RA/DEC (2000)
16:36:08.776 -77:12:39.19
249.03656625 -77.21088625
Type
SN Ia
Redshift
0.07
Discovery ReportClassification Report
Related AstroNotes: 2026-187
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2026-05-22 05:32:19.392
TNS AT
Y
Public
Y
Discovery Mag
18.937
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)
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2026nnr - 2026-06-07 05:55:12 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

 ▌GOTO-S_GOTO-3_L
 ▌ATLAS-CHL_ATLAS-04_cyan
   
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
23962 2026-06-07 05:55:12 ESO-NTT / EFOSC2-NTT 800 E. Charleton, M. Ghendrih, C.G. Touchard-Paxton P.Clark, M. Quilt, C. Dashwood-Brown ePESSTO+ tns_2026nnr_2026-06-07_05-55-12_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2026nnr_2026-06-07_05-55-12_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-S_GOTO-3 2026-04-21 18:48:33 - 2026-06-06 15:35:55 2461152.28372 - 2461198.149942 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
589818 2026-06-06 15:35:55 2461198.149942 18.31 0.07 ABMag L-GOTO GOTO-S_GOTO-3 180
589817 2026-04-21 18:48:33 2461152.28372 19.3 ABMag L-GOTO GOTO-S_GOTO-3 180 [Last non detection]
cyan-ATLAS ATLAS-CHL_ATLAS-04 2026-05-19 07:58:50 - 2026-05-22 05:32:19 2461179.83252 - 2461182.73078 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
585093 2026-05-22 05:32:19 2461182.73078 18.937 0.119 19.63 ABMag cyan-ATLAS ATLAS-CHL_ATLAS-04 30 Robot
585092 2026-05-19 07:58:50 2461179.83252 19.62 ABMag cyan-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
307481 2026-06-08 10:15:58 GOTO_bot P. Charalampopoulos, G. Ramsay, K. Ackley et al. GOTO GOTO 16:36:08.898 -77:12:39.50 2026-06-06 15:35:54.816 18.31 L-GOTO Other GOTO26fng GOTO N
305117 2026-05-24 13:31:37 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland (IfA, University of Hawaii) et al. ATLAS ATLAS 16:36:08.776 -77:12:39.19 2026-05-22 05:32:19.392 18.937 cyan-ATLAS PSN ATLAS26ghz ATLAS 2026TNSTR2255....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
23958 2026-06-07 17:35:00 ePESSTOplus_Bot1 E. Charleton, M. Ghendrih, C.G. Touchard-Paxton, P.Clark, M. Quilt, C. Dashwood-Brown, O. Yaron on behalf of ePESSTO+ ePESSTO+ SN Ia 0.07 1 ePESSTO+
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
23962 2026-06-07 05:55:12 ESO-NTT / EFOSC2-NTT 800 E. Charleton, M. Ghendrih, C.G. Touchard-Paxton P.Clark, M. Quilt, C. Dashwood-Brown ePESSTO+ tns_2026nnr_2026-06-07_05-55-12_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2026nnr_2026-06-07_05-55-12_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object

Comments