1ES 1927+654: An AGN Caught Changing Look on a Timescale of Months - Trakhtenbrot, Benny; Arcavi, Iair; MacLeod, Chelsea L.; Ricci, Claudio; Kara, Erin; Graham, Melissa L.; Stern, Daniel; Harrison, Fiona A.; Burke, Jamison; Hiramatsu, Daichi; Hosseinzadeh, Griffin; Howell, D. Andrew; et al. (The Astrophysical journal, 2019)
Keywords: Active galactic nuclei; Astrophysics; Brightening; Disruption; Emission lines; Galaxies; galaxies: active; galaxies: individual (1ES 1927+654); galaxies: nuclei; Hubble Space Telescope; Line of sight; Luminosity; Occultation; quasars: emission lines; quasars: general; Space telescopes; Spectra; Spectroscopy; Time; Travel time; X-ray emissions