RA/DEC (2000)
14:09:45.840 +09:53:48.83
212.440998421 +9.89689727351
Type
SN II
Redshift
0.024286
Discovery ReportClassification Report
Reporting Group
ZTF
Discovering Data Source
ZTF
Discovery Date
2025-12-06 13:26:38.999
TNS AT
Y
Public
Y
Discovery Mag
17.9033
Filter
r-ZTF
Reporter/s
Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU), Theophile du Laz (Caltech) on behalf of ZTF
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2025afyb - 2025-12-08 12:20:00 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

 ▌ATLAS-TDO_ATLAS-05_wide
 ▌GOTO-N_GOTO-2_L
 ▌PS2_GPC2_r
 ▌PS2_GPC2_w
 ▌GOTO-N_GOTO-1_L
 ▌BG3_BlackGEM-Cam3_BG-q
 ▌P48_ZTF-Cam_r
 ▌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
22534 2025-12-08 12:20:00 P60 / SEDM 2160 SEDmRobot auto ZTF tns_2025afyb_2025-12-08_12-19-59.962163_P60_SEDM_ZTF.ascii Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
wide-ATLAS ATLAS-TDO_ATLAS-05 2025-12-31 05:36:18 - 2025-12-31 05:36:18 2461040.73354 - 2461040.73354 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
547347 2025-12-31 05:36:18 2461040.73354 19.85 ABMag wide-ATLAS ATLAS-TDO_ATLAS-05 30 Robot [Last non detection]
L-GOTO GOTO-N_GOTO-2 2025-12-18 06:45:04 - 2025-12-18 06:45:04 2461027.781296 - 2461027.781296 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
540095 2025-12-18 06:45:04 2461027.781296 18.41 0.08 ABMag L-GOTO GOTO-N_GOTO-2 180
r-P1 PS2_GPC2 2026-01-28 15:46:11 - 2026-01-28 15:46:11 2461069.15707 - 2461069.15707 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
554747 2026-01-28 15:46:11 2461069.15707 19.24 0.05 20.6 ABMag r-P1 PS2_GPC2 27 Robot
w-P1 PS2_GPC2 2026-01-20 15:03:09 - 2026-01-20 15:03:09 2461061.12719 - 2461061.12719 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
552606 2026-01-20 15:03:09 2461061.12719 19.03 0.02 22 ABMag w-P1 PS2_GPC2 45 Robot
L-GOTO GOTO-N_GOTO-1 2025-07-26 21:47:02 - 2025-07-26 21:47:02 2460883.407659 - 2460883.407659 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
540094 2025-07-26 21:47:02 2460883.407659 19.3 ABMag L-GOTO GOTO-N_GOTO-1 360 [Last non detection]
BG-q-BlackGem BG3_BlackGEM-Cam3 2025-07-08 00:21:01 - 2026-03-17 08:15:23 2460864.5145949 - 2461116.8440162 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
585735 2026-03-17 08:15:23 2461116.8440162 20.39 0.16 20.6 ABMag BG-q-BlackGem BG3_BlackGEM-Cam3 60 robotic
585734 2025-07-08 00:21:01 2460864.5145949 19.25 ABMag BG-q-BlackGem BG3_BlackGEM-Cam3 60 robotic [Last non detection]
r-ZTF P48_ZTF-Cam 2025-12-06 13:26:39 - 2025-12-07 13:25:25 2461016.0601736 - 2461017.0593171 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
536530 2025-12-07 13:25:25 2461017.0593171 17.9075 0.0786174 ABMag r-ZTF P48_ZTF-Cam
536529 2025-12-06 13:26:39 2461016.0601736 17.9033 0.0727951 ABMag r-ZTF P48_ZTF-Cam
orange-ATLAS ATLAS-MLO_ATLAS-01 2026-01-02 14:30:03 - 2026-01-02 14:30:03 2461043.1042 - 2461043.1042 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
547348 2026-01-02 14:30:03 2461043.1042 18.414 0.164 18.71 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 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
305431 2026-05-27 13:56:03 BlackGEM_Bot1 H. Tranin, F. Stoppa, D. Pieterse et al. BlackGEM BlackGEM 14:09:45.847 +09:53:48.92 2026-03-17 08:15:23.000 20.39 BG-q-BlackGem PSN BGEM J140945.85+095348.9 BlackGEM N
289399 2026-01-30 12:00:49 YSE_Bot1 D. O. Jones (UC Santa Cruz), K. D. French (Carnegie, Illinois), A. Agnello et al. YSE Pan-STARRS 14:09:45.840 +09:53:48.83 2026-01-28 15:46:10.848 19.24 r-P1 PSN PS26jf Pan-STARRS N
288259 2026-01-21 14:31:52 PS1_Bot1 K. C. Chambers, T. de Boer, J. Fairlamb et al. Pan-STARRS Pan-STARRS 14:09:45.834 +09:53:48.81 2026-01-20 15:03:09.216 19.03 w-P1 PSN PS26jf Pan-STARRS N
285912 2026-01-07 15:16:38 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland (IfA, University of Hawaii) et al. ATLAS ATLAS 14:09:45.833 +09:53:49.01 2026-01-02 14:30:02.880 18.414 orange-ATLAS PSN ATLAS26abs ATLAS N
281153 2025-12-18 09:31:51 GOTO_bot G. Ramsay, D. O'Neill, K. Ackley et al. GOTO GOTO 14:09:45.848 +09:53:48.89 2025-12-18 06:45:04.320 18.41 L-GOTO Other GOTO25lum GOTO N
279559 2025-12-07 13:48:20 Fritz Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU) et al. ZTF ZTF 14:09:45.840 +09:53:48.83 2025-12-06 13:26:38.999 17.9033 r-ZTF PSN ZTF25acgcuie ZTF 2025TNSTR4865....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
22533 2025-12-08 13:04:39 ZTF_Bot1 J. Sollerman, S. Covarrubias, M. Chu, C. Fremling (Caltech) on behalf of the Zwicky Transient Facility (ZTF) ZTF SN II 0.024286 1 ZTF 2025TNSCR4889....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
22534 2025-12-08 12:20:00 P60 / SEDM 2160 SEDmRobot auto ZTF tns_2025afyb_2025-12-08_12-19-59.962163_P60_SEDM_ZTF.ascii Object

Comments

TNS
System

Fri, 01/30/2026 - 12:00

Object coordinates updated

Object coordinates updated according to AT-report 289399 of Group Pan-STARRS
Previous RA, DEC: 14:09:45.834, +09:53:48.81 (212.440974795, +9.8968903204)
Updated RA, DEC: 14:09:45.840, +09:53:48.83 (212.440998421, +9.89689727351)

TNS
System

Wed, 01/21/2026 - 14:31

Object coordinates updated

Object coordinates updated according to AT-report 288259 of Group Pan-STARRS
Previous RA, DEC: 14:09:45.840, +09:53:48.83 (212.4410003, +9.8968971)
Updated RA, DEC: 14:09:45.834, +09:53:48.81 (212.440974795, +9.8968903204)