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THE DISCOVERY OF AN UG CANDIDATE – XM109HT

Hanjie Tan (AUUK), Jiangao Ruan, Mi Zhang, Guoyou Sun, Jingyuan Zhao (Xingming Obs), Quanzhi Ye , Xing Gao (Xingming Obs), report the discovery of an UG candidate (17.1 CV) on several 60-s survey images (limit mag about 18.0 CV) taken by Xing Gao at Xingming Observatory “#”3 (N88) around 2022 Feb. 26.58921 UTC using unfiltered CCD and PAT telescope (0.3-m f/3.6 reflector). The source is approximately located at RA= 04h09m26.87s,DEC = +14d11m59.1s (equinox 2000.0), appears to correspond to object Gaia EDR3 3311576156385861760 (G=19.19) in the Gaia EDR3. Nothing is visible at this position on archival images taken on Jan. 28.70998, 2022 UT (limiting mag 19.0 CV). Details can be found at: http://xjltp.china-vo.org/xm109ht.html

XM109HT C2022 02 26.58921 04 09 26.87 +14 11 59.1 17.11+-0.08CV N88
XM109HT C2022 02 26.59991 04 09 26.89 +14 11 59.4 17.05+-0.06CV N88

Gaia EDR3 3311576156385861760(04 09 26.86 +14 11 59.8)