RA/DEC (2000)
12:45:09.372 -35:13:48.39
191.289051429 -35.2301071429
Type
SN Ia
Redshift
0.056
Related AstroNotes: 2026-125
Reporting Group
GOTO
Discovering Data Source
GOTO
Discovery Date
2026-05-05 10:22:43.680
TNS AT
Y
Public
Y
Discovery Mag
18.76
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

Spectra

 SN_2026lky - 2026-05-06 06:39:04 ESO-NTT / EFOSC2-NTT (ePESSTO+)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-4_L
 ATLAS-CHL_ATLAS-04_orange
 ATLAS-MLO_ATLAS-01_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
23651 2026-05-06 06:39:04 ESO-NTT / EFOSC2-NTT 900 Jasvinderjit Khaulsay, Camila Cárdenas Aiswarya Sankar.K, Anirban Dutta, Yu-Hsing Lee, Cheng-Han Lai, Meng-Han Lee, Amar Aryan, Ting-Wan Chen ePESSTO+ tns_2026lky_2026-05-06_06-39-04_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2026lky_2026-05-06_06-39-04_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-S_GOTO-4 2026-04-28 10:32:13 - 2026-05-05 10:22:44 2461158.939036 - 2461165.932447 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
579685 2026-05-05 10:22:44 2461165.932447 18.76 0.13 ABMag L-GOTO GOTO-S_GOTO-4 180
579684 2026-04-28 10:32:13 2461158.939036 19.3 ABMag L-GOTO GOTO-S_GOTO-4 180 [Last non detection]
orange-ATLAS ATLAS-CHL_ATLAS-04 2026-05-06 03:40:58 - 2026-05-06 03:40:58 2461166.65345 - 2461166.65345 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
579897 2026-05-06 03:40:58 2461166.65345 18.174 0.135 19.21 ABMag orange-ATLAS ATLAS-CHL_ATLAS-04 30 Robot
orange-ATLAS ATLAS-MLO_ATLAS-01 2026-05-05 10:08:48 - 2026-05-05 10:08:48 2461165.92278 - 2461165.92278 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
579896 2026-05-05 10:08:48 2461165.92278 18.5 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 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
302497 2026-05-06 21:56:11 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland (IfA, University of Hawaii) et al. ATLAS ATLAS 12:45:09.372 -35:13:48.39 2026-05-06 03:40:58.080 18.174 orange-ATLAS PSN ATLAS26ffc ATLAS N
302383 2026-05-05 19:00:55 GOTO_bot D. O'Neill, K. Ackley, M. Dyer et al. GOTO GOTO 12:45:09.332 -35:13:48.67 2026-05-05 10:22:43.680 18.76 L-GOTO Other GOTO26edr GOTO 2026TNSTR1940....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
23648 2026-05-06 16:59:54 ePESSTOplus_Bot1 Jasvinderjit Khaulsay, Camila Cárdenas, Aiswarya Sankar.K, Anirban Dutta, Yu-Hsing Lee, Cheng-Han Lai, Meng-Han Lee, Amar Aryan, Ting-Wan Chen, O. Yaron on behalf of ePESSTO+ ePESSTO+ SN Ia 0.056 1 ePESSTO+ 2026TNSCR1962....1K
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
23651 2026-05-06 06:39:04 ESO-NTT / EFOSC2-NTT 900 Jasvinderjit Khaulsay, Camila Cárdenas Aiswarya Sankar.K, Anirban Dutta, Yu-Hsing Lee, Cheng-Han Lai, Meng-Han Lee, Amar Aryan, Ting-Wan Chen ePESSTO+ tns_2026lky_2026-05-06_06-39-04_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2026lky_2026-05-06_06-39-04_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object

Comments

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 302497 of Group ATLAS
Previous RA, DEC: 12:45:09.332, -35:13:48.67 (191.288885, -35.230186)
Updated RA, DEC: 12:45:09.372, -35:13:48.39 (191.289051429, -35.2301071429)