Central Bureau for Astronomical Telegrams

CBAT "Transient Object Followup Reports"

TCP J14021974-6917122

TCP J14021974-6917122   2020 03 25.2264*  14 02 19.74 -69 17 12.2  14.8 C             Cir       9 0

2020 03 25.2264

Discovered by C. Jacques, C. Colesanti, E. Pimentel, I. Mussi, J. Ribeiro, M. Domingues, J. Amancio,L. Amaral,P. Holvorcem, T. Napoleao on behalf of the Brazilian Transient Search - BraTS - at SONEAR Observatory, Oliveira, Brazil in three frames with 10 seconds exposure using an astrograph 280mm f/2.2 + CCD unfiltered, with magnitude 14.8 under limiting mag = 17.0. Nothing is visible at this location on the previous frame (limiting mag = 17.0) taken on 2020 Mar 16.2401 UT.

2020 03 22.90

Already reported as ASASSN-20du by the All-Sky Automated Survey for Supernovae: http://www.astronomy.ohio-state.edu/~assassin/transients.html --- Patrick Schmeer (Saarbrücken-Bischmisheim, Germany)

2016 08 15.9685

Prior to the outburst that started on 2020 March 20, another one had been recorded 2016 August 15–30 by the ASAS-SN Sky Patrol (Shappee et al. 2014ApJ...788...48S and Kochanek et al. 2017PASP..129j4502K): https://asas-sn.osu.edu/light_curves/4ef86f75-fa50-42ea-a3c9-488cc1f75c4b --- Patrick Schmeer (Saarbrücken-Bischmisheim, Germany)