On type 1 active galactic nuclei with double-peaked [O~{\sc iii}]. I. data sample and basic results

Qi Zheng, Yansong Ma, Xueguang Zhang +2

Double-peaked narrow emission lines (DPNELs) might be evidence for the existence of kpc-scale dual AGNs. There are so far large samples of objects with DPNELs in narrow emission li…