RA/DEC (2000)
01:17:12.602 -58:54:46.82
19.30251 -58.9130057143
Type
SN Ia-91bg-like
Redshift
0.01774
Related AstroNotes: 2025-228
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2025-07-16 08:39:42.624
TNS AT
Y
Public
Y
Discovery Mag
18.186
Filter
orange-ATLAS
Reporter/s
J. Tonry, L. Denneau, H. Weiland, R. Siverd (IfA, University of Hawaii), N. Erasmus, W. Koorts (South African Astronomical Observatory), A. Jordan, V. Suc (UAI, Obstech), M. R. Alarcón, J. Licandro, P. Nichita (IAC), S. J. Smartt, K. W. Smith (Oxford/QUB), D. R. Young, M. Nicholl, M. Fulton, M. McCollum, T. Moore, J. Weston, X. Sheng, C. R. Angus, A. Wilson, A. Aamer, D. Magill (QUB), P. Ramsden (Birmingham/QUB), L. Shingles (GSI/QUB), S. Srivastav, J. H. Gillanders, H. Stevance, A. J. Cooper, F. Stoppa, J. Tweddle (Oxford), L. Rhodes (TSI/McGill), A. Rest (STScI), T.-W. Chen (NCU), C. Stubbs (Harvard), J. S. Sommer (LMU), B. P. Schmidt (ANU)

Spectra

 SN_2025rib - 2025-07-24 05:59:27 ESO-NTT / EFOSC2-NTT (ePESSTO+)z=
 SN_2025rib - 2025-07-23 14:24:00 ANU-2.3m / WiFeS (DEBASS)z=
Show H at z=vexp= km/s
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Show [Ca II] at z=vexp= km/s
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Show Tellurics 
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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
   
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
21626 2025-07-24 05:59:27 ESO-NTT / EFOSC2-NTT 400 G. Martins, R. Santos S. González-Gaitán, J. Duarte ePESSTO+ tns_2025rib_2025-07-24_05-59-27_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2025rib_2025-07-24_05-59-27_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object
21638 2025-07-23 14:24:00 ANU-2.3m / WiFeS 1200 Robotic B. Martin DEBASS tns_2025rib_2025-07-23.6_ANU-2.3m_WiFeS_DEBASS.dat tns_2025rib_2025-07-23.6_ANU-2.3m_WiFeS_DEBASS.fits Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-S_GOTO-4 2025-08-05 14:11:59 - 2025-08-05 14:11:59 2460893.091648 - 2460893.091648 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
507611 2025-08-05 14:11:59 2460893.091648 18.51 0.12 ABMag L-GOTO GOTO-S_GOTO-4 270
L-GOTO GOTO-S_GOTO-3 2025-07-14 15:26:12 - 2025-07-14 15:26:12 2460871.143192 - 2460871.143192 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
507610 2025-07-14 15:26:12 2460871.143192 17.5 ABMag L-GOTO GOTO-S_GOTO-3 135 [Last non detection]
orange-ATLAS ATLAS-CHL_ATLAS-04 2025-07-12 07:37:41 - 2025-07-16 08:39:43 2460868.81784 - 2460872.86091 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
503055 2025-07-16 08:39:43 2460872.86091 18.186 0.133 18.79 ABMag orange-ATLAS ATLAS-CHL_ATLAS-04 30 Robot
503054 2025-07-12 07:37:41 2460868.81784 18.39 ABMag orange-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
265124 2025-08-06 06:42:10 GOTO_bot A. Kumar, G. Ramsay, K. Ackley et al. GOTO GOTO 01:17:12.607 -58:54:46.15 2025-08-05 14:11:58.560 18.51 L-GOTO Other GOTO25fqo GOTO N
262793 2025-07-17 09:26:29 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland et al. ATLAS ATLAS 01:17:12.602 -58:54:46.82 2025-07-16 08:39:42.624 18.186 orange-ATLAS PSN ATLAS25hrz ATLAS 2025TNSTR2739....1T N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
21638 2025-07-25 02:12:33 Bailey Martin B. Martin (ANU), C. Lidman (ANU), D. Brout (Boston University), K. Auchettl (University of Melbourne/UCSC), P. Armstrong (ANU), D. Cao (ANU), and L. Rauf (ANU) DEBASS SN Ia-91bg-like 0.01774 1 DEBASS Classified with superfit. The best fitting spectrum is SN 1991bg at maximum luminosity. 2025TNSCR2899....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
21638 2025-07-23 14:24:00 ANU-2.3m / WiFeS 1200 Robotic B. Martin DEBASS tns_2025rib_2025-07-23.6_ANU-2.3m_WiFeS_DEBASS.dat tns_2025rib_2025-07-23.6_ANU-2.3m_WiFeS_DEBASS.fits Object
21626 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 0.018 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
21626 2025-07-24 05:59:27 ESO-NTT / EFOSC2-NTT 400 G. Martins, R. Santos S. González-Gaitán, J. Duarte ePESSTO+ tns_2025rib_2025-07-24_05-59-27_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2025rib_2025-07-24_05-59-27_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object

Comments