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Hydrogen Balmer emission lines and the complex broad line region structure

✍ Scribed by G. La Mura; F. Di Mille; L.Č. Popović; S. Ciroi; P. Rafanelli; D. Ilić

Publisher
Elsevier Science
Year
2009
Tongue
English
Weight
556 KB
Volume
53
Category
Article
ISSN
1387-6473

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Broad, double-peaked, Balmer emission lines are found in the optical spectra of a relatively small fraction of active galactic nuclei. They can be an extremely useful diagnostic for the structure and dynamics of the ''broad-line region" (the medium that emits the broad emission lines). In general te