RA/DEC (2000)
23:42:10.715 -64:51:17.16
355.544647 -64.854767
Type
SN Ia
Redshift
0.069
Related AstroNotes: 2025-252
Reporting Group
GOTO
Discovering Data Source
GOTO
Discovery Date
2025-08-05 13:27:13.248
TNS AT
Y
Public
Y
Discovery Mag
18.39
Filter
L-GOTO
Reporter/s
A. Kumar, 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, D. O'Neill, M. Pursiainen, on behalf of GOTO collaboration

Spectra

 SN_2025tgv - 2025-08-11 07:20:48 ESO-NTT / EFOSC2-NTT (ePESSTO+)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-4_L
 GOTO-S_GOTO-3_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
21758 2025-08-11 07:20:48 ESO-NTT / EFOSC2-NTT 900 Joyce Naomi Dominique van Dalen, Daniele Bjørn Malesani Antonio Martin-Carrillo, Gregory Corcoran, Laura Cotter ePESSTO+ tns_2025tgv_2025-08-11_07-20-48_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2025tgv_2025-08-11_07-20-48_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-S_GOTO-4 2025-07-16 16:10:40 - 2025-07-16 16:10:40 2460873.174072 - 2460873.174072 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
507543 2025-07-16 16:10:40 2460873.174072 19.7 ABMag L-GOTO GOTO-S_GOTO-4 180 [Last non detection]
L-GOTO GOTO-S_GOTO-3 2025-08-05 13:27:13 - 2025-08-05 13:27:13 2460893.060573 - 2460893.060573 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
507544 2025-08-05 13:27:13 2460893.060573 18.39 0.07 ABMag L-GOTO GOTO-S_GOTO-3 360
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
265087 2025-08-05 15:08:01 GOTO_bot A. Kumar,K. Ackley,M. Dyer et al. GOTO GOTO 23:42:10.715 -64:51:17.16 2025-08-05 13:27:13.248 18.39 L-GOTO Other GOTO25fqp GOTO 2025TNSTR3080....1K N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
21758 2025-08-11 16:13:54 ePESSTOplus_Bot1 Joyce Naomi Dominique van Dalen, Daniele Bjørn Malesani, Antonio Martin-Carrillo, Gregory Corcoran, Laura Cotter, A. Horowicz on behalf of ePESSTO+ ePESSTO+ SN Ia 0.069 1 ePESSTO+ 2025TNSCR3147....1v
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
21758 2025-08-11 07:20:48 ESO-NTT / EFOSC2-NTT 900 Joyce Naomi Dominique van Dalen, Daniele Bjørn Malesani Antonio Martin-Carrillo, Gregory Corcoran, Laura Cotter ePESSTO+ tns_2025tgv_2025-08-11_07-20-48_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2025tgv_2025-08-11_07-20-48_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object

Comments