RA/DEC (2000)
01:37:46.171 -01:15:17.78
24.4423790501 -1.25494008599
Type
SN Ien
Redshift
0.13865
Related AstroNotes: 2024-239, 2024-240
Reporting Group
ALeRCE
Discovering Data Source
ZTF
Discovery Date
2021-09-07 09:56:27.001
TNS AT
Y
Public
Y
Host Name
SDSS J013746.19-011518.6
Discovery Mag
20.8235
Filter
r-ZTF
Reporter/s
A. Munoz-Arancibia, F. Forster, F.E. Bauer, G. Pignata, L. Hernandez-Garcia, L. Galbany, E. Camacho, J. Silva-Farfan, A. Mourao, J. Arredondo, G. Cabrera-Vives, R. Carrasco-Davis, P.A. Estevez, P. Huijse, E. Reyes, I. Reyes, P. Sanchez-Saez, C. Valenzuela, E. Castillo, D. Ruz-Mieres, D. Rodriguez-Mancini, M. Catelan, S. Eyheramendy, M.J. Graham on behalf of the ALeRCE broker

Spectra

 SN_2021yfj - 2021-09-08 13:44:21 Keck1 / LRIS (ZTF)z=
Show H at z=vexp= km/s
Show He at z=vexp= km/s
Show He II at z=vexp= km/s
Show C II at z=vexp= km/s
Show C III at z=vexp= km/s
Show C IV at z=vexp= km/s
Show N II at z=vexp= km/s
Show N III at z=vexp= km/s
Show N IV at z=vexp= km/s
Show N V at z=vexp= km/s
Show O at z=vexp= km/s
Show [O I] at z=vexp= km/s
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Show [O II] at z=vexp= km/s
Show [O III] at z=vexp= km/s
Show O V at z=vexp= km/s
Show O VI at z=vexp= km/s
Show Na at z=vexp= km/s
Show Mg at z=vexp= km/s
Show Mg II at z=vexp= km/s
Show Si II at z=vexp= km/s
Show S II at z=vexp= km/s
Show Ca II at z=vexp= km/s
Show [Ca II] at z=vexp= km/s
Show Fe II at z=vexp= km/s
Show Fe III at z=vexp= km/s
Show Å at z=vexp= km/s
Show Å at z=vexp= km/s
Show Å at z=vexp= km/s
Show Å at z=vexp= km/s
Show Tellurics 
Show Galaxy lines at z=
Show WR-WN at z=vexp= km/s
Show WR-WC/O at z=vexp= km/s
   Binning factor: (rounded to nearest integer >1)
Mouse hovers at WL: 0 (rest),0 (observed)

Light curves

 P48_ZTF-Cam_r
 P48_ZTF-Cam_g
 ATLAS-MLO_ATLAS-01_orange
 ATLAS-HKO_ATLAS-02_cyan
 PS1_GPC1_w
   
