XMMSL1 J074008.2-853927: a tidal disruption event with thermal and non-thermal components

Understand

We study X-ray bright tidal disruption events (TDE), close to the peak of their emission, with the intention of understanding the evolution of their light curves and spectra.

• Candidate TDE are identified by searching for soft X-ray flares from non-active galaxies in recent XMM-Newton slew data.
• In April 2014, X-ray emission was detected from the galaxy XMMSL1 J074008.2-853927 (a.k.a.
• 2MASX 07400785-8539307), a factor 20 times higher than an upper limit from 20 years earlier.