RA/DEC (2000)
13:20:14.716 -03:59:38.38
200.061316733 -3.99399402443
Type
SN II
Redshift
0.035374
Discovery ReportClassification Report
Reporting Group
ZTF
Discovering Data Source
ZTF
Discovery Date
2026-03-24 09:26:01.999
TNS AT
Y
Public
Y
Discovery Mag
21.0018
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_2026hdq - 2026-04-25 03:53:44 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

 ▌LAST_LAST-Cam_Clear
 ▌GOTO-S_GOTO-3_L
 ▌PS2_GPC2_w
 ▌ATLAS-CHL_ATLAS-04_cyan
 ▌P48_ZTF-Cam_i
 ▌P48_ZTF-Cam_g
 ▌ATLAS-MLO_ATLAS-01_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
23579 2026-04-25 03:53:44 P60 / SEDM 2700 SEDmRobot ZTF tns_2026hdq_2026-04-25_03-53-44.181278_P60_SEDM_ZTF.ascii Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
Clear- LAST_LAST-Cam 2024-03-04 00:49:34 - 2026-05-07 17:58:58 2460373.53442 - 2461168.24928 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
580164 2026-05-07 17:58:58 2461168.24928 19.03 ABMag Clear- LAST_LAST-Cam 380
580163 2024-03-04 00:49:34 2460373.53442 21.37 ABMag Clear- LAST_LAST-Cam 6720 [Last non detection]
L-GOTO GOTO-S_GOTO-3 2026-03-20 13:35:05 - 2026-03-25 13:20:37 2461120.06603 - 2461125.055983 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
570277 2026-03-25 13:20:37 2461125.055983 19.96 0.14 ABMag L-GOTO GOTO-S_GOTO-3 180
570276 2026-03-20 13:35:05 2461120.06603 20.3 ABMag L-GOTO GOTO-S_GOTO-3 180 [Last non detection]
w-P1 PS2_GPC2 2026-04-22 09:35:07 - 2026-04-22 09:35:07 2461152.89939 - 2461152.89939 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
590490 2026-04-22 09:35:07 2461152.89939 18.44 0.02 22 ABMag w-P1 PS2_GPC2 45 Robot
cyan-ATLAS ATLAS-CHL_ATLAS-04 2026-03-26 05:02:08 - 2026-03-26 05:02:08 2461125.70981 - 2461125.70981 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
570243 2026-03-26 05:02:08 2461125.70981 19.383 0.175 19.71 ABMag cyan-ATLAS ATLAS-CHL_ATLAS-04 30 Robot
i-ZTF P48_ZTF-Cam 2026-03-24 08:17:11 - 2026-03-24 08:17:11 2461123.8452662 - 2461123.8452662 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
569805 2026-03-24 08:17:11 2461123.8452662 20.3965 ABMag i-ZTF P48_ZTF-Cam [Last non detection]
g-ZTF P48_ZTF-Cam 2026-03-22 08:37:31 - 2026-03-25 07:23:02 2461121.8593866 - 2461124.807662 4
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
569807 2026-03-25 07:23:02 2461124.807662 19.8131 0.151257 ABMag g-ZTF P48_ZTF-Cam
569806 2026-03-24 09:26:02 2461123.8930787 21.0018 0.184659 ABMag g-ZTF P48_ZTF-Cam
571319 2026-03-24 09:26:02 2461123.8930787 20.8456 0.309004 20.6176 ABMag g-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF, classified by Fink
571318 2026-03-22 08:37:31 2461121.8593866 19.1511 ABMag g-ZTF P48_ZTF-Cam 30 Robot [Last non detection] Data provided by ZTF, classified by Fink
orange-ATLAS ATLAS-MLO_ATLAS-01 2026-03-25 13:43:14 - 2026-03-25 13:43:14 2461125.07169 - 2461125.07169 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
570242 2026-03-25 13:43:14 2461125.07169 18.85 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 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
307818 2026-06-09 10:28:02 PS1_Bot1 K. C. Chambers, T. de Boer, J. Fairlamb et al. Pan-STARRS Pan-STARRS 13:20:14.716 -03:59:38.38 2026-04-22 09:35:07.296 18.44 w-P1 PSN PS26bvj Pan-STARRS N
302604 2026-05-07 18:29:12 LAST_Bot1 R. Konno (WIS), E. A. Zimmerman (WIS), A. Horowicz (WIS) et al. LAST LAST 13:20:14.722 -03:59:38.56 2026-05-07 17:58:57.792 19.03 Clear- PSN LAST N
297970 2026-03-30 18:46:44 Fink Julien Peloton, Anais Moller, Emille E. O. Ishida on behalf of the Fink broker Fink ZTF 13:20:14.728 -03:59:38.35 2026-03-24 09:26:02.000 20.8456 g-ZTF PSN ZTF26aapoypz ZTF Early SN Ia candidate classified by Fink using the public ZTF stream. Object data at https://fink-portal.org/ZTF26aapoypz N
297444 2026-03-26 14:36:34 GOTO_bot M. Kennedy, K. Ackley, M. Dyer et al. GOTO GOTO 13:20:14.724 -03:59:38.06 2026-03-25 13:20:36.672 19.96 L-GOTO Other GOTO26cls GOTO N
297427 2026-03-26 12:48:45 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland (IfA, University of Hawaii) et al. ATLAS ATLAS 13:20:14.726 -03:59:38.57 2026-03-26 05:02:07.584 19.383 cyan-ATLAS PSN ATLAS26dht ATLAS N
297213 2026-03-25 08:23:45 Fritz Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU) et al. ZTF ZTF 13:20:14.719 -03:59:38.03 2026-03-24 09:26:01.999 21.0018 g-ZTF PSN ZTF26aapoypz 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
23576 2026-04-28 22:33:00 ZTF_Bot1 C. Fremling, K. Hinds, J. Castaneda Jaimes, T. du Laz, T. Culino, M. Kasliwal (Caltech), and M. Coughlin (UoM) on behalf of the ZTF LIONS collaboration ZTF SN II 0.035374 1 ZTF 2026TNSCR1865....1F
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
23579 2026-04-25 03:53:44 P60 / SEDM 2700 SEDmRobot ZTF tns_2026hdq_2026-04-25_03-53-44.181278_P60_SEDM_ZTF.ascii Object

Comments

TNS
System

Tue, 06/09/2026 - 10:28

Object coordinates updated

Object coordinates updated according to AT-report 307818 of Group Pan-STARRS
Previous RA, DEC: 13:20:14.728, -03:59:38.35 (200.06136498667, -3.9939865266667)
Updated RA, DEC: 13:20:14.716, -03:59:38.38 (200.061316733, -3.99399402443)

TNS
System

Mon, 03/30/2026 - 18:46

Object coordinates updated

Object coordinates updated according to AT-report 297970 of Group ZTF
Previous RA, DEC: 13:20:14.719, -03:59:38.03 (200.0613288, -3.993897)
Updated RA, DEC: 13:20:14.728, -03:59:38.35 (200.06136498667, -3.9939865266667)