RA/DEC (2000)
00:02:35.199 -03:42:37.35
0.6466626 -3.7103756
Type
SN II
Redshift
0.021558
Reporting Group
GOTO
Discovering Data Source
GOTO
Discovery Date
2025-12-02 21:15:51.264
TNS AT
Y
Public
Y
Discovery Mag
18.07
Filter
L-GOTO
Reporter/s
D. O'Neill, K. Ackley, M. Dyer, J. Lyman, K. Ulaczyk, D. Steeghs, D. Galloway, V. Dhillon, P. O'Brien, G. Ramsay, 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

Spectra

 SN_2025afts - 2025-12-07 01:53:06 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
z-step:   v-step: 
   Binning factor: (rounded to nearest integer >1)
Mouse hovers at WL: 0 (rest),0 (observed)

Light curves

 GOTO-S_GOTO-4_L
 ATLAS-STH_ATLAS-03_orange
 GOTO-N_GOTO-1_L
 P48_ZTF-Cam_r
 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
22536 2025-12-07 01:53:06 P60 / SEDM 2160 SEDmRobot ZTF tns_2025afts_2025-12-07_01-53-06.314739_P60_SEDM_ZTF.ascii Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-S_GOTO-4 2025-11-12 11:35:27 - 2025-11-12 11:35:27 2460991.982948 - 2460991.982948 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
535891 2025-11-12 11:35:27 2460991.982948 20.5 ABMag L-GOTO GOTO-S_GOTO-4 360 [Last non detection]
orange-ATLAS ATLAS-STH_ATLAS-03 2025-12-05 20:49:30 - 2025-12-08 19:05:10 2461015.36771 - 2461018.29525 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
536882 2025-12-08 19:05:10 2461018.29525 17.282 0.044 19.28 ABMag orange-ATLAS ATLAS-STH_ATLAS-03 30 Robot
536881 2025-12-05 20:49:30 2461015.36771 17.52 ABMag orange-ATLAS ATLAS-STH_ATLAS-03 30 Robot [Last non detection]
L-GOTO GOTO-N_GOTO-1 2025-12-02 21:15:51 - 2025-12-02 21:15:51 2461012.386013 - 2461012.386013 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
535892 2025-12-02 21:15:51 2461012.386013 18.07 0.06 ABMag L-GOTO GOTO-N_GOTO-1 180
r-ZTF P48_ZTF-Cam 2025-12-06 03:36:33 - 2025-12-06 03:36:33 2461015.6503819 - 2461015.6503819 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
536260 2025-12-06 03:36:33 2461015.6503819 17.3833 0.043109 ABMag r-ZTF P48_ZTF-Cam
g-ZTF P48_ZTF-Cam 2025-12-06 02:05:52 - 2025-12-06 02:05:52 2461015.5874074 - 2461015.5874074 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
536259 2025-12-06 02:05:52 2461015.5874074 17.3122 0.0473887 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
279718 2025-12-08 20:55:57 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland (IfA, University of Hawaii) et al. ATLAS ATLAS 00:02:35.207 -03:42:37.16 2025-12-08 19:05:09.600 17.282 orange-ATLAS PSN ATLAS25pjd ATLAS N
279443 2025-12-06 07:01:13 Fritz Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU) et al. ZTF ZTF 00:02:35.199 -03:42:37.35 2025-12-06 02:05:51.999 17.3122 g-ZTF PSN ZTF25acfxvcu ZTF N
279290 2025-12-03 19:09:17 GOTO_bot D. O'Neill, K. Ackley, M. Dyer et al. GOTO GOTO 00:02:35.208 -03:42:37.17 2025-12-02 21:15:51.264 18.07 L-GOTO Other GOTO25kzv GOTO 2025TNSTR4822....1O N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
22535 2025-12-08 20:51:22 ZTF_Bot1 J. Sollerman, K. Das, J. Castaneda Jaimes, M. Kasliwal (Caltech) on behalf of the ZTF CATS150 collaboration ZTF SN II 0.021558 1 ZTF 2025TNSCR4888....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
22536 2025-12-07 01:53:06 P60 / SEDM 2160 SEDmRobot ZTF tns_2025afts_2025-12-07_01-53-06.314739_P60_SEDM_ZTF.ascii Object

Comments

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 279443 of Group ZTF
Previous RA, DEC: 00:02:35.208, -03:42:37.17 (0.646699, -3.710324)
Updated RA, DEC: 00:02:35.199, -03:42:37.35 (0.6466626, -3.7103756)