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The Narrow Emission Lines of Seyfert 1 Galaxies: Comparisons with a Large SDSS Sample

We analyzed a large sample of Sloan Digital Sky Survey spectra of Seyfert galaxies, subdividing type 1 Seyferts (Sy1s) based on their narrow to broad H α components. Comparing their narrow lines (NLs) to type 2 Seyferts (Sy2s) in line-ratio diagrams, most of the NLs of strong Sy1.0/Sy1.2s (with domi...

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Principais autores: Matthew A. Malkan, Lisbeth D. Jensen, Lei Hao
Format: Artigo
Jezik:Inglês
Izdano: IOP Publishing 2026-01-01
Serija:The Astrophysical Journal
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Online dostop:https://doi.org/10.3847/1538-4357/ae232e
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