RA/DEC (2000)
06:13:56.586 -38:02:29.07
93.4857744444 -38.0414077778
Type
SN II
Redshift
0.0335
Related AstroNotes: 2025-109
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2025-03-26 02:11:05.856
TNS AT
Y
Public
Y
Discovery Mag
18.067
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, 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_2025fwp - 2025-04-05 00:14:45 VLT-UT1 / FORS2 (adH0cc)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

 GOTO-S_GOTO-4_L
 GOTO-S_GOTO-3_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
20701 2025-04-05 00:14:45 VLT-UT1 / FORS2 750 service Geza Csoernyei adH0cc tns_2025fwp_2025-04-05_00-14-45_VLT-UT1_FORS2_adH0cc.asci tns_2025fwp_2025-04-05_00-14-45_VLT-UT1_FORS2_adH0cc.fits Object Quick-reduction spectrum
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-S_GOTO-4 2025-04-07 11:30:26 - 2025-04-07 11:30:26 2460772.979475 - 2460772.979475 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
481609 2025-04-07 11:30:26 2460772.979475 18.69 0.14 ABMag L-GOTO GOTO-S_GOTO-4 180
L-GOTO GOTO-S_GOTO-3 2025-03-20 12:16:45 - 2025-03-20 12:16:45 2460755.011628 - 2460755.011628 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
481608 2025-03-20 12:16:45 2460755.011628 19.9 ABMag L-GOTO GOTO-S_GOTO-3 180 [Last non detection]
cyan-ATLAS ATLAS-CHL_ATLAS-04 2025-03-26 02:11:06 - 2025-03-26 02:11:06 2460760.59104 - 2460760.59104 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
479118 2025-03-26 02:11:06 2460760.59104 18.067 0.15 19.28 ABMag cyan-ATLAS ATLAS-CHL_ATLAS-04 30 Robot
orange-ATLAS ATLAS-STH_ATLAS-03 2025-03-23 18:39:28 - 2025-03-23 18:39:28 2460758.27741 - 2460758.27741 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
479117 2025-03-23 18:39:28 2460758.27741 19.43 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
251320 2025-04-09 12:35:58 GOTO_bot D. O'Neill,K. Ackley,M. Dyer et al. GOTO GOTO 06:13:56.548 -38:02:28.33 2025-04-07 11:30:26.208 18.69 L-GOTO Other GOTO25btv GOTO N
249990 2025-03-27 09:51:23 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 06:13:56.586 -38:02:29.07 2025-03-26 02:11:05.856 18.067 cyan-ATLAS PSN ATLAS25dcp ATLAS 2025TNSTR1167....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
20701 2025-04-05 19:37:45 Geza Csornyei G. Csoernyei, B. Leibundgut, J. Spyromilio (ESO), S. Taubenberger (TUM / MPA), W. Hillebrandt (MPA), S. Blondin (CNRS, LAM / ESO) adH0cc SN II 0.0335 1 adH0cc The SN shows broad P Cygni lines of H and He, indicative of a Type II supernova. The redshift was estimated based on the narrow Halpha emission line seen in the spectrum. 2025TNSCR1291....1C
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
20701 2025-04-05 00:14:45 VLT-UT1 / FORS2 750 service Geza Csoernyei adH0cc tns_2025fwp_2025-04-05_00-14-45_VLT-UT1_FORS2_adH0cc.asci tns_2025fwp_2025-04-05_00-14-45_VLT-UT1_FORS2_adH0cc.fits Object Quick-reduction spectrum

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