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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 (UMd), 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)