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Black Hole Models of Quasars

Blandford, R. D. (1986) Black Hole Models of Quasars. In: Quasars. IAU Symposium Proceedings Series. No.119. D. Reidel , Dordrecht, pp. 359-369. ISBN 9789027722973. http://resolver.caltech.edu/CaltechAUTHORS:20181121-081531183

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Abstract

Observations of active galactic nuclei are interpreted in terms of a theoretical model involving accretion onto a massive black hole. Optical quasars and Seyfert galaxies are associated with holes accreting near the Eddington rate and radio galaxies with sub-critical accretion. It is argued that magnetic fields are largely responsible for extracting energy and angular momentum from black holes and disks. Recent studies of electron-positron pair plasmas and their possible role in establishing the emergent X-ray spectrum are reviewed. The main evolutionary properties of active galactic nuclei can be interpreted in terms of a simple model in which black holes accrete gas at a rate dictated by the rate of gas supply which decreases with cosmic time. It may be worth searching for eclipsing binary black holes in lower power Seyferts.


Item Type:Book Section
Related URLs:
URLURL TypeDescription
https://doi.org/10.1017/S0074180900153021DOIArticle
ORCID:
AuthorORCID
Blandford, R. D.0000-0002-1854-5506
Additional Information:© 1986 by the IAU. I thank Drs. Kapahi and Swarup for their kind invitation to attend this symposium and Drs. Phinney, Rees and Schmidt for helpful discussions of AGN evolution. I also thank the US national committee of the IAU for the award of a travel grant and the National Science Foundation for support under grant AST84-15355.
Group:TAPIR
Funders:
Funding AgencyGrant Number
International Astronomical UnionUNSPECIFIED
NSFAST 84-15355
Record Number:CaltechAUTHORS:20181121-081531183
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20181121-081531183
Official Citation:Blandford, R. (1986). Black Hole Models of Quasars. Symposium - International Astronomical Union, 119, 359-369. doi:10.1017/S0074180900153021
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:91122
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:21 Nov 2018 17:17
Last Modified:21 Nov 2018 17:17

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