RA/DEC (2000)
12:29:49.590 +22:22:18.20
187.456625 +22.371722
Type
SN II
Redshift
0.026
Reporting Group
XOSS
Discovering Data Source
XOSS
Discovery Date
2023-02-13 22:07:11.424
TNS AT
Y
Public
Y
Host Name
KUG 1227+226
Host Redshift
0.02254
Discovery Mag
16
Filter
Clear-
Reporter/s
Hanjie Tan (AUUK), Guoyou Sun, Mi Zhang, Jingyuan Zhao, Jiangao Ruan (Xingming Obs.), Quanzhi Ye (UMD), Xing Gao (Xingming Obs.)

Spectra

 SN_2023bsg - 2023-02-19 16:39:53 Lijiang-2.4m / YFOSC (LiONS)z=
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Show [Ca II] at z=vexp= km/s
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   Binning factor: (rounded to nearest integer >1)
Mouse hovers at WL: 0 (rest),0 (observed)

Light curves

 Other_Other_Clear
   
Pointer position (MJD, Mag, Abs.Mag): (0.00, 0.00, 0.00)
Spectra
ID Obs-date (UT) Tel / Inst Exp-Time Observer/s Reducer/s Group Spectrum ascii file Spectrum fits file Spec. Type Assoc. Groups End prop. period Remarks
14531 2023-02-19 16:39:53 Lijiang-2.4m / YFOSC 1000 Jujia Zhang LiONS tns_2023bsg_2023-02-19_16-39-53.195_Lijiang-2.4m_YFOSC_LiONS.dat Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
Clear- Other_Other 2023-02-13 22:07:11 - 2023-02-13 22:07:11 2459989.42166 - 2459989.42166 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
329460 2023-02-13 22:07:11 2459989.42166 16 18 VegaMag Clear- Other_Other 60 Xing Gao
AT Reports
ID Time received (UT) Sender Reporter/s Reporting group Disc. Data Source RA DEC Discovery date (UT) Discovery Mag. Filter Related files AT Type Host name Internal name Assoc. Groups End prop. period Remarks ADS Bibcode Unreal Auto classification
170906 2023-02-14 23:53:30 Hanjie Tan Hanjie Tan (AUUK), Guoyou Sun, Mi Zhang et al. XOSS XOSS 12:29:49.590 +22:22:18.20 2023-02-13 22:07:11.424 16 Clear- PSN KUG 1227+226 XM121HT XOSS SN or AGN candidate classified by XOSS. Details can be found at http://xjltp.china-vo.org/xm121ht.html 2023TNSTR.359....1T N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
14457 2023-02-20 04:37:26 Liping Li Liping Li (Yunnan University); Qian Zhai, Jujia Zhang (YNAO); Xiaofeng Wang(THU) LiONS SN II 0.026 1 LiONS The spectrum obtained by LJT is similar to that of a type II supernova. There are some clouds when we obtianed this spectrum, thus the signal to noise ratio was not good. 2023TNSCR.401....1L
Spectra
ID Obs-date (UT) Tel / Inst Exp-Time Observer/s Reducer/s Group Spectrum ascii file Spectrum fits file Spec. Type Assoc. Groups End prop. period Remarks
14531 2023-02-19 16:39:53 Lijiang-2.4m / YFOSC 1000 Jujia Zhang LiONS tns_2023bsg_2023-02-19_16-39-53.195_Lijiang-2.4m_YFOSC_LiONS.dat Object

Comments

Hanjie
Tan

Our further observation

Our further observation indicates that it is a source independent of the galaxy nucleus. Our report suggests a possible supernova.