RA/DEC (2000)
07:59:13.822 +27:05:43.45
119.8075907 +27.095403
Type
SN Ia
Redshift
0.097
Reporting Group
ZTF
Discovering Data Source
ZTF
Discovery Date
2026-03-03 05:05:00.003
TNS AT
Y
Public
Y
Discovery Mag
19.8672
Filter
r-ZTF
Reporter/s
Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU), Theophile du Laz (Caltech) on behalf of ZTF

Spectra

 SN_2026ewt - 2026-03-22 06:21:18 Lick-3m / KAST (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
Show O II at z=vexp= km/s
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

 ATLAS-TDO_ATLAS-05_wide
 WFST_WFST-WFC_r
 GOTO-N_GOTO-2_L
 P48_ZTF-Cam_i
 P48_ZTF-Cam_r
 ATLAS-MLO_ATLAS-01_orange
   
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
23347 2026-03-22 06:21:18 Lick-3m / KAST Michael Rich, Ethan Cotta, Zoë McGrath Aleksandra Bochenek ZTF tns_2026ewt_2026-03-22_06-21-18_Lick-3m_KAST_ZTF.txt Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
wide-ATLAS ATLAS-TDO_ATLAS-05 2026-03-07 23:56:17 - 2026-03-07 23:56:17 2461107.49742 - 2461107.49742 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
563718 2026-03-07 23:56:17 2461107.49742 19.47 ABMag wide-ATLAS ATLAS-TDO_ATLAS-05 30 Robot [Last non detection]
r-WFST WFST_WFST-WFC 2026-03-05 13:20:38 - 2026-03-05 13:20:38 2461105.056 - 2461105.056 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
568360 2026-03-05 13:20:38 2461105.056 19.57 0.03 ABMag r-WFST WFST_WFST-WFC 30
L-GOTO GOTO-N_GOTO-2 2026-02-23 22:24:52 - 2026-03-06 21:15:07 2461095.433926 - 2461106.385496 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
563049 2026-03-06 21:15:07 2461106.385496 18.94 0.09 ABMag L-GOTO GOTO-N_GOTO-2 180
563048 2026-02-23 22:24:52 2461095.433926 19.8 ABMag L-GOTO GOTO-N_GOTO-2 180 [Last non detection]
i-ZTF P48_ZTF-Cam 2026-03-03 03:52:48 - 2026-03-06 06:16:14 2461102.6616667 - 2461105.7612731 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
562848 2026-03-06 06:16:14 2461105.7612731 19.3914 0.203007 ABMag i-ZTF P48_ZTF-Cam
562846 2026-03-03 03:52:48 2461102.6616667 19.3948 ABMag i-ZTF P48_ZTF-Cam [Last non detection]
r-ZTF P48_ZTF-Cam 2026-03-03 05:05:00 - 2026-03-03 05:05:00 2461102.7118056 - 2461102.7118056 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
562847 2026-03-03 05:05:00 2461102.7118056 19.8672 0.194401 ABMag r-ZTF P48_ZTF-Cam
orange-ATLAS ATLAS-MLO_ATLAS-01 2026-03-09 08:13:45 - 2026-03-09 08:13:45 2461108.84288 - 2461108.84288 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
563719 2026-03-09 08:13:45 2461108.84288 19.073 0.161 19.52 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 30 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
296472 2026-03-20 10:34:52 WFST_SN Zelin Xu, Dezheng Meng, Ji-an Jiang et al. WFST WFST 07:59:13.830 +27:05:43.69 2026-03-05 13:20:38.400 19.57 r-WFST PSN WFST260305mows WFST N
294040 2026-03-09 22:25:52 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland (IfA, University of Hawaii) et al. ATLAS ATLAS 07:59:13.827 +27:05:43.77 2026-03-09 08:13:44.832 19.073 orange-ATLAS PSN ATLAS26ctf ATLAS N
293731 2026-03-06 22:17:58 GOTO_bot D. O'Neill, K. Ackley, M. Dyer et al. GOTO GOTO 07:59:13.832 +27:05:44.12 2026-03-06 21:15:07.200 18.94 L-GOTO Other GOTO26bqb GOTO N
293648 2026-03-06 07:21:05 Fritz Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU) et al. ZTF ZTF 07:59:13.822 +27:05:43.45 2026-03-03 05:05:00.003 19.8672 r-ZTF PSN ZTF26aajmgbi ZTF 2026TNSTR.940....1S N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
23345 2026-03-25 12:58:34 Aleksandra Bochenek Aleksandra Bochenek (LJMU), Ethan Cotta (UCLA), Zoë McGrath (LJMU), Michael Rich (UCLA), Jacob Wise (LJMU), Daniel Perley (LJMU) ZTF SN Ia 0.097 1 ZTF SN Ia classification from Si II absorption trough and Fe features in the blue. Redshift from host Na D lines at z = 0.097 ± 0.0005. 2026TNSCR1292....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
23347 2026-03-22 06:21:18 Lick-3m / KAST Michael Rich, Ethan Cotta, Zoë McGrath Aleksandra Bochenek ZTF tns_2026ewt_2026-03-22_06-21-18_Lick-3m_KAST_ZTF.txt Object

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