TCP J21130799-6242222 = BraTS-SON-T2-018 (UG:)
https://www.aavso.org/vsx/index.php?view=detail.top&oid=1545807
Discovery announcements:
http://www.cbat.eps.harvard.edu/unconf/followups/J21130799-6242222.html
http://www.astronomy.ohio-state.edu/~assassin/transients.html
Complete ASAS-SN Sky Patrol (Shappee et al. 2014ApJ...788...48S and Kochanek et al. 2017PASP..129j4502K) light curve and data: https://asas-sn.osu.edu/light_curves/59897bf7-fc67-41b9-822a-6d86e39326…
Time-resolved as well as multiband photometry is urgently required.
Clear skies,
Patrick