RA/DEC (2000)
20:25:59.613 -54:23:06.39
306.498389444 -54.3851094444
Type
SN II
Redshift
0.02
Reporting Group
GOTO
Discovering Data Source
GOTO
Discovery Date
2025-06-28 11:48:52.992
TNS AT
Y
Public
Y
Discovery Mag
17.49
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, B. Godson, T. Killestein, A. Kumar, M. Pursiainen, on behalf of GOTO collaboration

Spectra

 SN_2025pfc - 2025-07-10 14:24:00 ANU-2.3m / WiFeS (None)z=
Show H at z=vexp= km/s
Show He at z=vexp= km/s
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Show N II at z=vexp= km/s
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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
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Show Tellurics 
Show Galaxy lines at z=
Show WR-WN at z=vexp= km/s
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   Binning factor: (rounded to nearest integer >1)
Mouse hovers at WL: 0 (rest),0 (observed)

Light curves

 GOTO-S_GOTO-4_L
 ATLAS-CHL_ATLAS-04_orange
 Other_Other_Other
   
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
21506 2025-07-10 14:24:00 ANU-2.3m / WiFeS 750 Robotic C. Lidman None tns_2025pfc_2025-07-10.6_ANU-2.3m_WiFeS_None.dat tns_2025pfc_2025-07-10.6_ANU-2.3m_WiFeS_None.fits Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-S_GOTO-4 2025-06-20 14:31:15 - 2025-06-28 11:48:53 2460847.105035 - 2460854.99228 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
499047 2025-06-28 11:48:53 2460854.99228 17.49 0.03 ABMag L-GOTO GOTO-S_GOTO-4 180
499046 2025-06-20 14:31:15 2460847.105035 20.1 ABMag L-GOTO GOTO-S_GOTO-4 180 [Last non detection]
orange-ATLAS ATLAS-CHL_ATLAS-04 2025-06-24 04:18:05 - 2025-06-28 03:34:28 2460850.67922 - 2460854.64894 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
499060 2025-06-28 03:34:28 2460854.64894 17.657 0.062 19.17 ABMag orange-ATLAS ATLAS-CHL_ATLAS-04 30 Robot
499059 2025-06-24 04:18:05 2460850.67922 19.14 ABMag orange-ATLAS ATLAS-CHL_ATLAS-04 30 Robot [Last non detection]
Other- Other_Other 2025-05-29 08:19:09 - 2025-09-12 00:34:10 2460824.84663 - 2460930.52373 6
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
518062 2025-09-12 00:34:10 2460930.52373 18 20 VegaMag Other- Other_Other 60 Robot MASTER-OAFA
518061 2025-09-11 23:48:05 2460930.49173 18.1 20 VegaMag Other- Other_Other 60 Robot MASTER-OAFA
501105 2025-07-05 05:52:26 2460861.74475 16.7 18.6 VegaMag Other- Other_Other 60 Robot MASTER-OAFA
501104 2025-07-05 04:00:56 2460861.66731 16.6 18.8 VegaMag Other- Other_Other 60 Robot MASTER-OAFA
501103 2025-05-29 08:19:09 2460824.84663 20.2 VegaMag Other- Other_Other 60 Robot [Last non detection] MASTER-OAFA
518060 2025-05-29 08:19:09 2460824.84663 20.2 VegaMag Other- Other_Other 60 Robot [Last non detection] MASTER-OAFA
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
270454 2025-09-17 13:32:38 MASTER M.Shilova, V.Lipunov, E.Gorbovskoy et al. MASTER MASTER 20:25:59.580 -54:23:07.00 2025-09-11 23:48:05.472 18.1 Other- PSN MASTER OT J202559.58-542307.0 MASTER N
261684 2025-07-05 21:09:53 MASTER Ya.Kechin, V.Lipunov, E.Gorbovskoy et al. MASTER MASTER 20:25:59.680 -54:23:05.80 2025-07-05 04:00:55.584 16.6 Other- PSN MASTER OT J202559.68-542305.8 MASTER N
260417 2025-06-28 14:55:48 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland et al. ATLAS ATLAS 20:25:59.613 -54:23:06.39 2025-06-28 03:34:28.416 17.657 orange-ATLAS PSN ATLAS25gol ATLAS N
260411 2025-06-28 12:16:11 GOTO_bot D. O'Neill, K. Ackley, M. Dyer et al. GOTO GOTO 20:25:59.608 -54:23:06.54 2025-06-28 11:48:52.992 17.49 L-GOTO Other GOTO25ekz GOTO 2025TNSTR2449....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
21506 2025-07-11 00:49:47 Chris Lidman C. Lidman (ANU), K. Auchettl (University of Melbourne/UCSC), D. Cao (ANU), B. Martin (ANU), L. Rauf (ANU), B. P. Schmidt (ANU), and B. E. Tucker (ANU) None SN II 0.02 1 Classification from Superfit 2025TNSCR2655....1L
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
21506 2025-07-10 14:24:00 ANU-2.3m / WiFeS 750 Robotic C. Lidman None tns_2025pfc_2025-07-10.6_ANU-2.3m_WiFeS_None.dat tns_2025pfc_2025-07-10.6_ANU-2.3m_WiFeS_None.fits Object

Comments

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 260417 of Group ATLAS
Previous RA, DEC: 20:25:59.608, -54:23:06.54 (306.498365, -54.385151)
Updated RA, DEC: 20:25:59.613, -54:23:06.39 (306.498389444, -54.3851094444)