RA/DEC (2000)
13:45:25.925 +29:13:38.77
206.3580209 +29.2274365
Type
SLSN-II
Redshift
0.154
Discovery ReportClassification Report
Related AstroNotes: 2026-120
Reporting Group
ZTF
Discovering Data Source
ZTF
Discovery Date
2026-03-19 09:07:40.995
TNS AT
Y
Public
Y
Discovery Mag
20.5955
Filter
g-ZTF
Reporter/s
Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU), Theophile du Laz (Caltech) on behalf of ZTF
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2026hdx - 2026-05-03 03:40:29 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

 ▌ATLAS-TDO_ATLAS-05_wide
 ▌WFST_WFST-WFC_g
 ▌LAST_LAST-Cam_Clear
 ▌GOTO-N_GOTO-2_L
 ▌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
23608 2026-05-03 03:40:29 ESO-NTT / EFOSC2-NTT 1600 Jasvinder Khaulsay, Camila Cárdenas Aiswarya Sankar.K, Anirban Dutta, Amar Aryan, Ting-Wan Chen ePESSTO+ tns_2026hdx_2026-05-03_03-40-29_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2026hdx_2026-05-03_03-40-29_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
wide-ATLAS ATLAS-TDO_ATLAS-05 2026-04-07 01:49:05 - 2026-04-13 00:46:52 2461137.57575 - 2461143.53255 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
574872 2026-04-13 00:46:52 2461143.53255 18.664 0.069 19.7 ABMag wide-ATLAS ATLAS-TDO_ATLAS-05 30 Robot
574871 2026-04-07 01:49:05 2461137.57575 19.76 ABMag wide-ATLAS ATLAS-TDO_ATLAS-05 30 Robot [Last non detection]
g-WFST WFST_WFST-WFC 2026-03-15 18:30:14 - 2026-03-24 18:38:53 2461115.271 - 2461124.277 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
576368 2026-03-24 18:38:53 2461124.277 19.78 0.02 ABMag g-WFST WFST_WFST-WFC 30
576367 2026-03-15 18:30:14 2461115.271 19.25 ABMag g-WFST WFST_WFST-WFC 30 [Last non detection]
Clear- LAST_LAST-Cam 2024-03-04 00:43:54 - 2026-05-12 18:28:51 2460373.53049 - 2461173.27003 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
582059 2026-05-12 18:28:51 2461173.27003 18.3 ABMag Clear- LAST_LAST-Cam 380
582058 2024-03-04 00:43:54 2460373.53049 21.57 ABMag Clear- LAST_LAST-Cam 3940 [Last non detection]
L-GOTO GOTO-N_GOTO-2 2026-03-16 05:19:14 - 2026-03-27 03:42:16 2461115.721692 - 2461126.654351 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
574993 2026-03-27 03:42:16 2461126.654351 19.63 0.17 ABMag L-GOTO GOTO-N_GOTO-2 180
574992 2026-03-16 05:19:14 2461115.721692 19.9 ABMag L-GOTO GOTO-N_GOTO-2 180 [Last non detection]
g-ZTF P48_ZTF-Cam 2026-03-17 11:10:01 - 2026-03-25 08:23:26 2461116.9652894 - 2461124.8496065 3
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
569831 2026-03-25 08:23:26 2461124.8496065 19.6495 0.0522294 ABMag g-ZTF P48_ZTF-Cam
569830 2026-03-19 09:07:41 2461118.8803356 20.5955 0.175295 ABMag g-ZTF P48_ZTF-Cam
569829 2026-03-17 11:10:01 2461116.9652894 20.3782 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
303497 2026-05-13 04:15:56 LAST_Bot1 E. O. Ofek (WIS), R. Konno (WIS), E. A. Zimmerman (WIS) et al. LAST LAST 13:45:25.961 +29:13:39.54 2026-05-12 18:28:50.592 18.3 Clear- PSN LAST N
300686 2026-04-19 12:28:50 WFST_SN Zelin Xu, Dezheng Meng, Ji-an Jiang et al. WFST WFST 13:45:25.900 +29:13:38.77 2026-03-24 18:38:52.800 19.78 g-WFST PSN WFST260324exyor WFST N
299994 2026-04-13 12:32:39 GOTO_bot D. O'Neill, M. Pursiainen, K. Ackley et al. GOTO GOTO 13:45:25.886 +29:13:38.84 2026-03-27 03:42:15.840 19.63 L-GOTO PSN GOTO26dca GOTO N
299934 2026-04-13 06:46:56 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland (IfA, University of Hawaii) et al. ATLAS ATLAS 13:45:25.888 +29:13:39.13 2026-04-13 00:46:52.320 18.664 wide-ATLAS PSN ATLAS26ecz ATLAS N
297221 2026-03-25 09:16:09 Fritz Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU) et al. ZTF ZTF 13:45:25.925 +29:13:38.77 2026-03-19 09:07:40.995 20.5955 g-ZTF PSN ZTF26aaogioe ZTF 2026TNSTR1288....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
23605 2026-05-04 13:10:10 ePESSTOplus_Bot1 Jasvinder Khaulsay, Camila Cárdenas, Aiswarya Sankar.K, Anirban Dutta, Amar Aryan, Ting-Wan Chen, O. Yaron on behalf of ePESSTO+ ePESSTO+ SLSN-II 0.154 1 ePESSTO+ 2026TNSCR1936....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
23608 2026-05-03 03:40:29 ESO-NTT / EFOSC2-NTT 1600 Jasvinder Khaulsay, Camila Cárdenas Aiswarya Sankar.K, Anirban Dutta, Amar Aryan, Ting-Wan Chen ePESSTO+ tns_2026hdx_2026-05-03_03-40-29_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2026hdx_2026-05-03_03-40-29_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object

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