星明天文台

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THE OUTBURST IN A VARIABLE STAR CANDIDATE – XM25HT

Hanjie Tan, Guoyou Sun, Mi Zhang, Xing Gao (Xingming Observatory), report ~3 mag outburst in a variable star candidate ( 16.89 r ) which is 20.05 rmag in Pan-STARRS DR1 catalogue. 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 Dec. 29.90427 UT using a unfiltered CCD ( 0.3-m f/3.6 reflector ). Images can be found at: http://xjltp.china-vo.org/xm25ht.html

XM25HT C2020 12 29.90427 12 08 47.44 +32 32 07.9 16.89 r N88

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