RA/DEC (2000)
09:53:19.494 +07:58:19.43
148.3312255 +7.9720644
Type
SN Ia
Redshift
0.063
Discovery ReportClassification Report
Related AstroNotes: 2026-123
Reporting Group
GOTO
Discovering Data Source
GOTO
Discovery Date
2026-04-28 09:45:18.144
TNS AT
Y
Public
Y
Discovery Mag
19.14
Filter
L-GOTO
Reporter/s
D. O'Neill, K. Ackley, M. Dyer, J. Lyman, K. Ulaczyk, D. Steeghs, D. Galloway, V. Dhillon, P. O'Brien, G. Ramsay, K. Noysena, R. Kotak, R. Breton, J. Casares, L. Nuttall, R. Starling, B. Gompertz, B. Godson, T. Killestein, A. Kumar, M. Pursiainen, on behalf of GOTO collaboration
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2026kzy - 2026-05-05 02:46:33 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
 ▌GOTO-S_GOTO-3_L
 ▌GOTO-N_GOTO-1_L
 ▌P48_ZTF-Cam_r
 ▌P48_ZTF-Cam_g
   
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
23634 2026-05-05 02:46:33 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_2026kzy_2026-05-05_02-46-33_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2026kzy_2026-05-05_02-46-33_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
wide-ATLAS ATLAS-TDO_ATLAS-05 2026-05-02 23:18:17 - 2026-05-03 21:02:09 2461163.47103 - 2461164.37649 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
579446 2026-05-03 21:02:09 2461164.37649 18.28 0.127 19.77 ABMag wide-ATLAS ATLAS-TDO_ATLAS-05 30 Robot
579445 2026-05-02 23:18:17 2461163.47103 18.89 ABMag wide-ATLAS ATLAS-TDO_ATLAS-05 30 Robot [Last non detection]
L-GOTO GOTO-S_GOTO-3 2026-04-28 09:45:18 - 2026-04-28 09:45:18 2461158.906458 - 2461158.906458 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
578763 2026-04-28 09:45:18 2461158.906458 19.14 0.18 ABMag L-GOTO GOTO-S_GOTO-3 180
L-GOTO GOTO-N_GOTO-1 2026-04-22 21:09:05 - 2026-04-22 21:09:05 2461153.381313 - 2461153.381313 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
578762 2026-04-22 21:09:05 2461153.381313 19.6 ABMag L-GOTO GOTO-N_GOTO-1 180 [Last non detection]
r-ZTF P48_ZTF-Cam 2026-04-24 04:05:57 - 2026-04-29 05:35:13 2461154.6707986 - 2461159.7327894 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
578807 2026-04-29 05:35:13 2461159.7327894 18.863 0.172057 ABMag r-ZTF P48_ZTF-Cam
578806 2026-04-24 04:05:57 2461154.6707986 19.9886 0.199241 ABMag r-ZTF P48_ZTF-Cam
g-ZTF P48_ZTF-Cam 2026-04-23 07:13:39 - 2026-04-23 07:13:39 2461153.8011458 - 2461153.8011458 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
578805 2026-04-23 07:13:39 2461153.8011458 19.3657 ABMag g-ZTF P48_ZTF-Cam [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
302252 2026-05-04 09:50:07 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland (IfA, University of Hawaii) et al. ATLAS ATLAS 09:53:19.481 +07:58:19.65 2026-05-03 21:02:08.736 18.28 wide-ATLAS PSN ATLAS26fcs ATLAS N
301927 2026-04-29 06:31:06 Fritz Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU) et al. ZTF ZTF 09:53:19.494 +07:58:19.43 2026-04-24 04:05:56.999 19.9886 r-ZTF PSN ZTF26aaulhlc ZTF N
301910 2026-04-28 22:20:09 GOTO_bot D. O'Neill, K. Ackley, M. Dyer et al. GOTO GOTO 09:53:19.481 +07:58:19.24 2026-04-28 09:45:18.144 19.14 L-GOTO Other GOTO26eca GOTO 2026TNSTR1854....1O N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
23631 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 0.063 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
23634 2026-05-05 02:46:33 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_2026kzy_2026-05-05_02-46-33_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2026kzy_2026-05-05_02-46-33_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object

Comments

TNS
System

Wed, 04/29/2026 - 06:31

Object coordinates updated

Object coordinates updated according to AT-report 301927 of Group ZTF
Previous RA, DEC: 09:53:19.481, +07:58:19.24 (148.33117, +7.972012)
Updated RA, DEC: 09:53:19.494, +07:58:19.43 (148.3312255, +7.9720644)