Central Bureau for Astronomical Telegrams
CBAT "Transient Object Followup Reports"
TCP J15305274-0405572
TCP J15305274-0405572 2020 02 26.7813* 15 30 52.74 -04 05 57.2 12.5 U Lib 9 0
2020 02 26.781
Discovered by Hideo Nishimura, Kakegawa, Shizuoka-ken, Japan, who found this star on two frames (limit mag.= 14.5) taken with Canon EOS 6D digital camera + 200-mm f/3.2 lens, who writes nothing is visible at the discovery position on three frames taken on 2020 February 23.785 UT by same instrument under the limiting mag.= 14.7. Nishimura writes a faint blue star (mag.= 20) at this location on Pan-STARS image.
2020 02 25.2498
The faint blue Pan-STARRS1 source is PSO J153052.655-040559.375, with position end figures 52.65s and 59.3" (gmag. 21.1, rmag. 21.0, imag. 21.1). Other designations are MLS_J153052.7-040558, USNO-B1.0 0859-0267534, GSC2.3 S84X005043 (Bjmag. 21.0), and GALEX J153052.8-040557 (fuv_mag. 21.5). 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 24.011 UT, gmag. fainter than 17.0; 25.250, gmag. 13.46; 26.257, 13.34. No previous brightenings were recorded since 2012 March 17; complete light curve and data at https://asas-sn.osu.edu/light_curves/0d882ad4-18fb-4f3d-a06a-3e389e132825 --- Patrick Schmeer (Saarbrücken-Bischmisheim, Germany)
2020 02 27.2188
Photometry results were 13.649V (0.008) with 0.43m iTelescope.net reflector Nerpio, Spain. Position end figures were 52.67 and 59.4 in R.A. and Dec. -- Róbert Fidrich (Budapest, Hungary)
2020 02 27.2188
Photometry results were 13.649V (0.008) with 0.43m iTelescope.net reflector Nerpio, Spain. Position end figures were 52.67 and 59.4 in R.A. and Dec. -- Róbert Fidrich (Budapest, Hungary)
2020 02 27.175
Mag. B= 13.79, V= 13.62, I= 13.46, position end figures 52s.65, 59".5 observed by K. Yoshimoto, Yamaguchi-ken, Japan, using 0.43-m f/6.8 Nerpio reflector + CCD, remotely. An image at http://orange.zero.jp/k-yoshimoto/TCP_J15305274-0405572_20200227.jpg.
2020 02 27.657
Mag.= 14.2, pisition end figures 52s.63, 58".9 observed by T. Noguchi, Chiba-ken, Japan, using 0.23-m f/10 Schmidt Cassegrain + unfiltered CCD (KAF-0261E). An image at http://park8.wakwak.com/~ngc/images/TCPinLib_20200227.jpg.
