星明天文台

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THE DISCOVERY OF A VARIABLE STAR CANDIDATE – PSP21W

Yiyao He, Yi Ding, Wenjie Zhou, Mi Zhang, Xing Gao (Xingming Obs), report the discovery of a variable star candidate (17.88 G). The source  appears to correspond to object Gaia DR2 2108391615885112064 (18.54 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 15.61826 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/psp21w.html

NET Gaia DR2
PSP21W C2021 10 15.61826 18 31 08.59 +38 04 34.5 17.88G N89

Discovery image taken around 2021 Oct. 15.61826 UT at N89 PS Image

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