Steps toward determination of the size and structure of the broad-line region in active galactic nuclei. IV - Intensity variations of the optical emission lines of NGC 5548
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| Description | scientific article published in the Astrophysical Journal |
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author: Wolfram Kollatschny Martin Elvis Howard Alan Smith Jill Bechtold Hagai Netzer |
| Publication date | May 1993 |
| Language | English |
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| Missing/wrong data? | Edit Wikidata item |