RA/DEC (2000)
01:33:47.842 -69:19:44.33
23.4493427273 -69.3289809091
Type
SN Ia
Redshift
0.056
Discovery ReportClassification Report
Related AstroNotes: 2026-138
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2026-04-25 09:35:15.072
TNS AT
Y
Public
Y
Discovery Mag
18.86
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)
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2026ldz - 2026-05-17 08:44:13 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_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
23737 2026-05-17 08:44:13 ESO-NTT / EFOSC2-NTT 600 J. Khaulsay,J. Quirola-Vásquez C. Aster ePESSTO+ tns_2026ldz_2026-05-17_08-44-13_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2026ldz_2026-05-17_08-44-13_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
orange-ATLAS ATLAS-CHL_ATLAS-04 2026-04-05 23:57:58 - 2026-04-25 09:35:15 2461136.49859 - 2461155.89948 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
579123 2026-04-25 09:35:15 2461155.89948 18.86 0.171 19.05 ABMag orange-ATLAS ATLAS-CHL_ATLAS-04 30 Robot
579122 2026-04-05 23:57:58 2461136.49859 18.82 ABMag orange-ATLAS ATLAS-CHL_ATLAS-04 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
302080 2026-05-01 01:32:49 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland (IfA, University of Hawaii) et al. ATLAS ATLAS 01:33:47.842 -69:19:44.33 2026-04-25 09:35:15.072 18.86 orange-ATLAS PSN ATLAS26ezo ATLAS 2026TNSTR1906....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
23734 2026-05-17 16:05:38 ePESSTOplus_Bot1 J. Khaulsay,J. Quirola-Vásquez, C. Aster, A. Horowicz on behalf of ePESSTO+ ePESSTO+ SN Ia 0.056 1 ePESSTO+ 2026TNSCR2146....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
23737 2026-05-17 08:44:13 ESO-NTT / EFOSC2-NTT 600 J. Khaulsay,J. Quirola-Vásquez C. Aster ePESSTO+ tns_2026ldz_2026-05-17_08-44-13_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2026ldz_2026-05-17_08-44-13_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object

Comments