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Inconsistency of Photoionization Models for NGC 5548: Proof of Mechanical Heating?
Published online by Cambridge University Press: 12 April 2016
Abstract
It is shown that, in the case of NGC 5548, photoionization models cannot account for line fluxes, line ratios, and line variations. The assumption that a fraction of the broad-line region is mechanically heated can solve the problem.
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- IV. Physics of the Broad-Line Region
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- Copyright © Astronomical Society of the Pacific 1997