Double-peaked emission lines as a probe
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Michael Eracleous; Karen T. Lewis; Hélène M.L.G. Flohic
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Article
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2009
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Elsevier Science
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English
β 924 KB
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