Evidence for rapid disk formation and reprocessing in the X-ray bright tidal disruption event AT 2018fyk

T. Wevers, D. R. Pasham, S. van Velzen +15

We present optical spectroscopic and Swift UVOT/XRT observations of the X-ray and UV/optical bright tidal disruption event (TDE) AT 2018fyk/ASASSN-18ul discovered by ASAS-SN. The S…