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THE DISCOVERY OF A VARIABLE STAR CANDIDATE – PSP21T

Jianlin Xu, Jiangao Ruan, Jingyuan Zhao, Mi Zhang, Xing Gao (Xingming Obs), report the discovery of a variable star candidate (16.46 G). The source appears to correspond to object Gaia DR2 1959725033786947200 (17.60 G) in the Gaia DR2. Discovery was made on one 30-s survey image (limiting mag about 19.0) taken by Xing Gao around 2021 Oct 14.65872 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/psp21t.html

NET Gaia DR2
PSP21T C2021 10 13.66929 21 59 48.64 +41 08 53.2 17.72G N89
PSP21T C2021 10 14.65872 21 59 48.61 +41 08 53.2 16.46G N89

Discovery image taken around 2021 Oct. 14.65872 UT at N89 Archival image taken around 2021 Oct. 13.66929 UT at N89 PS Image

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