Changing-look Active Galactic Nuclei from SDSS, LAMOST and DESI Surveys

Guohai Chen, Wenxin Yang, Xuhong Ye +4

Results. We identify 45 CLAGNs, of which 40 are newly reported. The sample is dominated by turn-off events, comprising 43 turn-off and 2 turn-on sources. This may be because Type 2…