RA/DEC (2000)
07:44:54.548 -00:03:27.22
116.2272834 -0.0575615
Type
SN Ib
Redshift
0.027696
Discovery ReportClassification Report
Reporting Group
GOTO
Discovering Data Source
GOTO
Discovery Date
2026-01-15 22:38:06.432
TNS AT
Y
Public
Y
Discovery Mag
19.79
Filter
L-GOTO
Reporter/s
G. Ramsay, D. O'Neill, K. Ackley, M. Dyer, J. Lyman, K. Ulaczyk, D. Steeghs, D. Galloway, V. Dhillon, P. O'Brien, 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_2026bku - 2026-02-23 04:57:11 P200 / NGPS (ZTF)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-2_L
 ▌GOTO-N_GOTO-1_L
 ▌P48_ZTF-Cam_r
 ▌ATLAS-MLO_ATLAS-01_orange
   
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
23064 2026-02-23 04:57:11 P200 / NGPS Sam Rose Sam Rose ZTF tns_2026bku_2026-02-23_04-57-11_P200_NGPS_ZTF.ascii Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-N_GOTO-2 2026-01-15 22:38:06 - 2026-01-15 22:38:06 2461056.443127 - 2461056.443127 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
554066 2026-01-15 22:38:06 2461056.443127 19.79 0.12 ABMag L-GOTO GOTO-N_GOTO-2 360
L-GOTO GOTO-N_GOTO-1 2026-01-14 23:43:31 - 2026-01-14 23:43:31 2461055.488554 - 2461055.488554 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
554065 2026-01-14 23:43:31 2461055.488554 20.4 ABMag L-GOTO GOTO-N_GOTO-1 180 [Last non detection]
r-ZTF P48_ZTF-Cam 2026-01-14 08:09:05 - 2026-02-02 05:54:09 2461054.8396412 - 2461073.7459375 3
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
555427 2026-02-02 05:54:09 2461073.7459375 18.6751 0.145629 ABMag r-ZTF P48_ZTF-Cam
555426 2026-01-16 07:02:38 2461056.7934954 20.3574 0.20676 ABMag r-ZTF P48_ZTF-Cam
555425 2026-01-14 08:09:05 2461054.8396412 20.3465 ABMag r-ZTF P48_ZTF-Cam [Last non detection]
orange-ATLAS ATLAS-MLO_ATLAS-01 2026-01-30 09:02:11 - 2026-02-05 10:47:20 2461070.87652 - 2461076.94954 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
556591 2026-02-05 10:47:20 2461076.94954 18.463 0.155 19.09 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 30 Robot
556590 2026-01-30 09:02:11 2461070.87652 18.82 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 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
290303 2026-02-08 12:42:11 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland (IfA, University of Hawaii) et al. ATLAS ATLAS 07:44:54.518 -00:03:26.25 2026-02-05 10:47:20.256 18.463 orange-ATLAS PSN ATLAS26bmc ATLAS N
289779 2026-02-02 06:47:00 Fritz Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU) et al. ZTF ZTF 07:44:54.548 -00:03:27.22 2026-01-16 07:02:38.002 20.3574 r-ZTF PSN ZTF26aadqfik ZTF N
289060 2026-01-26 14:53:58 GOTO_bot G. Ramsay, D. O'Neill, K. Ackley et al. GOTO GOTO 07:44:54.564 -00:03:27.61 2026-01-15 22:38:06.432 19.79 L-GOTO Other GOTO26wy GOTO 2026TNSTR.341....1R N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
23063 2026-02-24 00:17:10 ZTF_Bot1 S. Rose, J. Castaneda Jaimes, C. Fremling (Caltech) on behalf of the Zwicky Transient Facility (ZTF) ZTF SN Ib 0.027696 1 ZTF 2026TNSCR.797....1R
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
23064 2026-02-23 04:57:11 P200 / NGPS Sam Rose Sam Rose ZTF tns_2026bku_2026-02-23_04-57-11_P200_NGPS_ZTF.ascii Object

Comments

TNS
System

Mon, 02/02/2026 - 06:47

Object coordinates updated

Object coordinates updated according to AT-report 289779 of Group ZTF
Previous RA, DEC: 07:44:54.564, -00:03:27.61 (116.227348, -0.057669)
Updated RA, DEC: 07:44:54.548, -00:03:27.22 (116.2272834, -0.0575615)