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谭瀚杰 XM77HT = AT 2021abbf ? 活动星系核

Hanjie Tan (Astronomical Institute of Charles University), Mi Zhang, Guoyou Sun, Jingyuan Zhao (Xingming Observatory), Quanzhi Ye , Xing Gao (Xingming Observatory), report an AGN candidate (G=18.06+-0.06). The source appears to correspond to object Gaia DR2 1908041974326475648 (G=19.28) in the Gaia DR2. Discovery was made on several 120-s survey images (limiting mag about 19.5) taken by Xing Gao at Xingming Observatory #3 (N88) around Oct. 10.69983, 2021 UT using a unfiltered CCD (0.3-m f/3.6 reflector). Images can be found at: http://xjltp.china-vo.org/xm77ht.html

XM77HT C2021 10 10.69983 22 40 09.37 +38 48 30.9 18.06+-0.06G N88
XM77HT C2021 10 10.71682 22 40 09.42 +38 48 31.1 18.04+-0.06G N88

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