Extreme line profile variations in the repeating changing-look active galactic nucleus IRAS23226-3843

Wolfram Kollatschny, Dirk Grupe, Hartmut Winkler +7

IRAS23226-3843 has been identified as a highly variable Seyfert galaxy and even as a changing-look active galactic nucleus based on optical spectra. Here we present follow-up obser…