Central Bureau for Astronomical Telegrams

CBAT "Transient Object Followup Reports"

TCP J20311422+2604500

TCP J20311422+2604500   2022 01 05.3669*  20 31 14.22 +26 04 50.0  11.8 U             Vul       2 0

2022 01 05.367

Discovered by Seiji Ueda, Kushiro, Hokkaido, Japan, who found this star on three frames (limit mag.= 12.9) taken by Canon EOS 6D digital camera + 200-mm f/3.2 lens, who has confirmed this star on 2022 Jan. 5.373 using 16-cm f/6.3 reflector + Nikon D5000 Digital camera. Also Ueda writes nothing is visible at this location on three images (limiting mag.= 13.2) taken on 2022 Jan. 4.37 UT with same instrument. He informs that this star is a red star (Bmag. = 16.99) on USNO-B1.0 (NO1160-0482833(RAJ2000：20 31 14.58672 DEJ2000：+26 04 49.3932).

2022 01 05.7308

mag 15.1U RA= 20 31 14.24s, Decl. = +26 04 49.5 TEL 0.2-m f/2 reflector + CCD Atik420. Exp = 9x30s. Observer F. Kugel, Banon 04, France.

2022 01 06.52

Probably a flare of either Gaia EDR3 1832595307506284032 (Gmag. 13.92) or 1832595307494919168 (Gmag. 15.47). Both are red dwarfs at a distance of 37.7 pc from the Sun. Patrick Schmeer (Saarbrücken-Bischmisheim, Germany)