RA/DEC (2000)
14:50:11.607 +24:19:29.88
222.54836187 +24.3249676978
Type
SN IIn
Redshift
0.033
Discovery ReportClassification Report
Related AstroNotes: 2026-188
Reporting Group
WFST
Discovering Data Source
WFST
Discovery Date
2026-03-19 19:26:24.000
TNS AT
Y
Public
Y
Discovery Mag
20.84
Filter
r-WFST
Reporter/s
Zelin Xu, Dezheng Meng, Ji-an Jiang, Weiyu Wu, Zhengyan Liu, Junhan Zhao, Ziqing Jia (USTC) on behalf of the WFST collaboration
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2026itn - 2026-06-08 03:30:23 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

 ▌WFST_WFST-WFC_r
 ▌GOTO-N_GOTO-2_L
 ▌PS2_GPC2_w
 ▌ATLAS-MLO_ATLAS-01_orange
 ▌ATLAS-HKO_ATLAS-02_cyan
   
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
23964 2026-06-08 03:30:23 ESO-NTT / EFOSC2-NTT 1600 E. Charleton, C.G. Touchard-Paxton, M. Ghendrih C. Dashwood-Brown ePESSTO+ tns_2026itn_2026-06-08_03-30-23_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2026itn_2026-06-08_03-30-23_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
r-WFST WFST_WFST-WFC 2026-03-19 19:26:24 - 2026-03-19 19:26:24 2461119.31 - 2461119.31 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
573277 2026-03-19 19:26:24 2461119.31 20.84 0.05 ABMag r-WFST WFST_WFST-WFC 30
L-GOTO GOTO-N_GOTO-2 2026-05-12 23:10:23 - 2026-05-16 00:27:21 2461173.465544 - 2461176.518991 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
583583 2026-05-16 00:27:21 2461176.518991 19.18 0.09 ABMag L-GOTO GOTO-N_GOTO-2 180
583582 2026-05-12 23:10:23 2461173.465544 20.1 ABMag L-GOTO GOTO-N_GOTO-2 180 [Last non detection]
w-P1 PS2_GPC2 2026-04-20 13:04:34 - 2026-04-20 13:04:34 2461151.04484 - 2461151.04484 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
577990 2026-04-20 13:04:34 2461151.04484 20.95 0.15 22 ABMag w-P1 PS2_GPC2 45 Robot
orange-ATLAS ATLAS-MLO_ATLAS-01 2026-05-14 08:56:11 - 2026-05-14 08:56:11 2461174.87235 - 2461174.87235 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
583762 2026-05-14 08:56:11 2461174.87235 18.43 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 30 Robot [Last non detection]
cyan-ATLAS ATLAS-HKO_ATLAS-02 2026-05-17 09:37:01 - 2026-05-17 09:37:01 2461177.90071 - 2461177.90071 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
583763 2026-05-17 09:37:01 2461177.90071 19.227 0.128 19.67 ABMag cyan-ATLAS ATLAS-HKO_ATLAS-02 30 Robot
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
304497 2026-05-19 06:02:00 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland (IfA, University of Hawaii) et al. ATLAS ATLAS 14:50:11.613 +24:19:29.94 2026-05-17 09:37:01.344 19.227 cyan-ATLAS PSN ATLAS26gbf ATLAS N
304301 2026-05-18 08:29:36 GOTO_bot D. O'Neill, K. Ackley, M. Dyer et al. GOTO GOTO 14:50:11.603 +24:19:30.04 2026-05-16 00:27:20.736 19.18 L-GOTO Other GOTO26evu GOTO This transient was discovered with the assistance of the GOTO Kilonova Seekers Citizen Scientists on Zooniverse. This candidate was flagged by volunteers: Antonio Pasqua, M.T. Mazzucato, Jacquelyn Higinbotham, Mayahuel Torres Guerrero, Svetoslav Alexandrov. The most likely subtype for this transient is supernova (100.0% consensus). N
301490 2026-04-25 19:18:45 PS1_Bot1 K. C. Chambers, T. de Boer, J. Fairlamb et al. Pan-STARRS Pan-STARRS 14:50:11.607 +24:19:29.88 2026-04-20 13:04:34.176 20.95 w-P1 PSN PS26bcz Pan-STARRS N
299090 2026-04-07 13:40:09 WFST_SN Zelin Xu, Dezheng Meng, Ji-an Jiang et al. WFST WFST 14:50:11.600 +24:19:29.76 2026-03-19 19:26:24.000 20.84 r-WFST PSN WFST260319bveen WFST 2026TNSTR1472....1X N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
23960 2026-06-08 16:56:38 ePESSTOplus_Bot1 E. Charleton, C.G. Touchard-Paxton, M. Ghendrih, C. Dashwood-Brown, O. Yaron on behalf of ePESSTO+ ePESSTO+ SN IIn 0.033 1 ePESSTO+
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
23964 2026-06-08 03:30:23 ESO-NTT / EFOSC2-NTT 1600 E. Charleton, C.G. Touchard-Paxton, M. Ghendrih C. Dashwood-Brown ePESSTO+ tns_2026itn_2026-06-08_03-30-23_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2026itn_2026-06-08_03-30-23_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object

Comments

TNS
System

Sat, 04/25/2026 - 19:18

Object coordinates updated

Object coordinates updated according to AT-report 301490 of Group Pan-STARRS
Previous RA, DEC: 14:50:11.600, +24:19:29.76 (222.548333, +24.324933)
Updated RA, DEC: 14:50:11.607, +24:19:29.88 (222.54836187, +24.3249676978)