RA/DEC (2000)
10:12:15.454 +09:16:57.07
153.0643898 +9.2825181
Type
SLSN-I
Redshift
0.1
Discovery ReportClassification Report
Related AstroNotes: 2026-123
Reporting Group
GOTO
Discovering Data Source
GOTO
Discovery Date
2026-04-28 21:16:03.360
TNS AT
Y
Public
Y
Discovery Mag
18.57
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_2026law - 2026-05-05 01:38:55 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-N_GOTO-1_L
 ▌P48_ZTF-Cam_i
 ▌P48_ZTF-Cam_r
   
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
23631 2026-05-05 01:38:55 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_2026law_2026-05-05_01-38-55_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2026law_2026-05-05_01-38-55_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-N_GOTO-1 2026-04-23 20:53:58 - 2026-04-28 21:16:03 2461154.370813 - 2461159.386155 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
578890 2026-04-28 21:16:03 2461159.386155 18.57 0.16 ABMag L-GOTO GOTO-N_GOTO-1 180
578889 2026-04-23 20:53:58 2461154.370813 19.7 ABMag L-GOTO GOTO-N_GOTO-1 180 [Last non detection]
i-ZTF P48_ZTF-Cam 2026-04-24 03:53:30 - 2026-04-29 04:22:52 2461154.6621528 - 2461159.6825463 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
578967 2026-04-29 04:22:52 2461159.6825463 18.7822 0.0870138 ABMag i-ZTF P48_ZTF-Cam
578966 2026-04-24 03:53:30 2461154.6621528 19.55 ABMag i-ZTF P48_ZTF-Cam [Last non detection]
r-ZTF P48_ZTF-Cam 2026-04-29 05:36:35 - 2026-04-29 05:36:35 2461159.7337384 - 2461159.7337384 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
578968 2026-04-29 05:36:35 2461159.7337384 18.5839 0.092829 ABMag r-ZTF P48_ZTF-Cam
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
302001 2026-04-29 18:44:30 Fritz Anirudh Salgundi (UNC), Igor Andreoni (UNC), Theophile Du Laz (Caltech) et al. ZTF ZTF 10:12:15.454 +09:16:57.07 2026-04-29 04:22:52.000 18.7822 i-ZTF PSN ZTF26aaulhci ZTF N
301959 2026-04-29 13:00:03 GOTO_bot D. O'Neill, K. Ackley, M. Dyer et al. GOTO GOTO 10:12:15.498 +09:16:56.96 2026-04-28 21:16:03.360 18.57 L-GOTO Other GOTO26ecb GOTO 2026TNSTR1872....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
23628 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+ SLSN-I 0.1 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
23631 2026-05-05 01:38:55 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_2026law_2026-05-05_01-38-55_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2026law_2026-05-05_01-38-55_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object

Comments

TNS
System

Wed, 04/29/2026 - 18:44

Object coordinates updated

Object coordinates updated according to AT-report 302001 of Group ZTF
Previous RA, DEC: 10:12:15.498, +09:16:56.96 (153.064575, +9.28249)
Updated RA, DEC: 10:12:15.454, +09:16:57.07 (153.0643898, +9.2825181)