RA/DEC (2000)
12:23:31.286 +74:57:01.37
185.8803597 +74.9503797
Type
SN II
Redshift
0.00476
Reporting Group
None
Discovering Data Source
None
Discovery Date
2023-10-31 19:04:49.000
TNS AT
Y
Public
Y
Host Name
NGC4346
Discovery Mag
16
Filter
Clear-
Reporter/s
Koichi Itagaki

Spectra

 SN_2023wcr - 2023-10-31 22:10:00 BL41 / FOSC-E5535 (None)z=
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   Binning factor: (rounded to nearest integer >1)
Mouse hovers at WL: 0 (rest),0 (observed)

Light curves

 P48_ZTF-Cam_r
 ATLAS-HKO_ATLAS-02_orange
 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
15986 2023-10-31 22:10:00 BL41 / FOSC-E5535 5400 Claudio Balcon Claudio Balcon None tns_2023wcr_2023-10-31_22-10-00_Other_Other.dat tns_2023wcr_2023-10-31_22-10-00_Other_Other.fit Object We obtained the low-resolution spectrum using the FOSC-ES32 spectrograph attached to a 0.41m telescope, in the course of Italian Supernovae Search Project.
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
r-ZTF P48_ZTF-Cam 2018-05-31 12:00:00 - 2023-11-01 11:46:39 2458270 - 2460249.99073 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
371223 2023-11-01 11:46:39 2460249.99073 16.1383 18.7506 ABMag r-ZTF P48_ZTF-Cam 30 None
371222 2018-05-31 12:00:00 2458270 20.5 ABMag r-ZTF P48_ZTF-Cam 30 None [Last non detection]
orange-ATLAS ATLAS-HKO_ATLAS-02 2023-07-29 06:33:16 - 2023-11-26 15:01:45 2460154.7731 - 2460275.12622 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
376356 2023-11-26 15:01:45 2460275.12622 16.19 0.043 17.74 ABMag orange-ATLAS ATLAS-HKO_ATLAS-02 30 Robot
376355 2023-07-29 06:33:16 2460154.7731 18.64 ABMag orange-ATLAS ATLAS-HKO_ATLAS-02 30 Robot [Last non detection]
Clear- Other_Other 2023-10-31 19:04:49 - 2023-10-31 19:04:49 2460249.2950116 - 2460249.2950116 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
371196 2023-10-31 19:04:49 2460249.2950116 16 VegaMag Clear- Other_Other 0.6-m F/5.7 + CCD (KAF-1001E) unfiltered.
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
194638 2023-11-26 23:05:01 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland et al. ATLAS ATLAS 12:23:31.302 +74:57:01.42 2023-11-26 15:01:45.408 16.19 orange-ATLAS PSN ATLAS23wjk ATLAS N
192155 2023-11-01 13:00:30 ZTF_CLU_PUBLIC K. De (Caltech) on behalf of ZTF ZTF ZTF 12:23:31.286 +74:57:01.37 2023-11-01 11:46:39.072 16.1383 r-ZTF PSN ZTF23abnogui ZTF N
192140 2023-10-31 20:31:48 Koichi Itagaki Koichi Itagaki 12:23:31.150 +74:57:01.40 2023-10-31 19:04:49.000 16 Clear- PSN NGC4346 2023TNSTR2781....1I N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
15900 2023-10-31 23:08:26 Claudio Balcon Claudio Balcon (Belluno A.O. ISSP) None SN II 0.00476 1 GELATO (Harutyunyan et al., 2008, A&A, 488, 383) suggests that this low S/N spectrum resembles that of a type II supernova few days after the explosion at the redshift of the host galaxy (value from NED). 2023TNSCR2786....1B
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
15986 2023-10-31 22:10:00 BL41 / FOSC-E5535 5400 Claudio Balcon Claudio Balcon None tns_2023wcr_2023-10-31_22-10-00_Other_Other.dat tns_2023wcr_2023-10-31_22-10-00_Other_Other.fit Object We obtained the low-resolution spectrum using the FOSC-ES32 spectrograph attached to a 0.41m telescope, in the course of Italian Supernovae Search Project.

Comments

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 192155 of Group ZTF
Previous RA, DEC: 12:23:31.150, +74:57:01.40 (185.879792, +74.950389)
Updated RA, DEC: 12:23:31.286, +74:57:01.37 (185.8803597, 74.9503797)

Toshihide
Noguchi

Correction of Host Name

NGC4346 is incorrect and the correct Host Name is NGC4363.