RA/DEC (2000)
00:53:50.253 -67:36:34.49
13.4593871429 -67.60958
Type
SN II
Redshift
0.031
Related AstroNotes: 2026-159
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2026-05-19 09:42:38.304
TNS AT
Y
Public
Y
Discovery Mag
19.071
Filter
cyan-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_2026ndk - 2026-05-29 09:17:10 ESO-NTT / EFOSC2-NTT (ePESSTO+)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

 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
23861 2026-05-29 09:17:10 ESO-NTT / EFOSC2-NTT 1800 Jasvinderjit Khaulsay, Sethu Vazhayil Amar Aryan, Cheng-Han Lai, Ting-Wan Chen, Anirban Dutta ePESSTO+ tns_2026ndk_2026-05-29_09-17-10_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2026ndk_2026-05-29_09-17-10_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
cyan-ATLAS ATLAS-CHL_ATLAS-04 2026-05-19 09:42:38 - 2026-05-19 09:42:38 2461179.90461 - 2461179.90461 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
584004 2026-05-19 09:42:38 2461179.90461 19.071 0.127 19.54 ABMag cyan-ATLAS ATLAS-CHL_ATLAS-04 30 Robot
orange-ATLAS ATLAS-STH_ATLAS-03 2026-05-18 04:09:12 - 2026-05-18 04:09:12 2461178.67306 - 2461178.67306 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
584003 2026-05-18 04:09:12 2461178.67306 17.64 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
304614 2026-05-19 19:18:14 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland (IfA, University of Hawaii) et al. ATLAS ATLAS 00:53:50.253 -67:36:34.49 2026-05-19 09:42:38.304 19.071 cyan-ATLAS PSN ATLAS26gcd ATLAS 2026TNSTR2168....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
23857 2026-05-29 12:51:16 ePESSTOplus_Bot1 Jasvinderjit Khaulsay, Sethu Vazhayil, Amar Aryan, Cheng-Han Lai, Ting-Wan Chen, Anirban Dutta, O. Yaron on behalf of ePESSTO+ ePESSTO+ SN II 0.031 1 ePESSTO+ 2026TNSCR2332....1K
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
23861 2026-05-29 09:17:10 ESO-NTT / EFOSC2-NTT 1800 Jasvinderjit Khaulsay, Sethu Vazhayil Amar Aryan, Cheng-Han Lai, Ting-Wan Chen, Anirban Dutta ePESSTO+ tns_2026ndk_2026-05-29_09-17-10_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2026ndk_2026-05-29_09-17-10_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object

Comments