Central Bureau for Astronomical Telegrams

CBAT "Transient Object Followup Reports"

TCP J06383667-0333248

TCP J06383667-0333248   2020 04 21.4532*  06 38 36.67 -03 33 24.8  12.8 U             Mon       9 0

2020 04 21.453

Discovered by Tadashi Kojima, Tsumagoi,Gunma-ken, Japan, on three frames under limiting mag.= 14.5 taken by Canon EOS 6D + 300mm f/3.2 lens.

2020 04 21.56

Flare of the red dwarf USNO-A2.0 0825-02843919 = Gaia DR2 3104860587319861504? Gaia DR2 position end figures for this source are 36.56s in RA and 25.2" in DE (equinox J2000.0, epoch J2015.5; Gmag. 14.97, parallax 11.3526 ± 0.0542 mas, distance 87.9 ± 0.4 pc). Patrick Schmeer (Saarbrücken-Bischmisheim, Germany)

2020 04 18.1244

According to ASAS-SN Sky Patrol (Shappee et al. 2014ApJ...788...48S and Kochanek et al. 2017PASP..129j4502K) data the transient was fainter than gmag. 17.1 on 2020 April 18.124 UT: https://asas-sn.osu.edu/light_curves/74479a9a-03d3-4185-a45a-483335876711 —— Patrick Schmeer (Saarbrücken-Bischmisheim, Germany)

2020 04 22.1032

Fainter than gmag. 16.6 on 2020 April 22.103 UT; complete ASAS-SN Sky Patrol light curve at https://asas-sn.osu.edu/light_curves/ced08381-35fb-4d3d-9b8a-6cca82b66d43 —— Patrick Schmeer (Saarbrücken-Bischmisheim, Germany)

2020 04 23.4235

Mag=15.3, position end figures 36.54s, 25.6"observed by T. Noguchi, Chiba-ken, Japan,using 0.23-m f/10 Schmidt Cassegrain + unfiltered CCD(KAF-0261E).With 4x30-s exposure under the limit mag.= 18.0. Magnitude was measured using UCAC4.