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Broad Absorption Line QSOs

Published online by Cambridge University Press:  19 July 2016

David A. Turnshek
David A. Turnshek*
Affiliation:
Space Telescope Science Institute, Baltimore, MD, 21218, USA

Abstract

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Observational constraints on models for broad absorption line (BAL) QSOs are discussed. The picture which emerges is one in which the broad absorption line region (BALR) contributes to the broad emission line region (ELR) as a high ionization component. Depending on QSO luminosity, the limits on the distance of the BALR from the central source are 1–1000 pc. A highly metal enriched and disk-like geometry for the region is indicated. The similarity between the absorption in some radio quiet BAL QSOs and the associated complexes of absorption in some radio loud QSOs may indicate that the BALR outflow can affect the region surrounding a QSO out to distances in excess of several hundred kpc.

Type
III. Spectral Line Studies
Information
Symposium - International Astronomical Union , Volume 119: Quasars , 1986 , pp. 317 - 330
Copyright
Copyright © Reidel 1986 

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