Accretion disc cooling and narrow absorption lines in the tidal disruption event AT 2019dsg
Accretion disc cooling and narrow absorption lines in the tidal disruption event AT 2019dsg
ABSTRACT We present the results of a large multiwavelength follow-up campaign of the tidal disruption event (TDE) AT 2019dsg, focusing on low to high resolution optical spectroscopy, X-ray, and radio observations. The galaxy hosts a super massive black hole of mass $\rm (5.4\pm 3.2)\times 10^6\, M_\odot$ and careful analysis finds …