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THE DISCOVERY OF A VARIABLE STAR CANDIDATE – PSP21Q

Jianlin Xu, Jingyuan Zhao, Mi Zhang, Xing Gao (Xingming Observatory), report the discovery of a variable star candidate (16.83 G). The source appears to correspond to object Gaia DR2 389640811780320896 (G=16.53) in the Gaia DR2. Discovery was made on one 30-s survey image (limiting mag about 19.0) taken by Xing Gao around 2021 Sep. 29.82322 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/psp21q.html

NET Gaia DR2
PSP21Q C2021 07 21.81586 00 45 23.41 +45 37 10.1 16.67G N89
PSP21Q C2021 07 24.87616 00 45 23.41 +45 37 10.1 16.75G N89
PSP21Q C2021 07 25.82125 00 45 23.40 +45 37 09.9 16.73G N89
PSP21Q C2021 08 19.81251 00 45 23.42 +45 37 10.1 16.75G N89
PSP21Q C2021 08 27.91278 00 45 23.43 +45 37 09.8 16.81G N89
PSP21Q C2021 09 04.89249 00 45 23.42 +45 37 09.8 16.68G N89
PSP21Q C2021 09 05.74266 00 45 23.41 +45 37 10.1 16.69G N89
PSP21Q C2021 09 14.85398 00 45 23.41 +45 37 09.9 16.64G N89
PSP21Q C2021 09 15.85845 00 45 23.41 +45 37 09.9 16.76G N89
PSP21Q C2021 09 20.83159 00 45 23.43 +45 37 10.0 16.86G N89
PSP21Q C2021 09 25.82275 00 45 23.41 +45 37 09.9 16.73G N89
PSP21Q C2021 09 26.87029 00 45 23.43 +45 37 10.1 16.76G N89
PSP21Q C2021 09 27.83464 00 45 23.42 +45 37 10.2 16.74G N89
PSP21Q C2021 09 28.81883 00 45 23.41 +45 37 10.0 16.72G N89
PSP21Q C2021 09 29.82322 00 45 23.42 +45 37 10.2 16.83G N89

Discovery image taken by N89 on Sep. 29.82322 UTC,2021 PS Image

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