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The Diversity of Broad Emission-Line Profiles

Published online by Cambridge University Press:  12 April 2016

Giovanna M. Stirpe
Affiliation:
Osservatorio Astronomico di Bologna, Via Zamboni 33, 40126 Bologna, Italy
Andrew Robinson
Affiliation:
Division of Physical Sciences, University of Hertfordshire, College Lane, Hatfield, Herts AL109AB, UK
David J. Axon
Affiliation:
Space Telescope Science Institute, 3700 San Martin Drive, Baltimore, MD 21218, USA

Abstract

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We present preliminary results from a study of broad-line profiles in active galaxies. A simple model in which the emissivity is a broken power-law function of radius, and the BLR clouds emit anisotropically, yields very good fits to almost all the Ha profiles in our data base.

Type
III. Broad-Line Profiles and Variability
Copyright
Copyright © Astronomical Society of the Pacific 1997