RA/DEC (2000)
04:28:46.845 -44:34:01.86
67.1951890476 -44.567182381
Type
SN Ia
Redshift
0.05
Related AstroNotes: 2025-49
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2025-01-29 01:42:15.264
TNS AT
Y
Public
Y
Discovery Mag
18.899
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), 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 (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_2025anc - 2025-02-07 03:50:27 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
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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
 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
20339 2025-02-07 03:50:27 ESO-NTT / EFOSC2-NTT 599 D. Magill, J. Gillanders A. Aamer, C. Angus ePESSTO+ tns_2025anc_2025-02-07_03-50-27_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2025anc_2025-02-07_03-50-27_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-S_GOTO-4 2025-01-25 13:08:59 - 2025-02-19 12:16:56 2460701.047903 - 2460726.011762 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
470354 2025-02-19 12:16:56 2460726.011762 17.02 0.02 ABMag L-GOTO GOTO-S_GOTO-4 180
470353 2025-01-25 13:08:59 2460701.047903 19.8 ABMag L-GOTO GOTO-S_GOTO-4 180 [Last non detection]
cyan-ATLAS ATLAS-CHL_ATLAS-04 2025-01-29 01:42:15 - 2025-01-29 01:42:15 2460704.57101 - 2460704.57101 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
465733 2025-01-29 01:42:15 2460704.57101 18.899 0.146 19.56 ABMag cyan-ATLAS ATLAS-CHL_ATLAS-04 30 Robot
orange-ATLAS ATLAS-STH_ATLAS-03 2025-01-26 20:37:30 - 2025-01-26 20:37:30 2460702.35937 - 2460702.35937 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
465732 2025-01-26 20:37:30 2460702.35937 19.07 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 Bibcode Unreal Auto classification
245285 2025-02-21 11:50:43 GOTO_bot A. Kumar,D. O'Neill,K. Ackley et al. GOTO GOTO 04:28:46.841 -44:34:01.83 2025-02-19 12:16:56.064 17.02 L-GOTO Other GOTO25amy GOTO N
242999 2025-01-31 08:46:15 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 04:28:46.845 -44:34:01.86 2025-01-29 01:42:15.264 18.899 cyan-ATLAS PSN ATLAS25bdz ATLAS 2025TNSTR.426....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
20339 2025-02-07 16:17:08 ePESSTOplus_Bot1 D. Magill, J. Gillanders, A. Aamer, C. Angus, E. A. Zimmerman on behalf of ePESSTO+ ePESSTO+ SN Ia 0.05 1 ePESSTO+ 2025TNSCR.527....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
20339 2025-02-07 03:50:27 ESO-NTT / EFOSC2-NTT 599 D. Magill, J. Gillanders A. Aamer, C. Angus ePESSTO+ tns_2025anc_2025-02-07_03-50-27_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2025anc_2025-02-07_03-50-27_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object

Comments