RA/DEC (2000)
13:57:44.051 +03:58:25.98
209.43354564411 +3.973882842374
Type
SN Ia
Redshift
0.13499787
Reporting Group
GOTO
Discovering Data Source
GOTO
Discovery Date
2026-02-24 03:19:57.504
TNS AT
Y
Public
Y
Discovery Mag
19.88
Filter
L-GOTO
Reporter/s
M. Magee, D. O'Neill, K. Ackley, M. Dyer, J. Lyman, K. Ulaczyk, D. Steeghs, D. Galloway, V. Dhillon, P. O'Brien, G. Ramsay, K. Noysena, R. Kotak, R. Breton, J. Casares, L. Nuttall, R. Starling, B. Gompertz, B. Godson, T. Killestein, A. Kumar, M. Pursiainen, on behalf of GOTO collaboration

Spectra

 SN_2026ekh - 2026-03-08 12:49:40 P200 / NGPS (ZTF)z=
Show H at z=vexp= km/s
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Show He II at z=vexp= km/s
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Show N II at z=vexp= km/s
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Show N V at z=vexp= km/s
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Show [O I] at z=vexp= km/s
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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
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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
 WFST_WFST-WFC_g
 ATLAS-STH_ATLAS-03_orange
 GOTO-N_GOTO-1_L
 P48_ZTF-Cam_i
 P48_ZTF-Cam_r
 P48_ZTF-Cam_g
   
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
23171 2026-03-08 12:49:40 P200 / NGPS K-Ryan Hinds K-Ryan Hinds ZTF tns_2026ekh_2026-03-08_12-49-40_P200_NGPS_ZTF.ascii Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
wide-ATLAS ATLAS-TDO_ATLAS-05 2026-03-16 03:07:22 - 2026-03-16 03:07:22 2461115.63012 - 2461115.63012 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
565236 2026-03-16 03:07:22 2461115.63012 19.464 0.116 20.09 ABMag wide-ATLAS ATLAS-TDO_ATLAS-05 30 Robot
r-WFST WFST_WFST-WFC 2026-02-18 20:06:43 - 2026-02-18 20:06:43 2461090.338 - 2461090.338 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
575763 2026-02-18 20:06:43 2461090.338 22.78 ABMag r-WFST WFST_WFST-WFC 90 [Last non detection]
g-WFST WFST_WFST-WFC 2026-02-18 22:53:46 - 2026-02-18 22:53:46 2461090.454 - 2461090.454 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
575764 2026-02-18 22:53:46 2461090.454 22.88 0.15 ABMag g-WFST WFST_WFST-WFC 90
orange-ATLAS ATLAS-STH_ATLAS-03 2026-03-14 23:33:40 - 2026-03-14 23:33:40 2461114.48171 - 2461114.48171 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
565235 2026-03-14 23:33:40 2461114.48171 19.49 ABMag orange-ATLAS ATLAS-STH_ATLAS-03 30 Robot [Last non detection]
L-GOTO GOTO-N_GOTO-1 2026-02-23 03:45:55 - 2026-02-24 03:19:58 2461094.656887 - 2461095.638864 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
561501 2026-02-24 03:19:58 2461095.638864 19.88 0.19 ABMag L-GOTO GOTO-N_GOTO-1 180
561500 2026-02-23 03:45:55 2461094.656887 19.9 ABMag L-GOTO GOTO-N_GOTO-1 180 [Last non detection]
i-ZTF P48_ZTF-Cam 2026-02-23 09:25:29 - 2026-02-23 09:25:29 2461094.8926968 - 2461094.8926968 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
561602 2026-02-23 09:25:29 2461094.8926968 20.006 ABMag i-ZTF P48_ZTF-Cam 30 Robot [Last non detection] Data provided by ZTF
r-ZTF P48_ZTF-Cam 2026-02-24 11:00:10 - 2026-02-24 11:00:10 2461095.9584491 - 2461095.9584491 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
561604 2026-02-24 11:00:10 2461095.9584491 20.0652 0.296101 19.783 ABMag r-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF
g-ZTF P48_ZTF-Cam 2026-02-23 10:34:43 - 2026-02-25 10:29:42 2461094.9407755 - 2461096.9372917 3
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
561606 2026-02-25 10:29:42 2461096.9372917 19.8085 0.150397 20.2937 ABMag g-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF
561605 2026-02-24 12:09:04 2461096.0062963 19.8581 0.26077 19.5394 ABMag g-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF
561603 2026-02-23 10:34:43 2461094.9407755 20.3112 0.234675 20.358 ABMag g-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF
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
300370 2026-04-16 13:07:43 WFST_SN Zelin Xu, Dezheng Meng, Ji-an Jiang et al. WFST WFST 13:57:44.030 +03:58:25.84 2026-02-18 22:53:45.600 22.88 g-WFST PSN WFST0519jamh WFST N
294712 2026-03-16 14:15:21 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland (IfA, University of Hawaii) et al. ATLAS ATLAS 13:57:44.039 +03:58:25.68 2026-03-16 03:07:22.368 19.464 wide-ATLAS PSN ATLAS26dao ATLAS N
292971 2026-02-25 18:41:57 ALeRCE A. Munoz-Arancibia, F.E. Bauer, G. Pignata et al. ALeRCE ZTF 13:57:44.051 +03:58:25.98 2026-02-23 10:34:43.003 20.3112 g-ZTF PSN SDSS J135744.07+035825.0 ZTF26aaicyfr ZTF SN candidate classified using ALeRCE's stamp classifier (Carrasco-Davis et al. 2021) and the public ZTF stream. Discovery image and light curve in http://alerce.online/object/ZTF26aaicyfr N
292923 2026-02-25 12:12:05 GOTO_bot M. Magee, D. O'Neill, K. Ackley et al. GOTO GOTO 13:57:44.008 +03:58:25.72 2026-02-24 03:19:57.504 19.88 L-GOTO Other GOTO26bnz GOTO 2026TNSTR.806....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
23170 2026-03-09 18:48:35 ZTF_Bot1 J. Johansson, K. Hinds, C. Fremling, J. Castaneda Jaimes, T. du Laz, T. Culino, M. Kasliwal (Caltech), M. Coughlin (UoM) on behalf of the ZTF LIONS collaboration ZTF SN Ia 0.13499787 1 ZTF 2026TNSCR.995....1J
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
23171 2026-03-08 12:49:40 P200 / NGPS K-Ryan Hinds K-Ryan Hinds ZTF tns_2026ekh_2026-03-08_12-49-40_P200_NGPS_ZTF.ascii Object

Comments

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 292971 of Group ZTF
Previous RA, DEC: 13:57:44.051, +03:58:25.98 (209.43354564411, +3.973882842374)
Updated RA, DEC: 13:57:44.051, +03:58:25.98 (209.43354564411, +3.973882842374)

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 292971 of Group ZTF
Previous RA, DEC: 13:57:44.051, +03:58:25.98 (209.43354564411, +3.973882842374)
Updated RA, DEC: 13:57:44.051, +03:58:25.98 (209.43354564411, +3.973882842374)

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 292971 of Group ZTF
Previous RA, DEC: 13:57:44.008, +03:58:25.72 (209.433368, +3.973811)
Updated RA, DEC: 13:57:44.051, +03:58:25.98 (209.43354564411, +3.973882842374)