RA/DEC (2000)
00:03:09.298 -27:08:35.62
0.788742727273 -27.1432281818
Type
SN Ia
Redshift
0.068
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2025-06-08 10:01:36.192
TNS AT
Y
Public
Y
Discovery Mag
18.633
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), 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_2025ncw - 2025-06-14 14:25:26 UH88 / SNIFS (SCAT)z=
Show H at z=vexp= km/s
Show He at z=vexp= km/s
Show He II at z=vexp= km/s
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Show C III at z=vexp= km/s
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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
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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
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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-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
21303 2025-06-14 14:25:26 UH88 / SNIFS 1800 Desai SCAT tns_2025ncw_2460841.10099_UH88_SNIFS_SCAT.dat Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-S_GOTO-3 2025-06-05 17:19:30 - 2025-06-13 17:06:13 2460832.221867 - 2460840.212648 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
494958 2025-06-13 17:06:13 2460840.212648 18.13 0.18 ABMag L-GOTO GOTO-S_GOTO-3 180
494957 2025-06-05 17:19:30 2460832.221867 18.9 ABMag L-GOTO GOTO-S_GOTO-3 180 [Last non detection]
orange-ATLAS ATLAS-CHL_ATLAS-04 2025-06-07 09:18:05 - 2025-06-08 10:01:36 2460833.88756 - 2460834.91778 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
494227 2025-06-08 10:01:36 2460834.91778 18.633 0.142 19.18 ABMag orange-ATLAS ATLAS-CHL_ATLAS-04 30 Robot
494226 2025-06-07 09:18:05 2460833.88756 18.98 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
258431 2025-06-14 06:50:26 GOTO_bot D. O'Neill, G. Ramsay, K. Ackley et al. GOTO GOTO 00:03:09.310 -27:08:36.32 2025-06-13 17:06:12.960 18.13 L-GOTO Other GOTO25dms GOTO N
258038 2025-06-08 21:17:31 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland et al. ATLAS ATLAS 00:03:09.298 -27:08:35.62 2025-06-08 10:01:36.192 18.633 orange-ATLAS PSN ATLAS25fzp ATLAS 2025TNSTR2139....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
21303 2025-06-14 15:10:37 Dhvanil Desai Dhvanil Desai (on behalf of the SCAT team) SCAT SN Ia 0.068 1 SCAT Redshift from NED. 2025TNSCR2221....1D
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
21303 2025-06-14 14:25:26 UH88 / SNIFS 1800 Desai SCAT tns_2025ncw_2460841.10099_UH88_SNIFS_SCAT.dat Object

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