The CLASS Quasar Catalog: Coronal Line Activity in Type 1 SDSS Quasars

We conduct the first systematic survey of a total of 11 optical coronal lines (CLs) in the spectra of a large sample of low-redshift ( z < 0.8) Type 1 quasars observed by the Sloan Digital Sky Survey (SDSS). We find that strong CL emission is rare in SDSS even in Type 1 quasars; only 885 out of 19,5...

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Autors principals:	Sara Doan, Shobita Satyapal, Michael Reefe, Remington O. Sexton, William Matzko, Jeffrey D. McKaig, Nathan J. Secrest, Jenna M. Cann, Ari Laor, Gabriela Canalizo
Format:	Artigo
Idioma:	Inglês
Publicat:	IOP Publishing 2025-01-01
Col·lecció:	The Astrophysical Journal Supplement Series
Matèries:	Active galactic nuclei Active galaxies Galaxy evolution Interstellar medium Solar coronal lines
Accés en línia:	https://doi.org/10.3847/1538-4365/ade304
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