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PSP项目 PSP23A = SN 2023iy * 超新星

Internal name PSP23A    
RA/DEC (2000) 07 58 03.76 +56 26 23.4
Discovery date (UT) 2023-01-12.88491
Discovery Mag 16.8CV
Host name WISEA J075804.09+562628.0
Host Redshift 0.040389
Type SN Ia
Redshift 0.035
Other name/s SN 2023iy
References Discovery image taken around 2023 Jan. 12.88491 UT at N89 PanSTARRS-1 Image
Reporter/s Qingchen Wang, Mi Zhang, Jianlin Xu, Wenjie Zhou, Jingyuan Zhao, Jiangao Ruan, Guoyou Sun, Xing Gao and the PSP team
Remarks SN candidate classified by XOSS. Details can be found at http://xjltp.china-vo.org/psp23a.html
Discovery report We report the discovery of a possible SN at 16.8CV on several 30-s survey images (limiting mag about 18.5CV) taken by Xing Gao at Xingming Observatory “#”2 (N89) around 2023 Jan. 12.88491 UT using a unfiltered CCD (+0.5m f/4 reflector). The transient approximately located at RA= 07h58m03.76s, DEC = +56d26m23.4s (equinox 2000.0).
Comments
PSP23A C2023 01 12.88491 07 58 03.76 +56 26 23.4 16.8CV N89
PSP23A C2023 01 13.60535 07 58 03.75 +56 26 23.6 16.8 g’ N88
PSP23A C2023 01 13.60900 07 58 03.77 +56 26 24.0 16.9 r’ N88
PSP23A C2023 01 13.61263 07 58 03.86 +56 26 23.8 17.0 i’ N88