RA/DEC (2000)
04:59:59.020 -05:27:51.11
74.9959177 -5.4641984
Type
SN Ia
Redshift
0.086907
Discovery ReportClassification Report
Reporting Group
GOTO
Discovering Data Source
GOTO
Discovery Date
2026-02-24 10:04:48.000
TNS AT
Y
Public
Y
Discovery Mag
19.39
Filter
L-GOTO
Reporter/s
G. Ramsay, D. O'Neill, K. Ackley, M. Dyer, J. Lyman, K. Ulaczyk, D. Steeghs, D. Galloway, V. Dhillon, P. O'Brien, 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
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2026ehd - 2026-03-01 04:30:50 P60 / SEDM (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

 ▌GOTO-S_GOTO-3_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
23122 2026-03-01 04:30:50 P60 / SEDM 2700 SEDmRobot ZTF tns_2026ehd_2026-03-01_04-30-49.521200_P60_SEDM_ZTF.ascii Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-S_GOTO-3 2026-02-17 10:16:17 - 2026-02-24 10:04:48 2461088.927973 - 2461095.919998 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
561184 2026-02-24 10:04:48 2461095.919998 19.39 0.13 ABMag L-GOTO GOTO-S_GOTO-3 135
561183 2026-02-17 10:16:17 2461088.927973 20.2 ABMag L-GOTO GOTO-S_GOTO-3 135 [Last non detection]
i-ZTF P48_ZTF-Cam 2026-02-22 03:51:04 - 2026-02-22 03:51:04 2461093.660463 - 2461093.660463 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
562156 2026-02-22 03:51:04 2461093.660463 19.4826 ABMag i-ZTF P48_ZTF-Cam [Last non detection]
r-ZTF P48_ZTF-Cam 2026-02-23 03:09:22 - 2026-02-23 03:09:22 2461094.6315046 - 2461094.6315046 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
562157 2026-02-23 03:09:22 2461094.6315046 19.6287 0.144965 ABMag r-ZTF P48_ZTF-Cam
g-ZTF P48_ZTF-Cam 2026-02-28 05:08:26 - 2026-02-28 05:08:26 2461099.7141898 - 2461099.7141898 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
562158 2026-02-28 05:08:26 2461099.7141898 18.8472 0.113023 ABMag g-ZTF P48_ZTF-Cam
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
293290 2026-02-28 05:38:48 Fritz Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU) et al. ZTF ZTF 04:59:59.020 -05:27:51.11 2026-02-23 03:09:21.997 19.6287 r-ZTF PSN ZTF26aahdian ZTF N
292747 2026-02-24 11:58:21 GOTO_bot G. Ramsay, D. O'Neill, K. Ackley et al. GOTO GOTO 04:59:59.017 -05:27:51.28 2026-02-24 10:04:48.000 19.39 L-GOTO Other GOTO26bml GOTO 2026TNSTR.776....1R N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
23121 2026-03-03 22:35:20 ZTF_Bot1 J. Sollerman, 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 0.086907 1 ZTF 2026TNSCR.908....1S
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
23122 2026-03-01 04:30:50 P60 / SEDM 2700 SEDmRobot ZTF tns_2026ehd_2026-03-01_04-30-49.521200_P60_SEDM_ZTF.ascii Object

Comments

TNS
System

Sat, 02/28/2026 - 05:38

Object coordinates updated

Object coordinates updated according to AT-report 293290 of Group ZTF
Previous RA, DEC: 04:59:59.017, -05:27:51.28 (74.995906, -5.464245)
Updated RA, DEC: 04:59:59.020, -05:27:51.11 (74.9959177, -5.4641984)