Active Galactic Nuclei: From the Central Black Hole to the Galactic Environment

Medientyp: E-Book

Titel: Active Galactic Nuclei : From the Central Black Hole to the Galactic Environment

Enthält: Frontmatter
Contents
Preface
Guide for Readers
1 What Are Active Galactic Nuclei? And Why Does Anyone Care?
2 How to Find AGNs
3 Evolution
4 Global Energetics and Black Holes
5 Black Hole Physics
6 Spherical Accretion
7 Accretion Disks and the Optical/Ultraviolet Continuum
9 Radio Emission and Jets
10 Emission Lines
11 Intrinsic Absorption and Outflows
12 Anisotropic Appearance and Unification of Disparate AGN Varieties
13 Properties of AGN Host Galaxies
14 Onset and Fueling
15 Where We Stand
Appendix A: Basic General Relativity
Appendix B: Basic Magnetohydrodynamics
Appendix C: Shocks and Other Discontinuities
Appendix D: Luminosity Functions and Other Population Statistics
Appendix E: The Tensor Virial Theorem
Appendix F: Kinematics in an Expanding Universe
References
Index

Beteiligte: Krolik, Julian H. [VerfasserIn]

Erschienen: Princeton, NJ: Princeton University Press, [2022]

Umfang: 1 Online-Ressource (632 p.); 8 halftones 111 line illus

Sprache: Englisch

DOI: 10.1515/9780691227474

ISBN: 9780691227474

Identifikator:

Schlagwörter: Active galactic nuclei ; SCIENCE / Physics / Astrophysics

Entstehung:

Anmerkungen: In English

Beschreibung: This is the first comprehensive treatment of active galactic nuclei--the cosmic powerhouses at the core of many distant galaxies. The term active galactic nuclei refers to quasars, radio galaxies, Seyfert galaxies, blazars, and related objects, all of which are believed to share a similar central engine--a supermassive black hole many times the mass of the Sun. Astrophysicists have studied these phenomena for the past several decades and have begun to develop a consensus about many of their properties and internal mechanisms. Julian Krolik, one of the world's leading authorities on the subject, sums up leading ideas from across the entire range of research, making this book an invaluable resource for astronomers, physicists interested in applications of the theory of gravitation, and graduate students. Krolik begins by addressing basic questions about active galactic nuclei: What are they? How can they be found? How do they evolve? He assesses the evidence for massive black holes and considers how they generate power by accretion. He discusses X-ray and g-ray emission, radio emission and jets, emission and absorption lines, anisotropic appearance, and the relationship between an active nucleus and its host galaxy. He explores the mysteries of what ignites, fuels, and extinguishes active galactic nuclei, and concludes with a general review of where the field now stands. The book is unique in paying careful attention to relevant physics as well as astronomy, reflecting in part the importance of general relativity to understanding active galactic nuclei. Clear, authoritative, and detailed, this is crucial reading for anyone interested in one of the most dynamic areas of astrophysics today

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