The velocity distribution of quasar/AGN broad emission line clouds

Details The velocity distribution of quasar/AGN broad emission line clouds The velocity distribution of quasar/AGN broad emission line clouds

Sep 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987apj...320...85p&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 320, Sept. 1, 1987, p. 85-95. Research supported by the Lawrence Livermore

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Active Galactic Nuclei, Emission Spectra, Molecular Clouds, Quasars, Velocity Distribution, Active Galaxies, Computational Astrophysics, Dynamic Models

Scientific paper

The authors deconvolve the effects of geometric projection from the observed broad emission line profiles from a number of active galaxies to reveal the intrinsic brightness versus velocity function of the emission-line clouds. The only free parameters in the analysis are (1) the macroscopic symmetry of the emission line region (macrostructure) and (2) the emission anisotropy of individual clouds (microstructure). The authors conclude that the preponderance of evidence indicates that the broad-line emission arises from gas with preferred absolute velocity relative to line center.

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