Origin of the Double-peaked Narrow Emission Lines in the Optical Spectra of X-shaped Radio Galaxies

We investigate X-shaped radio galaxies (XRGs) with optical double-peaked narrow emission lines (DPNELs) as potential hosts of dual or binary supermassive black holes (SMBHs). Using available optical spectra from the Sloan Digital Sky Survey and the Dark Energy Spectroscopy Instrument survey, we iden...

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Κύριοι συγγραφείς:	Ghosh Prajnadipt, Ravi Joshi, Xiaolong Yang, Yingkang Zhang, Gopal-Krishna, Paul J. Wiita, Dusmanta Patra, Ankit Patel, Arti Goyal, Gourab Giri, Santanu Mondal, Vibhore Negi, Marek Weżgowiec, Katarzyna Małek, Xue-Bing Wu, Luis C. Ho
Μορφή:	Artigo
Γλώσσα:	Inglês
Έκδοση:	IOP Publishing 2026-01-01
Σειρά:	The Astrophysical Journal
Θέματα:	Galaxies Active galaxies Active galactic nuclei Radio jets Supermassive black holes Radio galaxies
Διαθέσιμο Online:	https://doi.org/10.3847/1538-4357/ae8093
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