RA/DEC (2000)
01:29:02.486 +21:01:50.24
22.2603580886 +21.0306226419
Type
SN Ia
Redshift
0.07
Discovery ReportClassification Report
Reporting Group
ZTF
Discovering Data Source
ZTF
Discovery Date
2025-11-25 04:57:49.999
TNS AT
Y
Public
Y
Discovery Mag
20.4721
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_2025afef - 2025-12-06 02:38:46 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

 ▌WFST_WFST-WFC_g
 ▌LAST_LAST-Cam_Clear
 ▌PS2_GPC2_z
 ▌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
22518 2025-12-06 02:38:46 P60 / SEDM 2700 SEDmRobot auto ZTF tns_2025afef_2025-12-06_02-38-45.558420_P60_SEDM_ZTF.ascii Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
g-WFST WFST_WFST-WFC 2026-01-03 15:18:43 - 2026-01-03 15:18:43 2461044.138 - 2461044.138 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
568520 2026-01-03 15:18:43 2461044.138 19.57 0.07 ABMag g-WFST WFST_WFST-WFC 30
Clear- LAST_LAST-Cam 2025-11-19 17:14:31 - 2025-12-08 16:03:16 2460999.21842 - 2461018.16893 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
536858 2025-12-08 16:03:16 2461018.16893 18.34 ABMag Clear- LAST_LAST-Cam 400
536857 2025-11-19 17:14:31 2460999.21842 20.19 ABMag Clear- LAST_LAST-Cam 400 [Last non detection]
z-P1 PS2_GPC2 2025-11-29 04:48:06 - 2025-11-29 04:48:06 2461008.70007 - 2461008.70007 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
543766 2025-11-29 04:48:06 2461008.70007 19.43 0.08 20.4 ABMag z-P1 PS2_GPC2 120 Robot
L-GOTO GOTO-N_GOTO-1 2025-11-26 21:10:56 - 2025-11-28 20:11:21 2461006.382587 - 2461008.341218 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
534712 2025-11-28 20:11:21 2461008.341218 19.45 0.18 ABMag L-GOTO GOTO-N_GOTO-1 180
534711 2025-11-26 21:10:56 2461006.382587 19.9 ABMag L-GOTO GOTO-N_GOTO-1 180 [Last non detection]
r-ZTF P48_ZTF-Cam 2025-11-24 08:07:52 - 2025-11-24 08:07:52 2461003.8387963 - 2461003.8387963 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
534635 2025-11-24 08:07:52 2461003.8387963 20.2029 ABMag r-ZTF P48_ZTF-Cam [Last non detection]
g-ZTF P48_ZTF-Cam 2025-11-12 05:08:32 - 2025-11-29 05:38:04 2460991.7142593 - 2461008.7347685 4
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
534637 2025-11-29 05:38:04 2461008.7347685 19.0984 0.130034 ABMag g-ZTF P48_ZTF-Cam
534636 2025-11-25 04:57:50 2461004.7068287 20.4721 0.19161 ABMag g-ZTF P48_ZTF-Cam
536407 2025-11-25 04:57:50 2461004.7068287 20.4836 0.358565 20.2229 ABMag g-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF, classified by Fink
536406 2025-11-12 05:08:32 2460991.7142593 19.3196 ABMag g-ZTF P48_ZTF-Cam 30 Robot [Last non detection] Data provided by ZTF, classified by Fink
orange-ATLAS ATLAS-HKO_ATLAS-02 2025-11-30 08:33:14 - 2025-12-06 11:23:11 2461009.85641 - 2461015.97443 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
536429 2025-12-06 11:23:11 2461015.97443 17.95 0.131 18.3 ABMag orange-ATLAS ATLAS-HKO_ATLAS-02 30 Robot
536428 2025-11-30 08:33:14 2461009.85641 18.48 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
296573 2026-03-20 10:36:14 WFST_SN Zelin Xu, Dezheng Meng, Ji-an Jiang et al. WFST WFST 01:29:02.490 +21:01:50.09 2026-01-03 15:18:43.200 19.57 g-WFST PSN WFST260103aekjw WFST N
282756 2025-12-28 14:53:39 PS1_Bot1 K. C. Chambers, T. de Boer, J. Fairlamb et al. Pan-STARRS Pan-STARRS 01:29:02.486 +21:01:50.24 2025-11-29 04:48:06.048 19.43 z-P1 PSN PS25iwb Pan-STARRS N
279706 2025-12-08 16:31:34 LAST_Bot1 R. Konno (WIS), E. A. Zimmerman (WIS), A. Horowicz (WIS) et al. LAST LAST 01:29:02.491 +21:01:50.68 2025-12-08 16:03:15.552 18.34 Clear- PSN LAST N
279513 2025-12-07 00:22:47 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland (IfA, University of Hawaii) et al. ATLAS ATLAS 01:29:02.490 +21:01:50.01 2025-12-06 11:23:10.752 17.95 orange-ATLAS PSN ATLAS25pil ATLAS N
279502 2025-12-06 19:15:27 Fink Julien Peloton, Anais Moller, Emille E. O. Ishida on behalf of the Fink broker Fink ZTF 01:29:02.469 +21:01:50.18 2025-11-25 04:57:50.000 20.4836 g-ZTF PSN ZTF25acfhiob ZTF Early SN Ia candidate classified by Fink using the public ZTF stream. Object data at https://fink-portal.org/ZTF25acfhiob N
278673 2025-11-29 10:35:28 GOTO_bot D. O'Neill, K. Ackley, M. Dyer et al. GOTO GOTO 01:29:02.460 +21:01:50.03 2025-11-28 20:11:21.408 19.45 L-GOTO Other GOTO25kqt GOTO N
278637 2025-11-29 06:18:11 Fritz Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU) et al. ZTF ZTF 01:29:02.484 +21:01:50.10 2025-11-25 04:57:49.999 20.4721 g-ZTF PSN ZTF25acfhiob ZTF 2025TNSTR4761....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
22517 2025-12-06 07:19:16 ZTF_Bot1 J. Sollerman, S. Covarrubias, M. Chu, C. Fremling (Caltech) on behalf of the Zwicky Transient Facility (ZTF) ZTF SN Ia 0.07 1 ZTF 2025TNSCR4858....1S
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
22518 2025-12-06 02:38:46 P60 / SEDM 2700 SEDmRobot auto ZTF tns_2025afef_2025-12-06_02-38-45.558420_P60_SEDM_ZTF.ascii Object

Comments

TNS
System

Sun, 12/28/2025 - 14:53

Object coordinates updated

Object coordinates updated according to AT-report 282756 of Group Pan-STARRS
Previous RA, DEC: 01:29:02.469, +21:01:50.18 (22.260289288889, +21.030605688889)
Updated RA, DEC: 01:29:02.486, +21:01:50.24 (22.2603580886, +21.0306226419)

TNS
System

Sat, 12/06/2025 - 19:15

Object coordinates updated

Object coordinates updated according to AT-report 279502 of Group ZTF
Previous RA, DEC: 01:29:02.484, +21:01:50.10 (22.2603507, +21.0305835)
Updated RA, DEC: 01:29:02.469, +21:01:50.18 (22.260289288889, +21.030605688889)