RA/DEC (2000)
03:31:20.915 -35:29:25.05
52.8371454167 -35.4902904167
Type
SN Ia
Redshift
0.056
Discovery ReportClassification Report
Related AstroNotes: 2026-57
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2026-02-28 05:31:44.832
TNS AT
Y
Public
Y
Discovery Mag
16.238
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_2026evh - 2025-03-05 00:00:00 Gemini-S / GMOS-S (None)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
 ▌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
23136 2025-03-05 00:00:00 Gemini-S / GMOS-S Gemini None tns_2026evh_2025-03-05_Gemini-S_GMOS-S_None.txt Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
orange-ATLAS ATLAS-CHL_ATLAS-04 2026-02-27 01:27:55 - 2026-02-27 01:27:55 2461098.56105 - 2461098.56105 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
562682 2026-02-27 01:27:55 2461098.56105 18.66 ABMag orange-ATLAS ATLAS-CHL_ATLAS-04 30 Robot [Last non detection]
orange-ATLAS ATLAS-MLO_ATLAS-01 2026-02-28 05:31:45 - 2026-02-28 05:31:45 2461099.73038 - 2461099.73038 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
562683 2026-02-28 05:31:45 2461099.73038 16.238 0.121 18.64 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 30 Robot
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
293551 2026-03-03 21:46:25 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland (IfA, University of Hawaii) et al. ATLAS ATLAS 03:31:20.915 -35:29:25.05 2026-02-28 05:31:44.832 16.238 orange-ATLAS PSN ATLAS26cok ATLAS 2026TNSTR.897....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
23135 2026-03-05 21:24:23 Priscila Pessi A. Cikota (NOIRLab/Gemini South), P. Pessi (NCBJ), P. Candia (NOIRLab/Gemini South), S. Cikota (CAHA), S. Panda (NOIRLab/Gemini South), J. Font-Serra (NOIRLab/Gemini South), R. Cartier (University of Antofagasta), R. Angeloni (NOIRLab/Gemini South), K. Silva (NOIRLab/Gemini South), E. Sabbi (NOIRLab), V. Kalari (NOIRLab/Gemini South), L. Magill (NOIRLab/Gemini South), V.Firpo (NOIRLab/Gemini South), C. Rodriguez (NOIRLab/Gemini South) None SN Ia 0.056 1 2026TNSCR.926....1C
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
23136 2025-03-05 00:00:00 Gemini-S / GMOS-S Gemini None tns_2026evh_2025-03-05_Gemini-S_GMOS-S_None.txt Object

Comments