RA/DEC (2000)
05:38:09.402 -67:51:26.96
84.539174 -67.857489
Type
SN Ia
Redshift
0.02285
Reporting Group
GOTO
Discovering Data Source
GOTO
Discovery Date
2025-11-16 16:54:50.400
TNS AT
Y
Public
Y
Discovery Mag
18.76
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_2025adtw - 2025-11-18 16:48:00 ANU-2.3m / WiFeS (None)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
 ATLAS-CHL_ATLAS-04_cyan
   
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
22433 2025-11-18 16:48:00 ANU-2.3m / WiFeS 1800 Robotic C. Lidman None tns_2025adtw_2025-11-18.7_ANU-2.3m_WiFeS_None.dat tns_2025adtw_2025-11-18.7_ANU-2.3m_WiFeS_None.fits Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-S_GOTO-4 2025-11-12 14:35:54 - 2025-11-16 16:54:50 2460992.108256 - 2460996.204747 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
531529 2025-11-16 16:54:50 2460996.204747 18.76 0.15 ABMag L-GOTO GOTO-S_GOTO-4 80
531528 2025-11-12 14:35:54 2460992.108256 19.1 ABMag L-GOTO GOTO-S_GOTO-4 80 [Last non detection]
cyan-ATLAS ATLAS-CHL_ATLAS-04 2025-11-15 05:43:50 - 2025-11-16 05:23:38 2460994.73877 - 2460995.72475 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
531636 2025-11-16 05:23:38 2460995.72475 19.177 0.17 19.28 ABMag cyan-ATLAS ATLAS-CHL_ATLAS-04 30 Robot
531635 2025-11-15 05:43:50 2460994.73877 19.28 ABMag cyan-ATLAS ATLAS-CHL_ATLAS-04 30 Robot [Last non detection]
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
277166 2025-11-17 11:05:34 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland et al. ATLAS ATLAS 05:38:09.402 -67:51:26.96 2025-11-16 05:23:38.400 19.177 cyan-ATLAS PSN ATLAS25ogr ATLAS N
277110 2025-11-16 20:47:47 GOTO_bot D. O'Neill, K. Ackley, M. Dyer et al. GOTO GOTO 05:38:09.410 -67:51:27.40 2025-11-16 16:54:50.400 18.76 L-GOTO Other GOTO25kee GOTO 2025TNSTR4598....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
22432 2025-11-19 01:21:07 Chris Lidman C. Lidman (ANU), K. Auchettl (University of Melbourne/UCSC), B. Martin (ANU), L. Rauf (ANU), B. P. Schmidt (ANU), and B. E. Tucker (ANU) None SN Ia 0.02285 1 Classified with Superfit - SN 1986G is a good fit 2025TNSCR4655....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
22433 2025-11-18 16:48:00 ANU-2.3m / WiFeS 1800 Robotic C. Lidman None tns_2025adtw_2025-11-18.7_ANU-2.3m_WiFeS_None.dat tns_2025adtw_2025-11-18.7_ANU-2.3m_WiFeS_None.fits Object

Comments

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 277166 of Group ATLAS
Previous RA, DEC: 05:38:09.410, -67:51:27.40 (84.539209, -67.857611)
Updated RA, DEC: 05:38:09.402, -67:51:26.96 (84.539174, -67.857489)