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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, 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