RA/DEC (2000)
22:50:56.870 -31:36:35.38
342.736958 -31.609828
Type
SN Ia
Redshift
0.0672
Discovery ReportClassification Report
Reporting Group
GOTO
Discovering Data Source
GOTO
Discovery Date
2026-08-31 13:38:40.992
TNS AT
Y
Public
Y
Discovery Mag
19.23
Filter
L-GOTO
Reporter/s
M. Kennedy, 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_2026aafw - 2026-09-03 10:05:16 UH88 / SNIFS (SCAT)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

 ▌GOTO-S_GOTO-4_L
 ▌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
24634 2026-09-03 10:05:16 UH88 / SNIFS 1800 Hinkle SCAT tns_2026aafw_2026-09-03_10-05-16_UH88_SNIFS_SCAT.txt Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-S_GOTO-4 2026-08-30 13:46:51 - 2026-08-31 13:38:41 2461283.074198 - 2461284.068533 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
615784 2026-08-31 13:38:41 2461284.068533 19.23 0.13 ABMag L-GOTO GOTO-S_GOTO-4 180
615783 2026-08-30 13:46:51 2461283.074198 19.6 ABMag L-GOTO GOTO-S_GOTO-4 180 [Last non detection]
orange-ATLAS ATLAS-MLO_ATLAS-01 2026-09-02 10:44:22 - 2026-09-02 10:44:22 2461285.94748 - 2461285.94748 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
616104 2026-09-02 10:44:22 2461285.94748 18.679 0.179 18.88 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 30 Robot
orange-ATLAS ATLAS-HKO_ATLAS-02 2026-08-30 11:26:08 - 2026-08-30 11:26:08 2461282.97648 - 2461282.97648 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
616103 2026-08-30 11:26:08 2461282.97648 18.46 ABMag orange-ATLAS ATLAS-HKO_ATLAS-02 30 Robot [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
322102 2026-09-03 08:56:54 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland (IfA, University of Hawaii) et al. ATLAS ATLAS 22:50:56.870 -31:36:35.38 2026-09-02 10:44:22.272 18.679 orange-ATLAS PSN ATLAS26ksw ATLAS N
321938 2026-09-01 18:57:13 GOTO_bot M. Kennedy, D. O'Neill, K. Ackley et al. GOTO GOTO 22:50:56.843 -31:36:35.36 2026-08-31 13:38:40.992 19.23 L-GOTO Other GOTO26irq GOTO 2026TNSTR3526....1K N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
24626 2026-09-04 16:17:57 Jason Hinkle Jason Hinkle (UIUC) on behalf of SCAT SCAT SN Ia 0.0672 1 SCAT Redshift from the archival 2dF host spectrum available on NED. Cross-correlation with SNID-SAGE (Stoppa & Smartt 2026) yields best matches to SNe Ia-99aa and SNe Ia-91T, with reasonable matches to SNe Ia-norm at this redshift. 2026TNSCR3580....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
24634 2026-09-03 10:05:16 UH88 / SNIFS 1800 Hinkle SCAT tns_2026aafw_2026-09-03_10-05-16_UH88_SNIFS_SCAT.txt Object

Comments

TNS
System

Thu, 09/03/2026 - 08:56

Object coordinates updated

Object coordinates updated according to AT-report 322102 of Group ATLAS
Previous RA, DEC: 22:50:56.843, -31:36:35.36 (342.736845, -31.609821)
Updated RA, DEC: 22:50:56.870, -31:36:35.38 (342.736958, -31.609828)