RA/DEC (2000)
14:26:51.866 +60:24:31.86
216.7161093 +60.4088511
Type
SN II
Redshift
0.0374
Discovery ReportClassification Report
Reporting Group
GOTO
Discovering Data Source
GOTO
Discovery Date
2026-04-21 02:32:51.360
TNS AT
Y
Public
Y
Discovery Mag
19.1
Filter
L-GOTO
Reporter/s
D. O'Neill, B. Gompertz, 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. Godson, T. Killestein, A. Kumar, M. Pursiainen, on behalf of GOTO collaboration
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2026kgy - 2026-06-01 06:47:24 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-N_GOTO-2_L
 ▌P48_ZTF-Cam_r
 ▌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
23944 2026-06-01 06:47:24 P60 / SEDM 2700 SEDmRobot ZTF tns_2026kgy_2026-06-01_06-47-23.558363_P60_SEDM_ZTF.ascii Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-N_GOTO-2 2026-04-16 01:09:29 - 2026-04-21 02:32:51 2461146.548252 - 2461151.606151 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
576813 2026-04-21 02:32:51 2461151.606151 19.1 0.06 ABMag L-GOTO GOTO-N_GOTO-2 360
576812 2026-04-16 01:09:29 2461146.548252 20.1 ABMag L-GOTO GOTO-N_GOTO-2 180 [Last non detection]
r-ZTF P48_ZTF-Cam 2026-04-18 10:18:28 - 2026-04-18 10:18:28 2461148.9294907 - 2461148.9294907 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
577120 2026-04-18 10:18:28 2461148.9294907 20.8772 ABMag r-ZTF P48_ZTF-Cam [Last non detection]
g-ZTF P48_ZTF-Cam 2026-04-21 07:19:09 - 2026-04-23 08:14:07 2461151.8049653 - 2461153.8431366 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
577122 2026-04-23 08:14:07 2461153.8431366 18.2395 0.0634992 ABMag g-ZTF P48_ZTF-Cam
577121 2026-04-21 07:19:09 2461151.8049653 18.8818 0.109097 ABMag g-ZTF P48_ZTF-Cam
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
301065 2026-04-23 09:20:05 Fritz Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU) et al. ZTF ZTF 14:26:51.866 +60:24:31.86 2026-04-21 07:19:09.001 18.8818 g-ZTF PSN ZTF26aatpmfa ZTF N
300906 2026-04-21 20:47:27 GOTO_bot D. O'Neill, B. Gompertz, K. Ackley et al. GOTO GOTO 14:26:51.866 +60:24:31.58 2026-04-21 02:32:51.360 19.1 L-GOTO Other GOTO26dne GOTO 2026TNSTR1748....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
23940 2026-06-04 23:28:55 ZTF_Bot1 J. Sollerman, J. Castaneda Jaimes, C. Fremling (Caltech) on behalf of the Zwicky Transient Facility (ZTF) ZTF SN II 0.0374 1 ZTF
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
23944 2026-06-01 06:47:24 P60 / SEDM 2700 SEDmRobot ZTF tns_2026kgy_2026-06-01_06-47-23.558363_P60_SEDM_ZTF.ascii Object

Comments

TNS
System

Thu, 04/23/2026 - 09:20

Object coordinates updated

Object coordinates updated according to AT-report 301065 of Group ZTF
Previous RA, DEC: 14:26:51.866, +60:24:31.58 (216.716109, +60.408771)
Updated RA, DEC: 14:26:51.866, +60:24:31.86 (216.7161093, +60.4088511)