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THE DISCOVERY OF A VARIABLE STAR CANDIDATE – PSP21R

Jingyuan Zhao, Mi Zhang, Xing Gao (Xingming Observatory), report the discovery of a variable star candidate (18.16 G). The source appears to correspond to object Gaia DR2 312556933478660096 (G=17.81) 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. 29.82770 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/psp21r.html

NET Gaia DR2
PSP21R C2021 07 21.82035 00 56 47.25 +31 02 34.2 17.91G N89
PSP21R C2021 07 24.88068 00 56 47.18 +31 02 32.8 17.93G N89
PSP21R C2021 07 25.82576 00 56 47.23 +31 02 34.4 17.97G N89
PSP21R C2021 08 19.81703 00 56 47.19 +31 02 33.0 17.92G N89
PSP21R C2021 08 27.91726 00 56 47.25 +31 02 35.0 17.82G N89
PSP21R C2021 09 05.74718 00 56 47.28 +31 02 34.5 17.79G N89
PSP21R C2021 09 14.85846 00 56 47.30 +31 02 34.4 17.57G N89
PSP21R C2021 09 25.82726 00 56 47.31 +31 02 34.3 17.65G N89
PSP21R C2021 09 26.87477 00 56 47.28 +31 02 33.7 17.93G N89
PSP21R C2021 09 27.83914 00 56 47.19 +31 02 32.7 17.79G N89
PSP21R C2021 09 28.82330 00 56 47.31 +31 02 33.5 17.98G N89
PSP21R C2021 09 29.82770 00 56 47.26 +31 02 33.4 18.16G N89

Discovery image taken by N89 on Sep. 29.82770 UTC,2021 PS Image

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