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谭瀚杰 XM121HT = SN 2023bsg * SN II

Internal name XM121HT
RA/DEC (2000) 12 29 49.59 +22 22 18.2
Discovery date (UT) 2023-02-13.92166
Discovery Mag 16.0CV
Host name KUG 1227+226
Host Redshift 0.02254
Type SN II
Redshift 0.026
Other name/s SN 2023bsg
References Discovery image taken around 2023 Feb. 13.92166 UT at N88 PanSTARRS-1 Image
Reporter/s Hanjie Tan (AUUK), Guoyou Sun, Mi Zhang, Jingyuan Zhao, Jiangao Ruan, Quanzhi Ye, Xing Gao (Xingming Obs.)
Remarks SN or AGN candidate classified by XOSS. Details can be found at http://xjltp.china-vo.org/xm121ht.html
Discovery report We report the discovery of a possible SN or AGN at 16.0CV on several 60-s survey images (limit mag about 18.5 CV) taken by Xing Gao at Xingming Observatory “#”3 (N88) around 2023 Feb. 13.92166 UT using unfiltered CCD and PAT telescope (0.3-m f/3.6 reflector). The transient approximately located at RA= 12h29m49.59s, DEC = +22d22m18.2s (equinox 2000.0).
Comments
XM121HT C2023 02 13.92166 12 29 49.59 +22 22 18.2 16.0CV N88
XM121HT C2023 02 17.97132 12 29 49.48 +22 22 18.8 15.97g’ N88
XM121HT C2023 02 17.97498 12 29 49.48 +22 22 18.8 15.48r’ N88
XM121HT C2023 02 17.97859 12 29 49.48 +22 22 18.6 15.22i’ N88
XM121HT C2023 02 19.71704 12 29 49.53 +22 22 18.2 16.35g’ N88
XM121HT C2023 02 19.72072 12 29 49.53 +22 22 18.3 15.94r’ N88
XM121HT C2023 02 19.72436 12 29 49.53 +22 22 18.2 15.72i’ N88