Origin of the double-peaked narrow emission-lines in the optical spectra of X-shaped Radio Galaxies

Ghosh Prajnadipt, Ravi Joshi, Xiaolong Yang +13

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…