Central Bureau for Astronomical Telegrams

CBAT "Transient Object Followup Reports"

TCP J13123453-3306078

TCP J13123453-3306078   2020 02 19.1914*  13 12 34.53 -33 06 07.8  16.0 U             Cen       9 0

2020 02 19.1914

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 with magnitude 16.0 under limiting mag = 17.0. Nothing is visible at this location on the previous frame (limiting mag = 17.2) taken on 2020 Feb 16.1023 UT.

2020 02 18.2375

The infrared source AllWISE J131234.62-330605.6 (W1mag. 17.5, W2mag. 16.3) is 2.5" NNE of the reported position of the transient. The transient is confirmed by recent ASAS-SN Sky Patrol (Shappee et al. 2014ApJ...788...48S and Kochanek et al. 2017PASP..129j4502K) observations: 2020 February 18.237 UT, gmag. 17.0; 18.392, 15.9; 19.219, 15.3. No previous brightenings were recorded since 2012 Feb. 14 / 2014 Apr. 29; complete data and light curve at https://asas-sn.osu.edu/light_curves/661ff0a2-6888-46ef-a63f-ac33d7aac55f --- Patrick Schmeer (Saarbrücken-Bischmisheim, Germany)

2020 02 20.5357

53-3306078 Photometry:B=16.03m V=16.05 and Ic=16.76 with 0.50-m f/4.5 CDK astrograph + FLI PL6303E CCD at iTelescope.Net - Siding Spring Observatory, NSW, Australia. Position end figures 34.46 and 06.48 in R.A. and Dec. http://meineko.sakura.ne.jp/ccd/TCP_J13123453-3306078.jpg Seiichiro Kiyota (Kamagaya, Japan)