RA/DEC (2000)
16:07:54.304 -59:13:39.82
241.976265 -59.2277283333
Type
SN II
Redshift
0.01498
Related AstroNotes: 2026-63
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2026-03-09 07:53:09.312
TNS AT
Y
Public
Y
Discovery Mag
17.71
Filter
orange-ATLAS
Reporter/s
J. Tonry, L. Denneau, H. Weiland (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, P. J. Broda, A. J. Smith (QUB), P. Ramsden (Birmingham/QUB), L. Shingles (GSI/QUB), S. Srivastav, J. H. Gillanders, H. Stevance, A. J. Cooper, F. Stoppa, J. Tweddle, L. Eastman (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_2026fdp - 2026-04-23 16:48:00 ANU-2.3m / WiFeS (Supernova Alliance)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
 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
23562 2026-04-23 16:48:00 ANU-2.3m / WiFeS 600 Robotic C. Lidman Supernova Alliance tns_2026fdp_2026-04-23.7_ANU-2.3m_WiFeS_Supernova_Alliance.dat tns_2026fdp_2026-04-23.7_ANU-2.3m_WiFeS_Supernova_Alliance.fits Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-S_GOTO-4 2025-10-01 09:32:07 - 2026-03-10 17:46:58 2460949.897297 - 2461110.240952 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
572231 2026-03-10 17:46:58 2461110.240952 18.58 0.11 ABMag L-GOTO GOTO-S_GOTO-4 135
572230 2025-10-01 09:32:07 2460949.897297 19.3 ABMag L-GOTO GOTO-S_GOTO-4 360 [Last non detection]
orange-ATLAS ATLAS-CHL_ATLAS-04 2026-03-09 07:53:09 - 2026-03-09 07:53:09 2461108.82858 - 2461108.82858 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
563605 2026-03-09 07:53:09 2461108.82858 17.71 0.121 18.04 ABMag orange-ATLAS ATLAS-CHL_ATLAS-04 30 Robot
orange-ATLAS ATLAS-STH_ATLAS-03 2026-03-08 01:36:06 - 2026-03-08 01:36:06 2461107.56674 - 2461107.56674 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
563604 2026-03-08 01:36:06 2461107.56674 18.56 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
298507 2026-04-04 16:27:14 GOTO_bot D. O'Neill, K. Ackley, M. Dyer et al. GOTO GOTO 16:07:54.295 -59:13:39.68 2026-03-10 17:46:58.080 18.58 L-GOTO Other GOTO26cdh GOTO N
293981 2026-03-09 13:37:14 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland (IfA, University of Hawaii) et al. ATLAS ATLAS 16:07:54.304 -59:13:39.82 2026-03-09 07:53:09.312 17.71 orange-ATLAS PSN ATLAS26crq ATLAS 2026TNSTR.979....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
23559 2026-04-27 06:47:39 Chris Lidman C. Lidman (ANU), B. P. Schmidt (ANU), K. Auchettl (University of Melbourne/UCSC), B. Martin (ANU), A. Moller (Swinburne), L. Rauf (ANU), and B. E. Tucker (ANU) Supernova Alliance SN II 0.01498 1 Supernova Alliance Classified with Superfit 2026TNSCR1847....1L
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
23562 2026-04-23 16:48:00 ANU-2.3m / WiFeS 600 Robotic C. Lidman Supernova Alliance tns_2026fdp_2026-04-23.7_ANU-2.3m_WiFeS_Supernova_Alliance.dat tns_2026fdp_2026-04-23.7_ANU-2.3m_WiFeS_Supernova_Alliance.fits Object

Comments