RA/DEC (2000)
13:40:13.068 +16:27:13.03
205.0544489 +16.4536201
Type
SN IIn
Redshift
0.13
Discovery ReportClassification Report
Reporting Group
ZTF
Discovering Data Source
ZTF
Discovery Date
2026-05-24 06:47:59.997
TNS AT
Y
Public
Y
Discovery Mag
20.3999
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_2026nxz - 2026-06-13 01:25:56 NOT / ALFOSC (GOTO)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
z-step:   v-step: 
   Binning factor: (rounded to nearest integer >1)
Mouse hovers at WL: 0 (rest),0 (observed)

Light curves

 ▌WFST_WFST-WFC_r
 ▌GOTO-N_GOTO-1_L
 ▌P48_ZTF-Cam_r
 ▌P48_ZTF-Cam_g
 ▌ATLAS-HKO_ATLAS-02_orange
   
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
24032 2026-06-13 01:25:56 NOT / ALFOSC M. Pursiainen, J. Mills, D. O'Neill GOTO tns_2026nxz_2461204.559679_NOT_ALFOSC_GOTO.dat Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
r-WFST WFST_WFST-WFC 2026-05-16 19:10:34 - 2026-05-25 18:48:58 2461177.299 - 2461186.284 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
591104 2026-05-25 18:48:58 2461186.284 20.1 0.06 ABMag r-WFST WFST_WFST-WFC 30
591103 2026-05-16 19:10:34 2461177.299 22.04 ABMag r-WFST WFST_WFST-WFC 30 [Last non detection]
L-GOTO GOTO-N_GOTO-1 2026-05-24 01:25:13 - 2026-05-25 01:18:59 2461184.559184 - 2461185.554854 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
588480 2026-05-25 01:18:59 2461185.554854 19.69 0.2 ABMag L-GOTO GOTO-N_GOTO-1 180
588479 2026-05-24 01:25:13 2461184.559184 19.9 ABMag L-GOTO GOTO-N_GOTO-1 180 [Last non detection]
r-ZTF P48_ZTF-Cam 2026-06-01 06:42:33 - 2026-06-01 06:42:33 2461192.7795486 - 2461192.7795486 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
588192 2026-06-01 06:42:33 2461192.7795486 19.2546 0.147889 ABMag r-ZTF P48_ZTF-Cam
g-ZTF P48_ZTF-Cam 2026-05-20 08:25:18 - 2026-05-24 06:48:00 2461180.8509028 - 2461184.7833333 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
588191 2026-05-24 06:48:00 2461184.7833333 20.3999 0.212465 ABMag g-ZTF P48_ZTF-Cam
588190 2026-05-20 08:25:18 2461180.8509028 20.1951 ABMag g-ZTF P48_ZTF-Cam [Last non detection]
orange-ATLAS ATLAS-HKO_ATLAS-02 2026-06-03 12:20:35 - 2026-06-04 08:18:39 2461195.01429 - 2461195.84628 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
588857 2026-06-04 08:18:39 2461195.84628 18.677 0.109 19.34 ABMag orange-ATLAS ATLAS-HKO_ATLAS-02 30 Robot
588856 2026-06-03 12:20:35 2461195.01429 18.33 ABMag orange-ATLAS ATLAS-HKO_ATLAS-02 30 Robot [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
308126 2026-06-11 13:46:01 WFST_SN Zelin Xu, Dezheng Meng, Ji-an Jiang et al. WFST WFST 13:40:13.050 +16:27:12.87 2026-05-25 18:48:57.600 20.1 r-WFST PSN WFST260525qwah WFST N
307011 2026-06-04 18:29:59 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland (IfA, University of Hawaii) et al. ATLAS ATLAS 13:40:13.081 +16:27:12.90 2026-06-04 08:18:38.592 18.677 orange-ATLAS PSN ATLAS26gra ATLAS N
306836 2026-06-02 16:16:19 GOTO_bot D. O'Neill, P. Charalampopoulos, K. Ackley et al. GOTO GOTO 13:40:13.076 +16:27:12.58 2026-05-25 01:18:59.040 19.69 L-GOTO Other GOTO26ffw GOTO This transient was discovered with the assistance of the GOTO Kilonova Seekers Citizen Scientists on Zooniverse. This candidate was flagged by volunteers: Mayahuel Torres Guerrero, Sauro Gaudenzi, Cledison Marcos da Silva, Virgilio Gonano, Antonio Pasqua. The most likely subtype for this transient is supernova (55.6% consensus). N
306693 2026-06-01 07:27:16 Fritz Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU) et al. ZTF ZTF 13:40:13.068 +16:27:13.03 2026-05-24 06:47:59.997 20.3999 g-ZTF PSN ZTF26aayyjxs ZTF N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
24026 2026-06-13 07:57:49 GOTO_bot M. Pursiainen, J. Mills, D. O'Neill, J. Lyman, T. Killestein, B. Godson, K. Ackley, M. Dyer, K. Ulaczyk, D. Steeghs, D. Galloway, V. Dhillon, P. O'Brien, G. Ramsay, K. Noysena, R. Kotak, R. Breton, J. Casares, L. Nuttall, R. Starling, B. Gompertz, on behalf of GOTO collaboration GOTO SN IIn 0.13 1 GOTO Redshift from template matching. Currently 18.4 mag, implying -20.5 absolute magnitude. Source has shown a 3 week rise and appears to be approaching peak. 2026TNSCR2501....1P
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
24032 2026-06-13 01:25:56 NOT / ALFOSC M. Pursiainen, J. Mills, D. O'Neill GOTO tns_2026nxz_2461204.559679_NOT_ALFOSC_GOTO.dat Object

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