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
17970 2021-09-08 13:44:21 Keck1 / LRIS 1230 Weikang Zheng, Thomas G. Brink, Yi Yang, Alexei V. Filippenko Thomas G. Brink, Yi Yang ZTF tns_2021yfj_2459466.07246_Keck1_LRIS_ZTF.ascii Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
r-ZTF P48_ZTF-Cam 2021-09-07 09:56:27 - 2021-09-07 09:56:27 2459464.9142014 - 2459464.9142014 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
240021 2021-09-07 09:56:27 2459464.9142014 20.8235 0.303786 20.4866 ABMag r-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF
g-ZTF P48_ZTF-Cam 2021-09-05 11:16:18 - 2021-09-07 10:34:42 2459462.9696528 - 2459464.9407639 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
240022 2021-09-07 10:34:42 2459464.9407639 19.8757 0.154609 20.6273 ABMag g-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF
240020 2021-09-05 11:16:18 2459462.9696528 20.565 ABMag g-ZTF P48_ZTF-Cam 30 Robot [Last non detection] Data provided by ZTF
orange-ATLAS ATLAS-MLO_ATLAS-01 2021-09-07 12:20:10 - 2021-09-07 12:20:10 2459465.014 - 2459465.014 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
241366 2021-09-07 12:20:10 2459465.014 19.75 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 30 Robot [Last non detection]
cyan-ATLAS ATLAS-HKO_ATLAS-02 2021-09-09 10:43:41 - 2021-09-09 10:43:41 2459466.947 - 2459466.947 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
241367 2021-09-09 10:43:41 2459466.947 19.714 0.191 19.71 ABMag cyan-ATLAS ATLAS-HKO_ATLAS-02 30 Robot
w-P1 PS1_GPC1 2021-10-03 09:15:50 - 2021-10-03 09:15:50 2459490.886 - 2459490.886 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
245529 2021-10-03 09:15:50 2459490.886 20.74 0.11 22 ABMag w-P1 PS1_GPC1 45 Robot
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
125224 2021-10-05 14:06:50 PS1_Bot1 K. C. Chambers,T. de Boer,J. Bulger et al. Pan-STARRS Pan-STARRS 01:37:46.171 -01:15:17.78 2021-10-03 09:15:50.400 20.74 w-P1 PSN PS21ktg Pan-STARRS N
123205 2021-09-12 11:45:58 ATLAS_Bot1 J. Tonry,L. Denneau,A. Heinze et al. ATLAS ATLAS 01:37:46.195 -01:15:18.14 2021-09-09 10:43:40.800 19.714 cyan-ATLAS PSN ATLAS21bipz ATLAS N
122721 2021-09-07 22:05:24 ALeRCE A. Munoz-Arancibia,F. Forster,F.E. Bauer et al. ALeRCE ZTF 01:37:46.157 -01:15:17.75 2021-09-07 09:56:27.001 20.8235 r-ZTF PSN SDSS J013746.19-011518.6 ZTF21abzbmhz ALeRCE SN candidate classified using ALeRCE's stamp classifier - see http://arxiv.org/abs/2008.03309 - and the public ZTF stream. Discovery image and light curve in http://alerce.online/object/ZTF21abzbmhz 2021TNSTR3075....1M N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
17883 2024-09-03 14:14:37 Ofer Yaron Avishay Gal-Yam (WIS), Steve Schulze (CIERA/NU), Yi Yang (Tsinghua), Alexei V. Filippenko (Berkeley), Ofer Yaron (WIS), Jesper Sollerman (OKC), Adam A. Miller (CIERA/NU), Thomas G. Brink (Berkeley), WeiKang Zheng (Berkeley), S. J. Brennan (OKC), Erez A. Zimmerman (WIS), Conor Omand (LJMU), Mattia Bulla (Ferrara), and Anjasha Gangopadhyay (OKC) ZTF SN Ien 0.13865 1 ZTF The spectrum shows a large number of emission lines (pure emission and P Cygni profiles) from S III, S IV, Si III, Si IV and Ar III. See AstroNote 2024-239, which introduces the new Ien SN type, and AstroNote 2024-240 that provides additional details for the line identifications. (The redshift was measured from X-shooter spectra absorption and emission lines of the SN host galaxy.) 2024TNSCR3277....1G
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
17970 2021-09-08 13:44:21 Keck1 / LRIS 1230 Weikang Zheng, Thomas G. Brink, Yi Yang, Alexei V. Filippenko Thomas G. Brink, Yi Yang ZTF tns_2021yfj_2459466.07246_Keck1_LRIS_ZTF.ascii Object

Comments

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 125224 of Group Pan-STARRS1
Previous RA, DEC: 01:37:46.157, -01:15:17.75 (24.44232225, -1.2549299)
Updated RA, DEC: 01:37:46.171, -01:15:17.78 (24.4423790501, -1.25494008599)