RA/DEC (2000)
07:57:06.055 -04:56:26.37
119.275229425 -4.94065765236
Type
SN Ia
Redshift
0.052193
Discovery ReportClassification Report
Reporting Group
GOTO
Discovering Data Source
GOTO
Discovery Date
2025-12-06 02:10:20.064
TNS AT
Y
Public
Y
Discovery Mag
18.61
Filter
L-GOTO
Reporter/s
G. Ramsay, D. O'Neill, K. Ackley, M. Dyer, J. Lyman, K. Ulaczyk, D. Steeghs, D. Galloway, V. Dhillon, P. O'Brien, K. Noysena, R. Kotak, R. Breton, J. Casares, L. Nuttall, R. Starling, B. Gompertz, B. Godson, T. Killestein, A. Kumar, M. Pursiainen, on behalf of GOTO collaboration
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2025afxm - 2025-12-11 10:32:57 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

 ▌GOTO-S_GOTO-3_L
 ▌PS2_GPC2_w
 ▌ATLAS-CHL_ATLAS-04_orange
 ▌ATLAS-STH_ATLAS-03_orange
 ▌GOTO-N_GOTO-1_L
 ▌P48_ZTF-Cam_g
   
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
22561 2025-12-11 10:32:57 P60 / SEDM 2700 SEDmRobot auto ZTF tns_2025afxm_2025-12-11_10-32-56.753158_P60_SEDM_ZTF.ascii Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-S_GOTO-3 2025-12-04 14:43:58 - 2025-12-04 14:43:58 2461014.113856 - 2461014.113856 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
536466 2025-12-04 14:43:58 2461014.113856 19.4 ABMag L-GOTO GOTO-S_GOTO-3 180 [Last non detection]
w-P1 PS2_GPC2 2025-12-11 11:52:05 - 2025-12-11 11:52:05 2461020.9945 - 2461020.9945 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
545576 2025-12-11 11:52:05 2461020.9945 18 0.02 22 ABMag w-P1 PS2_GPC2 45 Robot
orange-ATLAS ATLAS-CHL_ATLAS-04 2025-12-08 05:10:09 - 2025-12-08 05:10:09 2461017.71538 - 2461017.71538 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
536862 2025-12-08 05:10:09 2461017.71538 18.119 0.192 18.19 ABMag orange-ATLAS ATLAS-CHL_ATLAS-04 30 Robot
orange-ATLAS ATLAS-STH_ATLAS-03 2025-12-05 23:54:19 - 2025-12-05 23:54:19 2461015.49605 - 2461015.49605 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
536861 2025-12-05 23:54:19 2461015.49605 16.27 ABMag orange-ATLAS ATLAS-STH_ATLAS-03 30 Robot [Last non detection]
L-GOTO GOTO-N_GOTO-1 2025-12-06 02:10:20 - 2025-12-06 02:10:20 2461015.590514 - 2461015.590514 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
536467 2025-12-06 02:10:20 2461015.590514 18.61 0.2 ABMag L-GOTO GOTO-N_GOTO-1 180
g-ZTF P48_ZTF-Cam 2025-12-07 10:32:54 - 2025-12-11 09:14:32 2461016.9395139 - 2461020.8850926 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
537477 2025-12-11 09:14:32 2461020.8850926 18.0225 0.0668089 ABMag g-ZTF P48_ZTF-Cam
537476 2025-12-07 10:32:54 2461016.9395139 18.5088 0.116184 ABMag g-ZTF P48_ZTF-Cam
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
284331 2025-12-30 21:34:10 PS1_Bot1 K. C. Chambers, T. de Boer, J. Fairlamb et al. Pan-STARRS Pan-STARRS 07:57:06.055 -04:56:26.37 2025-12-11 11:52:04.800 18 w-P1 PSN PS25kwb Pan-STARRS N
279998 2025-12-11 09:27:27 BTSbot_bot Nabeel Rehemtulla (CIERA, NU), Wynn Jacobson-Galán (Caltech), Theophile du Laz (Caltech) on behalf of ZTF ZTF ZTF 07:57:06.070 -04:56:26.36 2025-12-07 10:32:54.000 18.5088 g-ZTF PSN ZTF25acgfdia ZTF Bright (m_peak <= 18.5) transient candidate identified autonomously by BTSbot (Rehemtulla et al. 2024; arXiv:2401.15167). N
279708 2025-12-08 16:39:58 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland (IfA, University of Hawaii) et al. ATLAS ATLAS 07:57:06.013 -04:56:26.77 2025-12-08 05:10:08.832 18.119 orange-ATLAS PSN ATLAS25pjc ATLAS N
279529 2025-12-07 10:59:25 GOTO_bot G. Ramsay, D. O'Neill, K. Ackley et al. GOTO GOTO 07:57:06.069 -04:56:25.89 2025-12-06 02:10:20.064 18.61 L-GOTO Other GOTO25lcs GOTO 2025TNSTR4862....1R N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
22560 2025-12-11 11:33:58 ZTF_Bot1 J. Sollerman, S. Covarrubias, M. Chu, C. Fremling (Caltech) on behalf of the Zwicky Transient Facility (ZTF) ZTF SN Ia 0.052193 1 ZTF 2025TNSCR4933....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
22561 2025-12-11 10:32:57 P60 / SEDM 2700 SEDmRobot auto ZTF tns_2025afxm_2025-12-11_10-32-56.753158_P60_SEDM_ZTF.ascii Object

Comments

TNS
System

Tue, 12/30/2025 - 21:34

Object coordinates updated

Object coordinates updated according to AT-report 284331 of Group Pan-STARRS
Previous RA, DEC: 07:57:06.070, -04:56:26.36 (119.2752915, -4.9406554)
Updated RA, DEC: 07:57:06.055, -04:56:26.37 (119.275229425, -4.94065765236)

TNS
System

Thu, 12/11/2025 - 09:27

Object coordinates updated

Object coordinates updated according to AT-report 279998 of Group ZTF
Previous RA, DEC: 07:57:06.013, -04:56:26.77 (119.275056, -4.94077)
Updated RA, DEC: 07:57:06.070, -04:56:26.36 (119.2752915, -4.9406554)

TNS
System

Mon, 12/08/2025 - 16:39

Object coordinates updated

Object coordinates updated according to AT-report 279708 of Group ATLAS
Previous RA, DEC: 07:57:06.069, -04:56:25.89 (119.275286, -4.940525)
Updated RA, DEC: 07:57:06.013, -04:56:26.77 (119.275056, -4.94077)