RA/DEC (2000)
11:09:42.685 +07:54:15.71
167.4278526 +7.9043652
Type
SN Ia
Redshift
0.128
Discovery ReportClassification Report
Reporting Group
GOTO
Discovering Data Source
GOTO
Discovery Date
2026-02-17 13:58:33.312
TNS AT
Y
Public
Y
Discovery Mag
20.37
Filter
L-GOTO
Reporter/s
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
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2026dmb - 2026-03-14 08:03:41 P200 / NGPS (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
 ▌GOTO-N_GOTO-1_L
 ▌P48_ZTF-Cam_r
   
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
23258 2026-03-14 08:03:41 P200 / NGPS K-Ryan Hinds K-Ryan Hinds ZTF tns_2026dmb_2026-03-14_08-03-41_P200_NGPS_ZTF.ascii Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-S_GOTO-3 2026-02-17 13:58:33 - 2026-02-17 13:58:33 2461089.082333 - 2461089.082333 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
559129 2026-02-17 13:58:33 2461089.082333 20.37 0.2 ABMag L-GOTO GOTO-S_GOTO-3 180
L-GOTO GOTO-N_GOTO-1 2026-02-17 00:51:17 - 2026-02-17 00:51:17 2461088.535607 - 2461088.535607 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
559128 2026-02-17 00:51:17 2461088.535607 19.8 ABMag L-GOTO GOTO-N_GOTO-1 180 [Last non detection]
r-ZTF P48_ZTF-Cam 2026-02-15 10:13:32 - 2026-02-24 07:21:21 2461086.9260648 - 2461095.8064931 3
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
561052 2026-02-24 07:21:21 2461095.8064931 19.7103 0.186474 ABMag r-ZTF P48_ZTF-Cam
561051 2026-02-23 09:39:56 2461094.9027315 19.6251 0.152142 ABMag r-ZTF P48_ZTF-Cam
561050 2026-02-15 10:13:32 2461086.9260648 18.308 ABMag r-ZTF P48_ZTF-Cam [Last non detection]
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
292694 2026-02-24 08:01:26 Fritz Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU) et al. ZTF ZTF 11:09:42.685 +07:54:15.71 2026-02-23 09:39:56.001 19.6251 r-ZTF PSN ZTF26aahizzm ZTF N
291685 2026-02-17 16:01:32 GOTO_bot D. O'Neill, K. Ackley, M. Dyer et al. GOTO GOTO 11:09:42.661 +07:54:15.43 2026-02-17 13:58:33.312 20.37 L-GOTO Other GOTO26bbh GOTO 2026TNSTR.673....1O N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
23257 2026-03-17 21:26:18 ZTF_Bot1 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 0.128 1 ZTF 2026TNSCR1151....1H
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
23258 2026-03-14 08:03:41 P200 / NGPS K-Ryan Hinds K-Ryan Hinds ZTF tns_2026dmb_2026-03-14_08-03-41_P200_NGPS_ZTF.ascii Object

Comments

TNS
System

Tue, 02/24/2026 - 08:01

Object coordinates updated

Object coordinates updated according to AT-report 292694 of Group ZTF
Previous RA, DEC: 11:09:42.661, +07:54:15.43 (167.427753, +7.904285)
Updated RA, DEC: 11:09:42.685, +07:54:15.71 (167.4278526, +7.9043652)