RA/DEC (2000)
13:43:41.243 -22:16:28.15
205.9218475 -22.274485
Type
SN Ia
Redshift
0.055
Related AstroNotes: 2025-228
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2025-07-21 01:11:47.040
TNS AT
Y
Public
Y
Discovery Mag
18.536
Filter
cyan-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_2025ruf - 2025-07-24 01:24:41 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

 ATLAS-CHL_ATLAS-04_cyan
 ATLAS-STH_ATLAS-03_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
21619 2025-07-24 01:24:41 ESO-NTT / EFOSC2-NTT 600 G. Martins, R. Santos S. González-Gaitán, J. Duarte ePESSTO+ tns_2025ruf_2025-07-24_01-24-41_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2025ruf_2025-07-24_01-24-41_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
cyan-ATLAS ATLAS-CHL_ATLAS-04 2025-07-21 01:11:47 - 2025-07-21 01:11:47 2460877.54985 - 2460877.54985 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
504032 2025-07-21 01:11:47 2460877.54985 18.536 0.124 19.2 ABMag cyan-ATLAS ATLAS-CHL_ATLAS-04 30 Robot
orange-ATLAS ATLAS-STH_ATLAS-03 2025-07-19 19:41:01 - 2025-07-19 19:41:01 2460876.32015 - 2460876.32015 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
504031 2025-07-19 19:41:01 2460876.32015 19.29 ABMag orange-ATLAS ATLAS-STH_ATLAS-03 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
263297 2025-07-21 15:10:10 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 13:43:41.243 -22:16:28.15 2025-07-21 01:11:47.040 18.536 cyan-ATLAS PSN ATLAS25iao ATLAS 2025TNSTR2797....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
21619 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 0.055 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
21619 2025-07-24 01:24:41 ESO-NTT / EFOSC2-NTT 600 G. Martins, R. Santos S. González-Gaitán, J. Duarte ePESSTO+ tns_2025ruf_2025-07-24_01-24-41_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2025ruf_2025-07-24_01-24-41_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object

Comments