RA/DEC (2000)
12:37:43.073 +33:26:04.48
189.429472 +33.4345778
Type
SN Ia
Redshift
0.031209
Discovery ReportClassification Report
Reporting Group
GOTO
Discovering Data Source
GOTO
Discovery Date
2026-01-28 04:34:22.656
TNS AT
Y
Public
Y
Host Name
PGC042179
Comments
[Object cross-matched with PGC042179]
Discovery Mag
19.14
Filter
L-GOTO
Reporter/s
S. Belkin, 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_2026bnm - 2026-01-31 10:43:30 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
z-step:   v-step: 
   Binning factor: (rounded to nearest integer >1)
Mouse hovers at WL: 0 (rest),0 (observed)

Light curves

 ▌WFST_WFST-WFC_g
 ▌GOTO-N_GOTO-2_L
 ▌P48_ZTF-Cam_r
 ▌ATLAS-MLO_ATLAS-01_orange
 ▌ATLAS-HKO_ATLAS-02_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
22890 2026-01-31 10:43:30 P60 / SEDM 2160 SEDmRobot auto ZTF tns_2026bnm_2026-01-31_10-43-29.926737_P60_SEDM_ZTF.ascii Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
g-WFST WFST_WFST-WFC 2026-01-05 19:53:46 - 2026-02-22 16:45:07 2461046.329 - 2461094.198 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
573973 2026-02-22 16:45:07 2461094.198 17.78 0.01 ABMag g-WFST WFST_WFST-WFC 30
573972 2026-01-05 19:53:46 2461046.329 21.45 ABMag g-WFST WFST_WFST-WFC 30 [Last non detection]
L-GOTO GOTO-N_GOTO-2 2026-01-26 03:40:43 - 2026-01-28 04:34:23 2461066.653276 - 2461068.69054 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
554287 2026-01-28 04:34:23 2461068.69054 19.14 0.09 ABMag L-GOTO GOTO-N_GOTO-2 180
554286 2026-01-26 03:40:43 2461066.653276 20.2 ABMag L-GOTO GOTO-N_GOTO-2 180 [Last non detection]
r-ZTF P48_ZTF-Cam 2026-01-19 11:08:07 - 2026-01-31 09:25:09 2461059.9639699 - 2461071.8924653 3
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
555058 2026-01-31 09:25:09 2461071.8924653 17.8024 0.0664138 ABMag r-ZTF P48_ZTF-Cam
555057 2026-01-29 10:57:00 2461069.95625 18.4259 0.0385661 ABMag r-ZTF P48_ZTF-Cam
555056 2026-01-19 11:08:07 2461059.9639699 20.6657 ABMag r-ZTF P48_ZTF-Cam [Last non detection]
orange-ATLAS ATLAS-MLO_ATLAS-01 2026-01-26 11:44:05 - 2026-01-26 11:44:05 2461066.98895 - 2461066.98895 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
554750 2026-01-26 11:44:05 2461066.98895 19.37 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 30 Robot [Last non detection]
orange-ATLAS ATLAS-HKO_ATLAS-02 2026-01-29 11:26:21 - 2026-01-29 11:26:21 2461069.97663 - 2461069.97663 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
554751 2026-01-29 11:26:21 2461069.97663 18.236 0.116 18.97 ABMag orange-ATLAS ATLAS-HKO_ATLAS-02 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
299439 2026-04-09 13:26:50 WFST_SN Zelin Xu, Dezheng Meng, Ji-an Jiang et al. WFST WFST 12:37:43.070 +33:26:04.42 2026-02-22 16:45:07.200 17.78 g-WFST PSN WFST260105cawmj WFST N
289572 2026-01-31 10:24:42 Fritz Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU) et al. ZTF ZTF 12:37:43.073 +33:26:04.48 2026-01-29 10:56:59.999 18.4259 r-ZTF PSN ZTF26aaeexvz ZTF N
289401 2026-01-30 12:01:06 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland (IfA, University of Hawaii) et al. ATLAS ATLAS 12:37:43.060 +33:26:04.56 2026-01-29 11:26:20.832 18.236 orange-ATLAS PSN ATLAS26bfy ATLAS N
289167 2026-01-28 08:50:34 GOTO_bot S. Belkin, D. O'Neill, K. Ackley et al. GOTO GOTO 12:37:43.079 +33:26:04.89 2026-01-28 04:34:22.656 19.14 L-GOTO Other GOTO26ahp GOTO 2026TNSTR.375....1B N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
22889 2026-01-31 16:30:57 ZTF_Bot1 C. Fremling, D. Neill, Y. Sharma on behalf of the SEDM Team (Caltech) and the Zwicky Transient Facility (ZTF) based on SNIascore ZTF SN Ia 0.031209 1 ZTF 2026TNSCR.424....1F
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
22890 2026-01-31 10:43:30 P60 / SEDM 2160 SEDmRobot auto ZTF tns_2026bnm_2026-01-31_10-43-29.926737_P60_SEDM_ZTF.ascii Object

Comments

TNS
System

Sat, 01/31/2026 - 10:24

Object coordinates updated

Object coordinates updated according to AT-report 289572 of Group ZTF
Previous RA, DEC: 12:37:43.060, +33:26:04.56 (189.429416154, +33.4345992308)
Updated RA, DEC: 12:37:43.073, +33:26:04.48 (189.429472, +33.4345778)

TNS
System

Fri, 01/30/2026 - 12:01

Object coordinates updated

Object coordinates updated according to AT-report 289401 of Group ATLAS
Previous RA, DEC: 12:37:43.079, +33:26:04.89 (189.429494, +33.434691)
Updated RA, DEC: 12:37:43.060, +33:26:04.56 (189.429416154, +33.4345992308)