RA/DEC (2000)
04:49:28.249 +06:59:37.35
72.367704 +6.993709
Type
SN Ia
Redshift
0.03
Discovery ReportClassification Report
Related AstroNotes: 2025-277
Reporting Group
GOTO
Discovering Data Source
GOTO
Discovery Date
2025-08-24 05:44:38.112
TNS AT
Y
Public
Y
Discovery Mag
16.84
Filter
L-GOTO
Reporter/s
B. Godson, G. Ramsay, 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, T. Killestein, A. Kumar, D. O'Neill, M. Pursiainen, on behalf of GOTO collaboration
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2025wld - 2025-09-01 05:45:47 NOT / ALFOSC (GOTO)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-N_GOTO-2_L
 ▌GOTO-N_GOTO-1_L
   
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
21940 2025-09-01 05:45:47 NOT / ALFOSC I. Worssam, M. Pursiainen I. Worssam, M. Pursiainen GOTO tns_2025wld_2025-09-01_05-45-47.153_NOT_ALFOSC_GOTO.dat Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-N_GOTO-2 2025-08-11 04:45:22 - 2025-08-11 04:45:22 2460898.698166 - 2460898.698166 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
514468 2025-08-11 04:45:22 2460898.698166 17.1 ABMag L-GOTO GOTO-N_GOTO-2 180 [Last non detection]
L-GOTO GOTO-N_GOTO-1 2025-08-24 05:44:38 - 2025-08-24 05:44:38 2460911.739326 - 2460911.739326 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
514469 2025-08-24 05:44:38 2460911.739326 16.84 0.02 ABMag L-GOTO GOTO-N_GOTO-1 180
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
268730 2025-08-31 08:29:17 GOTO_bot B. Godson,G. Ramsay,K. Ackley et al. GOTO GOTO 04:49:28.249 +06:59:37.35 2025-08-24 05:44:38.112 16.84 L-GOTO Other GOTO25got GOTO 2025TNSTR3472....1G N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
21940 2025-09-01 09:24:29 David O'Neill M. Pursiainen, I. Worssam, T. Killestein, J. Lyman, D. O'Neill, K. Ackley, M. Dyer, 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, A. Kumar on behalf of GOTO collaboration GOTO SN Ia 0.03 1 GOTO Classified using template matching with SNID-SAGE. Consistent with a Type Ia 1-2 weeks post peak. Redshift from template. 2025TNSCR3505....1P
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
21940 2025-09-01 05:45:47 NOT / ALFOSC I. Worssam, M. Pursiainen I. Worssam, M. Pursiainen GOTO tns_2025wld_2025-09-01_05-45-47.153_NOT_ALFOSC_GOTO.dat Object

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