RA/DEC (2000)
21:33:15.841 +03:06:48.93
323.31600594667 +3.11359272
Type
SN Ia
Redshift
0.09
Discovery ReportClassification Report
Reporting Group
GOTO
Discovering Data Source
GOTO
Discovery Date
2026-05-18 04:01:31.872
TNS AT
Y
Public
Y
Discovery Mag
20.15
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_2026neh - 2026-05-27 03:51:20 NOT / ALFOSC (None)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

 ▌ATLAS-CHL_ATLAS-04_cyan
 ▌GOTO-N_GOTO-1_L
 ▌P48_ZTF-Cam_i
 ▌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
23854 2026-05-27 03:51:20 NOT / ALFOSC A. Singh, J. Sollerman, Florent I.M. and AA Djupvik A. Singh None tns_2026neh_2026-05-27_03-51-20.018_NOT_ALFOSC_None.ascii Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
cyan-ATLAS ATLAS-CHL_ATLAS-04 2026-05-17 10:16:37 - 2026-05-20 07:46:51 2461177.92821 - 2461180.8242 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
584419 2026-05-20 07:46:51 2461180.8242 19.216 0.166 19.47 ABMag cyan-ATLAS ATLAS-CHL_ATLAS-04 30 Robot
584418 2026-05-17 10:16:37 2461177.92821 19.47 ABMag cyan-ATLAS ATLAS-CHL_ATLAS-04 30 Robot [Last non detection]
L-GOTO GOTO-N_GOTO-1 2026-05-17 04:07:42 - 2026-05-18 04:01:32 2461177.672013 - 2461178.667731 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
584099 2026-05-18 04:01:32 2461178.667731 20.15 0.21 ABMag L-GOTO GOTO-N_GOTO-1 180
584098 2026-05-17 04:07:42 2461177.672013 20.1 ABMag L-GOTO GOTO-N_GOTO-1 180 [Last non detection]
i-ZTF P48_ZTF-Cam 2026-05-19 11:05:27 - 2026-05-19 11:05:27 2461179.9621181 - 2461179.9621181 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
584138 2026-05-19 11:05:27 2461179.9621181 19.8657 0.20525 ABMag i-ZTF P48_ZTF-Cam
r-ZTF P48_ZTF-Cam 2026-05-15 10:55:09 - 2026-05-20 10:50:04 2461175.9549653 - 2461180.9514352 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
584139 2026-05-20 10:50:04 2461180.9514352 19.5759 0.145113 ABMag r-ZTF P48_ZTF-Cam
584137 2026-05-15 10:55:09 2461175.9549653 20.3108 ABMag r-ZTF P48_ZTF-Cam [Last non detection]
g-ZTF P48_ZTF-Cam 2026-05-15 10:18:37 - 2026-05-20 09:46:29 2461175.9295949 - 2461180.9072801 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
587892 2026-05-20 09:46:29 2461180.9072801 19.487 0.190907 20.0581 ABMag g-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF, classified by Fink
587891 2026-05-15 10:18:37 2461175.9295949 20.3442 ABMag g-ZTF P48_ZTF-Cam 30 Robot [Last non detection] Data provided by ZTF, classified by Fink
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
306543 2026-05-29 11:19:22 Fink Julien Peloton, Anais Moller, Emille E. O. Ishida on behalf of the Fink broker Fink ZTF 21:33:15.841 +03:06:48.93 2026-05-20 09:46:29.001 19.487 g-ZTF PSN ZTF26aaxnkxg ZTF Early SN Ia candidate classified by Fink using the public ZTF stream. Object data at https://fink-portal.org/ZTF26aaxnkxg N
304805 2026-05-21 17:02:49 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland (IfA, University of Hawaii) et al. ATLAS ATLAS 21:33:15.802 +03:06:49.18 2026-05-20 07:46:50.880 19.216 cyan-ATLAS PSN ATLAS26gdu ATLAS N
304677 2026-05-20 14:13:14 Fritz Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU) et al. ZTF ZTF 21:33:15.838 +03:06:49.11 2026-05-19 11:05:27.003 19.8657 i-ZTF PSN ZTF26aaxnkxg ZTF N
304660 2026-05-20 11:43:28 GOTO_bot G. Ramsay, D. O'Neill, K. Ackley et al. GOTO GOTO 21:33:15.806 +03:06:49.52 2026-05-18 04:01:31.872 20.15 L-GOTO Other GOTO26ezb GOTO 2026TNSTR2190....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
23850 2026-05-27 16:50:05 Sigrid Nissen A. H. Andersen, J. E. Kløve, S. H. Nissen, G. Leloudas (DTU Space), J. Sollerman, A. Singh (OKC), S. Schulze (WIS) None SN Ia 0.09 1 Redshift from SN template. 2026TNSCR2309....1A
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
23854 2026-05-27 03:51:20 NOT / ALFOSC A. Singh, J. Sollerman, Florent I.M. and AA Djupvik A. Singh None tns_2026neh_2026-05-27_03-51-20.018_NOT_ALFOSC_None.ascii Object

Comments

TNS
System

Fri, 05/29/2026 - 11:19

Object coordinates updated

Object coordinates updated according to AT-report 306543 of Group ZTF
Previous RA, DEC: 21:33:15.838, +03:06:49.11 (323.3159933, +3.1136405)
Updated RA, DEC: 21:33:15.841, +03:06:48.93 (323.31600594667, +3.11359272)

TNS
System

Wed, 05/20/2026 - 14:13

Object coordinates updated

Object coordinates updated according to AT-report 304677 of Group ZTF
Previous RA, DEC: 21:33:15.806, +03:06:49.52 (323.315859, +3.113756)
Updated RA, DEC: 21:33:15.838, +03:06:49.11 (323.3159933, +3.1136405)