RA/DEC (2000)
20:32:56.071 -11:52:49.74
308.2336305 -11.8804832
Type
SN Ib/c
Redshift
0.01937
Discovery ReportClassification Report
Related AstroNotes: 2025-91
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2025-03-19 09:15:16.704
TNS AT
Y
Public
Y
Discovery Mag
17.941
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)
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2025eux - 2025-05-06 19:12:00 ANU-2.3m / WiFeS (DEBASS)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
 ▌ATLAS-CHL_ATLAS-04_orange
 ▌GOTO-N_GOTO-1_L
 ▌P48_ZTF-Cam_g
 ▌ATLAS-MLO_ATLAS-01_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
20986 2025-05-06 19:12:00 ANU-2.3m / WiFeS 1200 Robotic Bailey Martin DEBASS tns_2025eux_2025-05-06.8_ANU-2.3m_WiFeS_DEBASS.dat tns_2025eux_2025-05-06.8_ANU-2.3m_WiFeS_DEBASS.fits Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-S_GOTO-4 2025-04-05 18:08:42 - 2025-04-05 18:08:42 2460771.256044 - 2460771.256044 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
480951 2025-04-05 18:08:42 2460771.256044 19.01 0.12 ABMag L-GOTO GOTO-S_GOTO-4 180
orange-ATLAS ATLAS-CHL_ATLAS-04 2025-03-19 09:15:17 - 2025-03-19 09:15:17 2460753.88561 - 2460753.88561 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
476903 2025-03-19 09:15:17 2460753.88561 17.941 0.151 18.35 ABMag orange-ATLAS ATLAS-CHL_ATLAS-04 30 Robot
L-GOTO GOTO-N_GOTO-1 2024-11-26 19:17:46 - 2024-11-26 19:17:46 2460641.304009 - 2460641.304009 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
480950 2024-11-26 19:17:46 2460641.304009 19.2 ABMag L-GOTO GOTO-N_GOTO-1 180 [Last non detection]
g-ZTF P48_ZTF-Cam 2025-04-24 11:32:46 - 2025-04-24 11:32:46 2460789.981088 - 2460789.981088 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
484818 2025-04-24 11:32:46 2460789.981088 19.7428 0.159487 ABMag g-ZTF P48_ZTF-Cam
orange-ATLAS ATLAS-MLO_ATLAS-01 2024-12-10 05:29:58 - 2024-12-10 05:29:58 2460654.72914 - 2460654.72914 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
476902 2024-12-10 05:29:58 2460654.72914 18.42 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 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
253037 2025-04-30 01:45:54 Fritz Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU) et al. ZTF ZTF 20:32:56.071 -11:52:49.74 2025-04-24 11:32:46.003 19.7428 g-ZTF PSN ZTF25aaoiard ZTF N
251024 2025-04-05 18:43:34 GOTO_bot D. O'Neill, K. Ackley, M. Dyer et al. GOTO GOTO 20:32:56.156 -11:52:49.18 2025-04-05 18:08:41.856 19.01 L-GOTO Other GOTO25brg GOTO N
248901 2025-03-19 17:34:55 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland et al. ATLAS ATLAS 20:32:56.084 -11:52:49.66 2025-03-19 09:15:16.704 17.941 orange-ATLAS PSN ATLAS25ctw ATLAS 2025TNSTR1043....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
20986 2025-05-07 23:56:38 Bailey Martin B. Martin (ANU), K. Auchettl (University of Melbourne/UCSC), B. P. Schmidt (ANU), P. Armstrong (ANU), D. Cao (ANU), C. Lidman (ANU), L. Rauf (ANU), J. Shi (University of Melbourne), and B. E. Tucker (ANU) DEBASS SN Ib/c 0.01937 1 1 DEBASS Classified with superfit. Both Type Ib and Ic templates with similar phase give a reasonable fit to the spectrum. 2025TNSCR1703....1M
Related files
File Comments Last Modified (UT) Modified By
tns_2025eux_atrep_20986_DEBASS.pdf The best fitting spectrum from superfit. 2025-05-07 23:56:38 Bailey Martin
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
20986 2025-05-06 19:12:00 ANU-2.3m / WiFeS 1200 Robotic Bailey Martin DEBASS tns_2025eux_2025-05-06.8_ANU-2.3m_WiFeS_DEBASS.dat tns_2025eux_2025-05-06.8_ANU-2.3m_WiFeS_DEBASS.fits Object

Comments

TNS
System

Wed, 04/30/2025 - 01:45

Object coordinates updated

Object coordinates updated according to AT-report 253037 of Group ZTF
Previous RA, DEC: 20:32:56.084, -11:52:49.66 (308.2336825, -11.8804625)
Updated RA, DEC: 20:32:56.071, -11:52:49.74 (308.2336305, -11.8804832)