RA/DEC (2000)
01:14:29.709 -31:10:51.59
18.6237893333 -31.180996
Type
SN Ia
Redshift
0.019
Discovery ReportClassification Report
Related AstroNotes: 2026-187
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2026-05-27 09:44:58.272
TNS AT
Y
Public
Y
Discovery Mag
17.59
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_2026nwb - 2026-06-07 08:36:39 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-4_L
 ▌GOTO-N_GOTO-2_L
 ▌ATLAS-CHL_ATLAS-04_orange
 ▌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
23963 2026-06-07 08:36:39 ESO-NTT / EFOSC2-NTT 800 E. Charleton, M. Ghendrih, C.G. Touchard-Paxton P.Clark, M. Quilt, C. Dashwood-Brown ePESSTO+ tns_2026nwb_2026-06-07_08-36-39_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2026nwb_2026-06-07_08-36-39_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-S_GOTO-4 2026-06-06 19:39:52 - 2026-06-06 19:39:52 2461198.319345 - 2461198.319345 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
589699 2026-06-06 19:39:52 2461198.319345 18.91 0.09 ABMag L-GOTO GOTO-S_GOTO-4 180
L-GOTO GOTO-N_GOTO-2 2025-12-07 21:07:21 - 2025-12-07 21:07:21 2461017.380102 - 2461017.380102 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
589698 2025-12-07 21:07:21 2461017.380102 19.7 ABMag L-GOTO GOTO-N_GOTO-2 180 [Last non detection]
orange-ATLAS ATLAS-CHL_ATLAS-04 2026-05-27 09:44:58 - 2026-05-27 09:44:58 2461187.90623 - 2461187.90623 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
587990 2026-05-27 09:44:58 2461187.90623 17.59 0.064 19.24 ABMag orange-ATLAS ATLAS-CHL_ATLAS-04 30 Robot
cyan-ATLAS ATLAS-CHL_ATLAS-04 2026-05-18 10:19:36 - 2026-05-18 10:19:36 2461178.93028 - 2461178.93028 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
587989 2026-05-18 10:19:36 2461178.93028 19.04 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
307428 2026-06-08 07:11:19 GOTO_bot G. Ramsay, K. Ackley, M. Dyer et al. GOTO GOTO 01:14:29.716 -31:10:51.59 2026-06-06 19:39:51.840 18.91 L-GOTO Other GOTO26fll GOTO N
306610 2026-05-30 17:56:40 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland (IfA, University of Hawaii) et al. ATLAS ATLAS 01:14:29.709 -31:10:51.59 2026-05-27 09:44:58.272 17.59 orange-ATLAS PSN ATLAS26gnw ATLAS 2026TNSTR2337....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
23959 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 0.019 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
23963 2026-06-07 08:36:39 ESO-NTT / EFOSC2-NTT 800 E. Charleton, M. Ghendrih, C.G. Touchard-Paxton P.Clark, M. Quilt, C. Dashwood-Brown ePESSTO+ tns_2026nwb_2026-06-07_08-36-39_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2026nwb_2026-06-07_08-36-39_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object

Comments