RA/DEC (2000)
11:24:59.161 +02:39:45.99
171.246506 +2.662774
Type
SN Ia
Redshift
0.063
Discovery ReportClassification Report
Related AstroNotes: DRAFT-2506, 2026-127
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2026-04-19 02:47:54.240
TNS AT
Y
Public
Y
Discovery Mag
18.895
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_2026kff - 2026-05-07 04:43:57 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-TDO_ATLAS-05_wide
 ▌ATLAS-CHL_ATLAS-04_orange
 ▌GOTO-N_GOTO-1_L
   
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
23656 2026-05-07 04:43:57 ESO-NTT / EFOSC2-NTT 780 Camila Cárdenas, Jasvinderjit Khaulsay W-Y. Lu，H-M. Chang,  P-Y. Wang,  M-H. Lee,  A. Sankar.K, A. Dutta, A. Aryan, Y.-H. Lee, T.-W. Chen ePESSTO+ tns_2026kff_2026-05-07_04-43-57_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2026kff_2026-05-07_04-43-57_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
wide-ATLAS ATLAS-TDO_ATLAS-05 2026-04-16 00:31:05 - 2026-04-16 00:31:05 2461146.52159 - 2461146.52159 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
576661 2026-04-16 00:31:05 2461146.52159 20.16 ABMag wide-ATLAS ATLAS-TDO_ATLAS-05 30 Robot [Last non detection]
orange-ATLAS ATLAS-CHL_ATLAS-04 2026-04-19 02:47:54 - 2026-04-19 02:47:54 2461149.6166 - 2461149.6166 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
576662 2026-04-19 02:47:54 2461149.6166 18.895 0.116 19.51 ABMag orange-ATLAS ATLAS-CHL_ATLAS-04 30 Robot
L-GOTO GOTO-N_GOTO-1 2026-04-15 22:14:30 - 2026-04-20 22:30:03 2461146.426738 - 2461151.437533 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
576919 2026-04-20 22:30:03 2461151.437533 18.86 0.08 ABMag L-GOTO GOTO-N_GOTO-1 180
576918 2026-04-15 22:14:30 2461146.426738 20 ABMag L-GOTO GOTO-N_GOTO-1 180 [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
300968 2026-04-22 19:58:47 GOTO_bot D. O'Neill, K. Ackley, M. Dyer et al. GOTO GOTO 11:24:59.161 +02:39:45.73 2026-04-20 22:30:02.592 18.86 L-GOTO Other GOTO26dov GOTO N
300830 2026-04-20 22:59:17 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland (IfA, University of Hawaii) et al. ATLAS ATLAS 11:24:59.161 +02:39:45.99 2026-04-19 02:47:54.240 18.895 orange-ATLAS PSN ATLAS26eod ATLAS 2026TNSTR1725....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
23653 2026-05-07 15:50:29 ePESSTOplus_Bot1 Camila Cárdenas, Jasvinderjit Khaulsay, W-Y. Lu，H-M. Chang,  P-Y. Wang,  M-H. Lee,  A. Sankar.K, A. Dutta, A. Aryan, Y.-H. Lee, T.-W. Chen, O. Yaron on behalf of ePESSTO+ ePESSTO+ SN Ia 0.063 1 ePESSTO+ 2026TNSCR1980....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
23656 2026-05-07 04:43:57 ESO-NTT / EFOSC2-NTT 780 Camila Cárdenas, Jasvinderjit Khaulsay W-Y. Lu，H-M. Chang,  P-Y. Wang,  M-H. Lee,  A. Sankar.K, A. Dutta, A. Aryan, Y.-H. Lee, T.-W. Chen ePESSTO+ tns_2026kff_2026-05-07_04-43-57_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2026kff_2026-05-07_04-43-57_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object

Comments