RA/DEC (2000)
14:43:57.052 -18:28:53.81
220.987715714 -18.4816142857
Type
SN II
Redshift
0.02039
Discovery ReportClassification Report
Related AstroNotes: 2026-259
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2026-08-30 05:37:09.696
TNS AT
Y
Public
Y
Host Name
ESO580-014, NGC5744
Comments
[Object cross-matched with ESO580-014, NGC5744]
Discovery Mag
18.705
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, J. Weston, X. Sheng, C. R. Angus, D. Magill, A. J. Smith, L. Shingles (QUB), A. Aamer (Arizona), P. Ramsden (Birmingham/QUB), S. Srivastav, J. H. Gillanders, H. Stevance, A. J. Cooper, F. Stoppa, J. Tweddle, L. Eastman (Oxford), L. Rhodes (TSI/McGill), T. Moore, A. Rest (STScI), T.-W. Chen (NCU), C. Deasy-Millar (TCD), C. Stubbs (Harvard), J. S. Sommer (LMU), B. P. Schmidt (ANU)
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2026aabz - 2026-09-04 09:36:00 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
z-step:   v-step: 
   Binning factor: (rounded to nearest integer >1)
Mouse hovers at WL: 0 (rest),0 (observed)

Light curves

 ▌ATLAS-HKO_ATLAS-02_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
24640 2026-09-04 09:36:00 ANU-2.3m / WiFeS 900 K. Auchettl C. Lidman Supernova Alliance tns_2026aabz_2026-09-04.4_ANU-2.3m_WiFeS_Supernova_Alliance.dat tns_2026aabz_2026-09-04.4_ANU-2.3m_WiFeS_Supernova_Alliance.fits Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
orange-ATLAS ATLAS-HKO_ATLAS-02 2026-08-29 06:30:35 - 2026-08-30 05:37:10 2461281.77124 - 2461282.73414 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
615412 2026-08-30 05:37:10 2461282.73414 18.705 0.193 18.68 ABMag orange-ATLAS ATLAS-HKO_ATLAS-02 30 Robot
615411 2026-08-29 06:30:35 2461281.77124 18.04 ABMag orange-ATLAS ATLAS-HKO_ATLAS-02 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
321754 2026-08-30 22:47:11 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland (IfA, University of Hawaii) et al. ATLAS ATLAS 14:43:57.052 -18:28:53.81 2026-08-30 05:37:09.696 18.705 orange-ATLAS PSN ATLAS26kqj ATLAS 2026TNSTR3495....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
24632 2026-09-04 23:13:05 Chris Lidman C. Lidman (ANU), K. Auchettl (University of Melbourne/UCSC), D. Cao (ANU), B. Martin (ANU), A. Moller (Swinburne), A. Protheroe (ANU), L. Rauf (ANU), B. P. Schmidt (ANU), and B. E. Tucker (ANU) Supernova Alliance SN II 0.02039 1 Supernova Alliance Classified with Superfit. Best fit is 1987K. 2026TNSCR3583....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
24640 2026-09-04 09:36:00 ANU-2.3m / WiFeS 900 K. Auchettl C. Lidman Supernova Alliance tns_2026aabz_2026-09-04.4_ANU-2.3m_WiFeS_Supernova_Alliance.dat tns_2026aabz_2026-09-04.4_ANU-2.3m_WiFeS_Supernova_Alliance.fits Object

Comments