RA/DEC (2000)
20:59:48.206 -01:52:23.82
314.950859282 -1.87328405562
Type
SN IIn
Redshift
0.019
Discovery ReportClassification Report
Reporting Group
ALeRCE
Discovering Data Source
ZTF
Discovery Date
2026-03-27 12:33:53.001
TNS AT
Y
Public
Y
Host Name
Z 374-36
Host Redshift
0.019443
Discovery Mag
17.8484
Filter
r-ZTF
Reporter/s
A. Munoz-Arancibia, F.E. Bauer, G. Pignata, F. Forster, A. Mourao, J. Correa-Orellana, H. Bommireddy, S. Jurado, L. Hernandez-Garcia, L. Galbany, J. Silva-Farfan, R. Dastidar, J.P. Brandt, A. Alvarez, F. Andrades, G. Cabrera-Vives, R. Carrasco-Davis, P.A. Estevez, P. Huijse, H. Larranaga, C. Mansilla, K. Medina, D. Moreno, E. Munoz, I. Reyes, P. Sanchez-Saez, D. Rodriguez-Mancini, M. Catelan, S. Eyheramendy, M.J. Graham on behalf of the ALeRCE broker
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2026hlk - 2026-04-22 00:00:00 VLT-UT1 / FORS2 (OxQUB)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

 ▌GOTO-S_GOTO-3_L
 ▌GOTO-N_GOTO-2_L
 ▌ATLAS-STH_ATLAS-03_orange
 ▌P48_ZTF-Cam_r
 ▌ATLAS-MLO_ATLAS-01_cyan
 ▌PS1_GPC1_i
 ▌PS1_GPC1_w
   
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
23545 2026-04-22 00:00:00 VLT-UT1 / FORS2 VLT Staff OxQUB tns_2026hlk_2026-04-22_VLT-UT1_FORS2_OxQUB.txt Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-S_GOTO-3 2026-04-26 18:19:44 - 2026-04-26 18:19:44 2461157.263702 - 2461157.263702 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
578413 2026-04-26 18:19:44 2461157.263702 17.41 0.02 ABMag L-GOTO GOTO-S_GOTO-3 180
L-GOTO GOTO-N_GOTO-2 2025-12-11 19:21:26 - 2025-12-11 19:21:26 2461021.306546 - 2461021.306546 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
578412 2025-12-11 19:21:26 2461021.306546 18.9 ABMag L-GOTO GOTO-N_GOTO-2 180 [Last non detection]
orange-ATLAS ATLAS-STH_ATLAS-03 2026-04-05 03:08:52 - 2026-04-05 03:08:52 2461135.63116 - 2461135.63116 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
572616 2026-04-05 03:08:52 2461135.63116 17.645 0.09 18.82 ABMag orange-ATLAS ATLAS-STH_ATLAS-03 30 Robot
r-ZTF P48_ZTF-Cam 2026-03-16 13:04:35 - 2026-03-27 12:33:53 2461116.0448495 - 2461127.0235301 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
570584 2026-03-27 12:33:53 2461127.0235301 17.8484 0.0482803 19.7899 ABMag r-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF
570583 2026-03-16 13:04:35 2461116.0448495 18.1985 ABMag r-ZTF P48_ZTF-Cam 30 Robot [Last non detection] Data provided by ZTF
cyan-ATLAS ATLAS-MLO_ATLAS-01 2025-12-13 06:09:42 - 2025-12-13 06:09:42 2461022.75674 - 2461022.75674 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
572615 2025-12-13 06:09:42 2461022.75674 18.98 ABMag cyan-ATLAS ATLAS-MLO_ATLAS-01 30 Robot [Last non detection]
i-P1 PS1_GPC1 2026-05-25 14:14:20 - 2026-05-25 14:14:20 2461186.09329 - 2461186.09329 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
585458 2026-05-25 14:14:20 2461186.09329 18.14 0.05 20.7 ABMag i-P1 PS1_GPC1 27 Robot
w-P1 PS1_GPC1 2026-05-24 14:00:42 - 2026-05-24 14:00:42 2461185.08382 - 2461185.08382 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
587757 2026-05-24 14:00:42 2461185.08382 18.32 0.03 22 ABMag w-P1 PS1_GPC1 45 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
306463 2026-05-28 14:33:51 PS1_Bot1 K. C. Chambers, T. de Boer, J. Fairlamb et al. Pan-STARRS Pan-STARRS 20:59:48.206 -01:52:23.82 2026-05-24 14:00:42.048 18.32 w-P1 PSN PS26bmd Pan-STARRS N
305287 2026-05-26 09:03:02 YSE_Bot1 D. O. Jones (UC Santa Cruz), K. D. French (Carnegie, Illinois), A. Agnello et al. YSE Pan-STARRS 20:59:48.208 -01:52:23.59 2026-05-25 14:14:20.256 18.14 i-P1 PSN PS26bmd Pan-STARRS N
301723 2026-04-27 20:33:18 GOTO_bot G. Ramsay, D. O'Neill, K. Ackley et al. GOTO GOTO 20:59:48.207 -01:52:23.82 2026-04-26 18:19:43.680 17.41 L-GOTO Other GOTO26dzz GOTO N
298735 2026-04-05 21:26:15 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland (IfA, University of Hawaii) et al. ATLAS ATLAS 20:59:48.212 -01:52:23.48 2026-04-05 03:08:52.224 17.645 orange-ATLAS PSN ATLAS26dsh ATLAS N
297574 2026-03-27 16:28:39 ALeRCE A. Munoz-Arancibia, F.E. Bauer, G. Pignata et al. ALeRCE ZTF 20:59:48.210 -01:52:23.75 2026-03-27 12:33:53.001 17.8484 r-ZTF PSN Z 374-36 ZTF26aaqkizf ZTF Early SN candidate (r-rise > 0.10+-0.00 mag/day) classified using ALeRCE's stamp classifier (Carrasco-Davis et al. 2021) and the public ZTF stream. Discovery image and light curve in http://alerce.online/object/ZTF26aaqkizf 2026TNSTR1312....1M N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
23542 2026-04-23 17:52:30 Charlotte Angus C. Angus OxQUB SN IIn 0.019 1 OxQUB 2026TNSCR1790....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
23545 2026-04-22 00:00:00 VLT-UT1 / FORS2 VLT Staff OxQUB tns_2026hlk_2026-04-22_VLT-UT1_FORS2_OxQUB.txt Object

Comments

TNS
System

Thu, 05/28/2026 - 14:33

Object coordinates updated

Object coordinates updated according to AT-report 306463 of Group Pan-STARRS
Previous RA, DEC: 20:59:48.208, -01:52:23.59 (314.950868139, -1.87321999775)
Updated RA, DEC: 20:59:48.206, -01:52:23.82 (314.950859282, -1.87328405562)

TNS
System

Tue, 05/26/2026 - 09:03

Object coordinates updated

Object coordinates updated according to AT-report 305287 of Group Pan-STARRS
Previous RA, DEC: 20:59:48.210, -01:52:23.75 (314.9508734, -1.8732638)
Updated RA, DEC: 20:59:48.208, -01:52:23.59 (314.950868139, -1.87321999775)