RA/DEC (2000)
02:39:33.566 -41:48:08.72
39.8898577778 -41.8024222222
Type
SN Ia
Redshift
0.089
Related AstroNotes: 2025-228
Reporting Group
GOTO
Discovering Data Source
GOTO
Discovery Date
2025-07-08 19:23:16.512
TNS AT
Y
Public
Y
Discovery Mag
19.26
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_2025rba - 2025-07-24 06:46:03 ESO-NTT / EFOSC2-NTT (ePESSTO+)z=
Show H at z=vexp= km/s
Show He at z=vexp= km/s
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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
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Show [O I] at z=vexp= km/s
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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
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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
 GOTO-S_GOTO-3_L
 ATLAS-CHL_ATLAS-04_orange
 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
21628 2025-07-24 06:46:03 ESO-NTT / EFOSC2-NTT 1200 G. Martins, R. Santos S. González-Gaitán, J. Duarte ePESSTO+ tns_2025rba_2025-07-24_06-46-03_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2025rba_2025-07-24_06-46-03_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-S_GOTO-4 2025-06-21 18:43:09 - 2025-06-21 18:43:09 2460848.279964 - 2460848.279964 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
502378 2025-06-21 18:43:09 2460848.279964 20.1 ABMag L-GOTO GOTO-S_GOTO-4 180 [Last non detection]
L-GOTO GOTO-S_GOTO-3 2025-07-08 19:23:17 - 2025-07-08 19:23:17 2460865.30783 - 2460865.30783 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
502379 2025-07-08 19:23:17 2460865.30783 19.26 0.14 ABMag L-GOTO GOTO-S_GOTO-3 180
orange-ATLAS ATLAS-CHL_ATLAS-04 2025-07-17 09:23:48 - 2025-07-17 09:23:48 2460873.89153 - 2460873.89153 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
503978 2025-07-17 09:23:48 2460873.89153 18.98 ABMag orange-ATLAS ATLAS-CHL_ATLAS-04 30 Robot [Last non detection]
cyan-ATLAS ATLAS-CHL_ATLAS-04 2025-07-20 06:56:57 - 2025-07-20 06:56:57 2460876.78955 - 2460876.78955 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
503979 2025-07-20 06:56:57 2460876.78955 18.927 0.14 19.25 ABMag cyan-ATLAS ATLAS-CHL_ATLAS-04 30 Robot
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
263274 2025-07-21 08:42:25 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 02:39:33.566 -41:48:08.72 2025-07-20 06:56:57.120 18.927 cyan-ATLAS PSN ATLAS25hzr ATLAS N
262419 2025-07-13 17:27:09 GOTO_bot D. O'Neill,K. Ackley,M. Dyer et al. GOTO GOTO 02:39:33.567 -41:48:08.41 2025-07-08 19:23:16.512 19.26 L-GOTO Other GOTO25euq GOTO 2025TNSTR2676....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
21628 2025-07-24 19:15:51 ePESSTOplus_Bot1 G. Martins, R. Santos, S. González-Gaitán, J. Duarte, O. Yaron on behalf of ePESSTO+ ePESSTO+ SN Ia 0.089 1 ePESSTO+ 2025TNSCR2879....1M
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
21628 2025-07-24 06:46:03 ESO-NTT / EFOSC2-NTT 1200 G. Martins, R. Santos S. González-Gaitán, J. Duarte ePESSTO+ tns_2025rba_2025-07-24_06-46-03_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2025rba_2025-07-24_06-46-03_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object

Comments

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 263274 of Group ATLAS
Previous RA, DEC: 02:39:33.567, -41:48:08.41 (39.889863, -41.802336)
Updated RA, DEC: 02:39:33.566, -41:48:08.72 (39.8898577778, -41.8024222222)