RA/DEC (2000)
05:08:46.941 -13:07:32.68
77.195587 -13.1257438
Type
SN Ia
Redshift
0.062
Discovery ReportClassification Report
Reporting Group
GOTO
Discovering Data Source
GOTO
Discovery Date
2026-01-07 11:08:00.960
TNS AT
Y
Public
Y
Discovery Mag
18.7
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_2026dn - 2026-01-14 05:59:08 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
 ▌ATLAS-CHL_ATLAS-04_orange
 ▌ATLAS-STH_ATLAS-03_orange
 ▌GOTO-N_GOTO-1_L
 ▌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
22766 2026-01-14 05:59:08 P60 / SEDM 2700 SEDmRobot auto ZTF tns_2026dn_2026-01-14_05-59-07.718924_P60_SEDM_ZTF.ascii Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-S_GOTO-3 2026-01-07 11:08:01 - 2026-01-07 11:08:01 2461047.9639 - 2461047.9639 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
547386 2026-01-07 11:08:01 2461047.9639 18.7 0.04 ABMag L-GOTO GOTO-S_GOTO-3 180
orange-ATLAS ATLAS-CHL_ATLAS-04 2026-01-07 05:10:08 - 2026-01-07 05:10:08 2461047.71537 - 2461047.71537 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
547731 2026-01-07 05:10:08 2461047.71537 18.78 ABMag orange-ATLAS ATLAS-CHL_ATLAS-04 30 Robot [Last non detection]
orange-ATLAS ATLAS-STH_ATLAS-03 2026-01-08 00:10:43 - 2026-01-08 00:10:43 2461048.50744 - 2461048.50744 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
547732 2026-01-08 00:10:43 2461048.50744 18.726 0.168 18.99 ABMag orange-ATLAS ATLAS-STH_ATLAS-03 30 Robot
L-GOTO GOTO-N_GOTO-1 2025-12-30 23:33:57 - 2025-12-30 23:33:57 2461040.481908 - 2461040.481908 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
547385 2025-12-30 23:33:57 2461040.481908 19.3 ABMag L-GOTO GOTO-N_GOTO-1 180 [Last non detection]
g-ZTF P48_ZTF-Cam 2025-12-30 05:43:59 - 2026-01-14 04:24:16 2461039.7388773 - 2461054.6835185 3
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
549608 2026-01-14 04:24:16 2461054.6835185 18.5531 0.0900647 ABMag g-ZTF P48_ZTF-Cam
549607 2026-01-11 05:33:54 2461051.731875 18.6064 0.203821 ABMag g-ZTF P48_ZTF-Cam
549606 2025-12-30 05:43:59 2461039.7388773 19.6963 ABMag g-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
287015 2026-01-14 05:27:30 Fritz Jesper Sollerman (SU),Christoffer Fremling (Caltech),Daniel Perley (LJMU) et al. ZTF ZTF 05:08:46.941 -13:07:32.68 2026-01-11 05:33:54.000 18.6064 g-ZTF PSN ZTF26aaacjqr ZTF N
286096 2026-01-09 08:05:32 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland (IfA et al. ATLAS ATLAS 05:08:46.947 -13:07:32.68 2026-01-08 00:10:42.816 18.726 orange-ATLAS PSN ATLAS26ada ATLAS N
285931 2026-01-07 19:43:10 GOTO_bot G. Ramsay,D. O'Neill,K. Ackley et al. GOTO GOTO 05:08:46.948 -13:07:32.70 2026-01-07 11:08:00.960 18.7 L-GOTO Other GOTO26J GOTO 2026TNSTR..54....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
22765 2026-01-14 06:56:13 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 0.062 1 ZTF 2026TNSCR.162....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
22766 2026-01-14 05:59:08 P60 / SEDM 2700 SEDmRobot auto ZTF tns_2026dn_2026-01-14_05-59-07.718924_P60_SEDM_ZTF.ascii Object

Comments

TNS
System

Wed, 01/14/2026 - 05:27

Object coordinates updated

Object coordinates updated according to AT-report 287015 of Group ZTF
Previous RA, DEC: 05:08:46.947, -13:07:32.68 (77.1956135714, -13.1257442857)
Updated RA, DEC: 05:08:46.941, -13:07:32.68 (77.195587, -13.1257438)

TNS
System

Fri, 01/09/2026 - 08:05

Object coordinates updated

Object coordinates updated according to AT-report 286096 of Group ATLAS
Previous RA, DEC: 05:08:46.948, -13:07:32.70 (77.195617, -13.12575)
Updated RA, DEC: 05:08:46.947, -13:07:32.68 (77.1956135714, -13.1257442857)