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谭瀚杰 XM62HT = AT 2021gnr = TCP J18165899+2538015 * 矮新星

Hanjie Tan (Institute of Astronomy, National Central University), Mi Zhang, Guoyou Sun, Jingyuan Zhao (Xingming Observatory), Quanzhi Ye , Xing Gao (Xingming Observatory), report ~5.5 mag outburst in a known variable star (16.37 r) which is 21.91 rmag in Pan-STARRS DR1 catalogue (PS1 objID 138762742458740999). 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. 19.86528, 2021 UT using a unfiltered CCD (0.3-m f/3.6 reflector). Images can be found at: http://xjltp.china-vo.org/xm62ht.html

XM62HT C2021 03 19.86528 18 16 58.99 +25 38 01.5 16.37 r N88
XM62HT C2021 03 19.88385 18 16 58.97 +25 38 01.6 16.50 r N88

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