星明天文台

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THE OUTBURST IN A VARIABLE STAR CANDIDATE – XM74HT

Hanjie Tan (Institute of Astronomy, National Central University), Mi Zhang, Guoyou Sun, Jingyuan Zhao (Xingming Observatory), Quanzhi Ye (Department of Astronomy, University of Maryland), Xing Gao (Xingming Observatory), report a variable star candidate (G=16.79+-0.06). The source appears to correspond to object Gaia DR2 2169508313311474816 (G=16.36) in the Gaia DR2. Discovery was made on several 120-s survey images (limiting mag about 18.0) taken by Xing Gao at Xingming Observatory #3 (N88) around Oct. 05.80101, 2021 UT using a unfiltered CCD (0.3-m f/3.6 reflector). Images can be found at: http://xjltp.china-vo.org/xm74ht.html

XM74HT C2021 10 05.80101 21 08 08.70 +51 46 52.0 16.79 G N88

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