
Introduction
8(1)
The equations of gas dynamics
8(3)
Steady adiabatic flows; isothermal flows
11(1)
Sound waves
12(2)
Steady, spherically symmetric accretion
14(9)
Plasma Concepts
23(25)
Introduction
23(1)
Charge neutrality, plasma oscillations and the Debye length
23(3)
Collisions
26(4)
Thermal plasmas: relaxation time and mean free path
30(2)
The stopping of fast particles by a plasma
32(2)
Transport phenomena: viscosity
34(3)
The effect of strong magnetic fields
37(4)
Shock waves in plasmas
41(7)
Accretion in Binary Systems
48(32)
Introduction
48(1)
Interacting binary systems
48(1)
Roche lobe overflow
49(5)
Roche geometry and binary evolution
54(4)
Disc formation
58(5)
Viscous torques
63(6)
The magnitude of viscosity
69(2)
Beyond the α-prescription
71(2)
Accretion in close binaries: other possibilities
73(7)
Accretion Discs
80(72)
Introduction
80(1)
Radial disc structure
80(4)
Steady thin discs
84(4)
The local structure of thin discs
88(2)
The emitted spectrum
90(3)
The structure of steady α-discs (the `standard model')
93(5)
Steady discs: confrontation with observation
98(12)
Time dependence and stability
110(11)
Dwarf novae
121(8)
Irradiated discs
129(10)
Tides, resonances and superhumps
139(9)
Discs around young stars
148(2)
Spiral shocks
150(2)
Accretion on to a Compact Object
152(61)
Introduction
152(1)
Boundary layers
152(6)
Accretion on to magnetized neutron stars and white dwarfs
158(16)
Accretion columns: the white dwarf case
174(17)
Accretion column structure for neutron stars
191(11)
X-ray bursters
202(5)
Black holes
207(2)
Accreting binary systems with compact components
209(4)
Active Galactic Nuclei
213(31)
Observations
213(7)
The distances of active galaxies
220(3)
The sizes of active galactic nuclei
223(2)
The mass of the central source
225(3)
Models of active galactic nuclei
228(2)
The gas supply
230(4)
Black holes
234(4)
Accretion efficiency
238(6)
Accretion Discs in Active Galactic Nuclei
244(23)
The nature of the problem
244(2)
Radio, millimetre and infrared emission
246(1)
Optical, UV and X-ray emission
247(3)
The broad and narrow, permitted and forbidden
250(2)
The narrow line region
252(3)
The broad line region
255(10)
The stability of AGN discs
265(2)
Accretion Power in Active Galactic Nuclei
267(29)
Introduction
267(1)
Extended radio sources
267(5)
Compact radio sources
272(6)
The nuclear continuum
278(3)
Applications to discs
281(4)
Magnetic fields
285(2)
Newtonian electrodynamic discs
287(2)
The Blandford-Znajek model
289(3)
Circuit analysis of black hole power
292(4)
Thick Discs
296(23)
Introduction
296(2)
Equilibrium figures
298(5)
The limiting luminosity
303(3)
Newtonian vorticity-free torus
306(3)
Thick accretion discs
309(5)
Dynamical stability
314(2)
Astrophysical implications
316(3)
Accretion Flows
319(26)
Introduction
319(1)
The equations
320(3)
Vertically integrated equations - slim discs
323(2)
A unified description of steady accretion flows
325(6)
Stability
331(2)
Optically thin ADAFs - similarity solutions
333(1)
Astrophysical applications
334(3)
Caveats and alternatives
337(5)
Epilogue
342(3)
Appendix Radiation processes 345(5)
Problems 350(16)
Bibliography 366(14)
Index 380

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