Central Bureau for Astronomical Telegrams

CBAT "Transient Object Followup Reports"

PNV J00434013+4127123

PNV J00434013+4127123   2021 03 08.3972*  00 43 40.13 +41 27 12.3  16.1 U  627E 664N  M31       I 0

2021 03 08.397

http://k-itagaki.jp/images/Ｍ31-47.jpg

2021 03 08.5943

Jiangao Ruan, Mi Zhang, Xing Gao (Xingming Observatory), report the independent discovery of a possible nova (mag approximately 16.5) on several 120-s survey images (limiting mag about 18.5) taken by Xing Gao at Xingming Observatory #2 (N89) around Mar. 08.59433, 2021 UTC using a unfiltered CCD ( 0.5-m f/4 reflector ). The transient was independently discovered and first announced by Koichi Itagaki and designated as PNV J00434013+4127123. The transient approximately located at R.A.=00h43m40.18s +41d27’12”.6 (equinox 2000.0). Which is about 629.8″ east and 664.1″ north of the center of the NGC224(M31). Nothing is visible at this position on archival images taken on Mar. 04.60139, 2021 (limiting mag 18.5). Images can be found at: http://xjltp.china-vo.org/xn03jr.html

2021 03 8.8861

PNV J00434013+4127123 = AT 2021fbz is visible in one of 6 prediscovery images taken by David J. Lane (Canada) at Mini-Robotic Observatory (http://www.ap.smu.ca/pr/bgo-useme/mini-robotic-observatory) with luminance filter since 2021-03-06 23:40:03 UTC (image: http://aro.abbeyridgeobservatory.ca:6060/sm/id.php?app=0&id=678). Nothing visible in the image (http://aro.abbeyridgeobservatory.ca:6060/sm/id.php?app=0&id=677) taken by the same observer at 00:27:26 UTC. (Filipp Romanov (Russia))

2021 03 10.404

Mag.= 17.0, position end figures 40s.18, 12".8 observed by T. Noguchi, Katori, Japan, using 0.23-m f/10 Schmidt Cassegrain + unfiltered CCD (KAF-0261E), An image at http://park8.wakwak.com/~ngc/images/PNVinM31_20210310.jpg.