RA/DEC (2000)
17:54:57.289 +26:32:32.70
268.7387042 +26.5424178
Type
SN Ia
Redshift
0.035
Discovery ReportClassification Report
Reporting Group
GOTO
Discovering Data Source
GOTO
Discovery Date
2026-05-31 00:38:51.072
TNS AT
Y
Public
Y
Discovery Mag
18.94
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_2026odc - 2026-06-03 16:46:11 Lijiang-2.4m / YFOSC (LiONS)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
23935 2026-06-03 16:46:11 Lijiang-2.4m / YFOSC Jujia Zhang LiONS tns_2026odc_2026-06-03_16-46-11.102_Lijiang-2.4m_YFOSC_LiONS.dat Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-N_GOTO-2 2026-05-29 00:45:43 - 2026-05-31 00:38:51 2461189.53175 - 2461191.526982 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
588607 2026-05-31 00:38:51 2461191.526982 18.94 0.19 ABMag L-GOTO GOTO-N_GOTO-2 180
588606 2026-05-29 00:45:43 2461189.53175 19.3 ABMag L-GOTO GOTO-N_GOTO-2 180 [Last non detection]
r-ZTF P48_ZTF-Cam 2026-05-31 08:50:30 - 2026-06-03 08:53:27 2461191.8684028 - 2461194.8704514 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
588638 2026-06-03 08:53:27 2461194.8704514 18.1473 0.048499 ABMag r-ZTF P48_ZTF-Cam
588637 2026-05-31 08:50:30 2461191.8684028 18.7711 0.0534593 ABMag r-ZTF P48_ZTF-Cam
g-ZTF P48_ZTF-Cam 2026-05-19 10:54:59 - 2026-05-19 10:54:59 2461179.9548495 - 2461179.9548495 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
588636 2026-05-19 10:54:59 2461179.9548495 20.6888 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
306921 2026-06-03 10:33:32 Fritz Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU) et al. ZTF ZTF 17:54:57.289 +26:32:32.70 2026-05-31 08:50:30.001 18.7711 r-ZTF PSN ZTF26aayytdo ZTF N
306909 2026-06-03 08:37:18 GOTO_bot G. Ramsay, D. O'Neill, K. Ackley et al. GOTO GOTO 17:54:57.286 +26:32:32.71 2026-05-31 00:38:51.072 18.94 L-GOTO Other GOTO26fgk GOTO 2026TNSTR2353....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
23931 2026-06-04 13:27:14 Liping Li Zeyi Wang, Liping Li, Qian Zhai, Bo Wang, Jujia Zhang (YNAO); Xiaofeng Wang(THU) LiONS SN Ia 0.035 1 LiONS, YNTS The spectrum is similar to that of an SN Ia.
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
23935 2026-06-03 16:46:11 Lijiang-2.4m / YFOSC Jujia Zhang LiONS tns_2026odc_2026-06-03_16-46-11.102_Lijiang-2.4m_YFOSC_LiONS.dat Object

Comments

TNS
System

Wed, 06/03/2026 - 10:33

Object coordinates updated

Object coordinates updated according to AT-report 306921 of Group ZTF
Previous RA, DEC: 17:54:57.286, +26:32:32.71 (268.73869, +26.54242)
Updated RA, DEC: 17:54:57.289, +26:32:32.70 (268.7387042, +26.5424178)