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The Disk Wind Model of the Broad Line Region of Active Galactic Nuclei

Published online by Cambridge University Press:  12 April 2016

J. Chiang  and
N. Murray
J. Chiang
Affiliation:
Canadian Institute for Theoretical Astrophysics, 60 St George Street, Toronto, Ontario, M5S 3H8, Canada
N. Murray
Affiliation:
Canadian Institute for Theoretical Astrophysics, 60 St George Street, Toronto, Ontario, M5S 3H8, Canada

Abstract

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In a fashion similar to winds in O stars, the AGN disk winds may be responsible for the broad, blue-shifted absorption of resonance lines which characterize the Broad Absorption Line QSOs. The dynamical features of the disk wind may also account for many of the properties of the broad emission lines of AGN. Although the velocity field of the material responsible for the line emission is primarily that of the accretion disk, the presence of an accelerated radial wind influences the line formation so that single-peaked profiles are generic. Further, the recent reverberation mapping response of NGC 5548 is also qualitatively explained by these same radiative transfer effects.

Type
Part 13. Large and Small Scale Disks in AGN
Information
International Astronomical Union Colloquium , Volume 163: Accretion Phenomena and Related Outflows , 1997 , pp. 615 - 619
Copyright
Copyright © Astronomical Society of the Pacific 1997

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