RA/DEC (2000)
22:26:40.815 -49:10:16.82
336.670061667 -49.1713383333
Type
SN Ia
Redshift
0.06
Discovery ReportClassification Report
Related AstroNotes: 2026-123
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2026-04-26 02:32:35.808
TNS AT
Y
Public
Y
Discovery Mag
17.858
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_2026kyg - 2026-05-05 08:31:44 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
 ▌ATLAS-CHL_ATLAS-04_orange
 ▌ATLAS-STH_ATLAS-03_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
23647 2026-05-05 08:31:44 ESO-NTT / EFOSC2-NTT 600 Jasvinderjit Khaulsay, Camila Cárdenas Aiswarya Sankar.K, Anirban Dutta, Yu-Hsing Lee, Amar Aryan, Yi-Zhi Hong, You-Hao Chen ePESSTO+ tns_2026kyg_2026-05-05_08-31-44_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2026kyg_2026-05-05_08-31-44_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-S_GOTO-4 2025-12-07 11:32:05 - 2026-05-05 18:55:54 2461016.980606 - 2461166.288818 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
579709 2026-05-05 18:55:54 2461166.288818 17.92 0.04 ABMag L-GOTO GOTO-S_GOTO-4 180
579708 2025-12-07 11:32:05 2461016.980606 20.3 ABMag L-GOTO GOTO-S_GOTO-4 180 [Last non detection]
orange-ATLAS ATLAS-CHL_ATLAS-04 2026-04-09 09:44:22 - 2026-04-09 09:44:22 2461139.90581 - 2461139.90581 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
578387 2026-04-09 09:44:22 2461139.90581 18.8 ABMag orange-ATLAS ATLAS-CHL_ATLAS-04 30 Robot [Last non detection]
cyan-ATLAS ATLAS-STH_ATLAS-03 2026-04-26 02:32:36 - 2026-04-26 02:32:36 2461156.60597 - 2461156.60597 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
578388 2026-04-26 02:32:36 2461156.60597 17.858 0.05 19.5 ABMag cyan-ATLAS ATLAS-STH_ATLAS-03 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
302398 2026-05-05 20:30:57 GOTO_bot D. O'Neill, K. Ackley, M. Dyer et al. GOTO GOTO 22:26:40.823 -49:10:16.68 2026-05-05 18:55:54.048 17.92 L-GOTO Other GOTO26efl GOTO N
301709 2026-04-27 14:47:41 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland (IfA, University of Hawaii) et al. ATLAS ATLAS 22:26:40.815 -49:10:16.82 2026-04-26 02:32:35.808 17.858 cyan-ATLAS PSN ATLAS26exk ATLAS 2026TNSTR1840....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
23644 2026-05-05 16:40:50 ePESSTOplus_Bot1 Jasvinderjit Khaulsay, Camila Cárdenas, Aiswarya Sankar.K, Anirban Dutta, Yu-Hsing Lee, Amar Aryan, Yi-Zhi Hong, You-Hao Chen, O. Yaron on behalf of ePESSTO+ ePESSTO+ SN Ia 0.06 1 ePESSTO+ 2026TNSCR1949....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
23647 2026-05-05 08:31:44 ESO-NTT / EFOSC2-NTT 600 Jasvinderjit Khaulsay, Camila Cárdenas Aiswarya Sankar.K, Anirban Dutta, Yu-Hsing Lee, Amar Aryan, Yi-Zhi Hong, You-Hao Chen ePESSTO+ tns_2026kyg_2026-05-05_08-31-44_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2026kyg_2026-05-05_08-31-44_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object

Comments