星明天文台

国内外享有盛誉的业余天文台,在这里汇聚了众多的顶尖爱好者。我们致力于彗星,小行星,超新星,新星等各类新天体的发现。

THE DISCOVERY OF A VARIABLE STAR CANDIDATE – PSP21ag

Zesheng Yang, Zhangrui Xu, Runyu Liu, Wenjie Zhou, Mi Zhang, Jiangao Ruan, Jingyuan Zhao, Jianlin Xu, Yanxi Li, Yi Ding, Guoyou Sun, Xing Gao (Xingming Observatory), report the discovery of a variable star candidate (15.39 G). The source appears to correspond to object Gaia EDR3 314129067602154240 (15.97 G) in the Gaia EDR3. Discovery was made on one 30-s survey image (limiting mag about 19.0) taken by Xing Gao around 2021 Nov 13.63506 UT at Xingming Observatory #2 (N89) using a unfiltered CCD (0.5-m f/4 reflector). Images can be found at: http://xjltp.china-vo.org/psp21ag.html

NET Gaia DR2
PSP21ag C2021 09 14.87693 01 02 27.28 +31 34 27.9 16.93G N89
PSP21ag C2021 11 10.72590 01 02 27.27 +31 34 27.8 16.90G N89
PSP21ag C2021 11 11.71480 01 02 27.25 +31 34 27.8 17.10G N89
PSP21ag C2021 11 12.74608 01 02 27.26 +31 34 27.7 16.92G N89
PSP21ag C2021 11 13.63506 01 02 27.30 +31 34 28.1 15.39G N89
PSP21ag C2021 11 14.62190 01 02 27.29 +31 34 28.5 16.15G N88

Discovery image taken by N89 around 2021 Nov. 13.63506 UT Archival image taken by N89 around 2021 Nov. 12.74608 UT PS image

发表回复