[vsnet-alert 25700] TCP J08144930-2215000

[Kojiguchi Naoto]

TCP J08144930-2215000

     Large amplitude outburst of 7 mag. No outburst in the past ASASSN and PS1 data.

TCP J08144930-2215000   2021 04 09.4959*  08 14 49.30 -22 15 00.0  14.5 C             Pup       0 9

2021 04 09.4959

Discovered by Yuji Nakamura, Kameyama, Mie, Japan, on two frames (30-s exp. limiting mag 15.5) taken by 0.10-m F3.0 reflactor + CMOS camera. Nothing is visible at this location on the frames taken on 2021 Mar. 25.5148 UT (30-s exp. limiting mag 15.5) by same instrument. The object is located very close to a object listed on Pan-STARRS DR1 catalogue (R.A. = 08h 14m 49s.21, Decl. = -22d 15' 00".7 (J2000.0), gmag = 21.56, rmag = 21.47). The transient was also detected by the ASAS-SN Sky Patrol (Shappee et al. 2014ApJ...788...48S and Kochanek et al. 2017PASP..129j4502K): 2021 Apr. 7.229 UT, fainter than gmag. 16.2; April 8.878 UT, gmag. 14.3.

ASASSN Sky Patrol:
https://asas-sn.osu.edu/sky-patrol/coordinate/acfc1e36-7a76-4333-a811-f0f3a0fcbad7

IDs:
081449.209 -221500.718 PSO_J081449.2 -221500.7 g=21.5627(0.0878) r=21.4699(0.0467) i=21.2706(0.0237) z=21.1807(0.1799)

20210407.2292 <16.2g ASN
20210408.8776 14.3g ASN
20210409.4959 14.5C (Yuji Nakamura)