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THE OUTBURST IN A VARIABLE STAR CANDIDATE – XM64HT

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 >6 mag outburst in a variable star candidate (15.71 r). Nothing is visible at this position on Pan-STARRS images. The transient was discovered on several 120-s survey images (limiting mag about 18.0) taken by Xing Gao at Xingming Observatory #3 (N88) around Mar. 25.86248, 2021 UT using a unfiltered CCD (0.3-m f/3.6 reflector). Images can be found at: http://xjltp.china-vo.org/xm64ht.html

XM64HT C2021 03 25.86248 17 46 23.69 +12 09 39.0 15.71 r N88

*UG: in VSX ASASSN-21eg

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