RA/DEC (2000)
21:30:13.306 +04:04:54.44
322.5554427 +4.0817902
Type
SN IIb
Redshift
0.0359
Discovery ReportClassification Report
Reporting Group
ZTF
Discovering Data Source
ZTF
Discovery Date
2026-05-11 10:48:33.998
TNS AT
Y
Public
Y
Discovery Mag
19.6091
Filter
r-ZTF
Reporter/s
Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU), Theophile du Laz (Caltech) on behalf of ZTF
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2026meq - 2026-05-25 10:20:00 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

 ▌ATLAS-TDO_ATLAS-05_wide
 ▌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
23824 2026-05-25 10:20:00 P60 / SEDM 2700 SEDmRobot ZTF tns_2026meq_2026-05-25_10-20-00.023041_P60_SEDM_ZTF.ascii Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
wide-ATLAS ATLAS-TDO_ATLAS-05 2026-05-21 03:58:09 - 2026-05-21 03:58:09 2461181.66538 - 2461181.66538 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
584582 2026-05-21 03:58:09 2461181.66538 18.953 0.122 20.16 ABMag wide-ATLAS ATLAS-TDO_ATLAS-05 30 Robot
cyan-ATLAS ATLAS-CHL_ATLAS-04 2026-05-20 08:11:39 - 2026-05-20 08:11:39 2461180.84142 - 2461180.84142 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
584581 2026-05-20 08:11:39 2461180.84142 19.49 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
585005 2026-05-18 04:01:32 2461178.667731 19.93 0.18 ABMag L-GOTO GOTO-N_GOTO-1 180
585004 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 2026-05-09 11:15:33 - 2026-05-09 11:15:33 2461169.9691319 - 2461169.9691319 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
581533 2026-05-09 11:15:33 2461169.9691319 20.0602 ABMag i-ZTF P48_ZTF-Cam [Last non detection]
r-ZTF P48_ZTF-Cam 2026-05-11 10:48:34 - 2026-05-11 10:48:34 2461171.9503935 - 2461171.9503935 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
581534 2026-05-11 10:48:34 2461171.9503935 19.6091 0.132657 ABMag r-ZTF P48_ZTF-Cam
g-ZTF P48_ZTF-Cam 2026-05-11 11:22:21 - 2026-05-11 11:22:21 2461171.9738542 - 2461171.9738542 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
581535 2026-05-11 11:22:21 2461171.9738542 19.4949 0.132802 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
305078 2026-05-24 08:53:26 GOTO_bot D. O'Neill, G. Ramsay, K. Ackley et al. GOTO GOTO 21:30:13.317 +04:04:54.23 2026-05-18 04:01:31.872 19.93 L-GOTO Other GOTO26fdd GOTO N
304885 2026-05-22 15:27:26 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland (IfA, University of Hawaii) et al. ATLAS ATLAS 21:30:13.293 +04:04:54.10 2026-05-21 03:58:08.832 18.953 wide-ATLAS PSN ATLAS26gep ATLAS N
303258 2026-05-11 14:08:00 Fritz Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU) et al. ZTF ZTF 21:30:13.306 +04:04:54.44 2026-05-11 10:48:33.998 19.6091 r-ZTF PSN ZTF26aawdtys ZTF 2026TNSTR2049....1S N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
23820 2026-05-26 03:22:15 ZTF_Bot1 J. Sollerman, K. Hinds, C. Fremling, J. Castaneda Jaimes, T. du Laz, T. Culino, M. Kasliwal (Caltech), and M. Coughlin (UoM) on behalf of the ZTF LIONS collaboration ZTF SN IIb 0.0359 1 ZTF 2026TNSCR2297....1S
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
23824 2026-05-25 10:20:00 P60 / SEDM 2700 SEDmRobot ZTF tns_2026meq_2026-05-25_10-20-00.023041_P60_SEDM_ZTF.ascii Object

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