RA/DEC (2000)
20:42:38.124 -35:04:28.71
310.65885 -35.074641
Type
SN II
Redshift
0.09
Discovery ReportClassification Report
Related AstroNotes: 2026-123
Reporting Group
GOTO
Discovering Data Source
GOTO
Discovery Date
2026-04-25 19:14:27.744
TNS AT
Y
Public
Y
Discovery Mag
18.77
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_2026kui - 2026-05-05 06:44:38 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
   
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
23642 2026-05-05 06:44:38 ESO-NTT / EFOSC2-NTT 900 Jasvinderjit Khaulsay, Camila Cárdenas Aiswarya Sankar.K, Anirban Dutta, Yu-Hsing Lee, Amar Aryan, Yi-Zhi Hong, You-Hao Chen ePESSTO+ tns_2026kui_2026-05-05_06-44-38_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2026kui_2026-05-05_06-44-38_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-S_GOTO-4 2025-10-24 09:44:00 - 2026-04-25 19:14:28 2460972.905549 - 2461156.301711 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
578117 2026-04-25 19:14:28 2461156.301711 18.77 0.06 ABMag L-GOTO GOTO-S_GOTO-4 180
578116 2025-10-24 09:44:00 2460972.905549 19.1 ABMag L-GOTO GOTO-S_GOTO-4 90 [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
301560 2026-04-26 12:25:41 GOTO_bot D. O'Neill, K. Ackley, M. Dyer et al. GOTO GOTO 20:42:38.124 -35:04:28.71 2026-04-25 19:14:27.744 18.77 L-GOTO Other GOTO26dyz GOTO 2026TNSTR1832....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
23639 2026-05-05 16:40:50 ePESSTOplus_Bot1 Jasvinderjit Khaulsay, Camila Cárdenas, Aiswarya Sankar.K, Anirban Dutta, Yu-Hsing Lee, Amar Aryan, Yi-Zhi Hong, You-Hao Chen, O. Yaron on behalf of ePESSTO+ ePESSTO+ SN II 0.09 1 ePESSTO+ 2026TNSCR1949....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
23642 2026-05-05 06:44:38 ESO-NTT / EFOSC2-NTT 900 Jasvinderjit Khaulsay, Camila Cárdenas Aiswarya Sankar.K, Anirban Dutta, Yu-Hsing Lee, Amar Aryan, Yi-Zhi Hong, You-Hao Chen ePESSTO+ tns_2026kui_2026-05-05_06-44-38_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2026kui_2026-05-05_06-44-38_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object

Comments