RA/DEC (2000)
10:53:49.091 +09:13:39.71
163.454545637 +9.22769684447
Type
SN Ia-91T-like
Redshift
0.063695
Discovery ReportClassification Report
Reporting Group
Pan-STARRS
Discovering Data Source
Pan-STARRS
Discovery Date
2026-01-28 10:29:53.088
TNS AT
Y
Public
Y
Discovery Mag
20.72
Filter
w-P1
Reporter/s
K. C. Chambers, T. de Boer, J. Fairlamb, M. Huber, C.-C. Lin, T. Lowe, E. Magnier, P. Minguez, G. Paek, A. Schultz, I. A. Smith, R. J. Wainscoat (IfA, University of Hawaii), S. J. Smartt, K. W. Smith (University of Oxford / Queen's University Belfast), S. Srivastav (University of Oxford), D. R. Young, M. Fulton, M. Nicholl, T. Moore, J. Weston, C. R. Angus (Queen's University Belfast)
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2026buk - 2026-02-07 07:07:01 P60 / SEDM (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

 ▌ATLAS-TDO_ATLAS-05_wide
 ▌LAST_LAST-Cam_Clear
 ▌PS2_GPC2_w
 ▌GOTO-N_GOTO-1_L
 ▌BG4_BlackGEM-Cam4_BG-q
 ▌BG3_BlackGEM-Cam3_BG-q
 ▌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
23006 2026-02-07 07:07:01 P60 / SEDM 2700 SEDmRobot ZTF tns_2026buk_2026-02-07_07-07-01.387871_P60_SEDM_ZTF.ascii Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
wide-ATLAS ATLAS-TDO_ATLAS-05 2026-02-08 03:44:23 - 2026-02-09 01:46:04 2461079.65582 - 2461080.57366 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
557241 2026-02-09 01:46:04 2461080.57366 18.06 0.042 20.05 ABMag wide-ATLAS ATLAS-TDO_ATLAS-05 30 Robot
557240 2026-02-08 03:44:23 2461079.65582 19.72 ABMag wide-ATLAS ATLAS-TDO_ATLAS-05 30 Robot [Last non detection]
Clear- LAST_LAST-Cam 2024-03-12 21:09:04 - 2026-02-19 20:35:48 2460382.3813 - 2461091.3582 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
559623 2026-02-19 20:35:48 2461091.3582 18.2 ABMag Clear- LAST_LAST-Cam 400
559622 2024-03-12 21:09:04 2460382.3813 21.89 ABMag Clear- LAST_LAST-Cam 8780 [Last non detection]
w-P1 PS2_GPC2 2026-01-28 10:29:53 - 2026-01-28 10:29:53 2461068.93742 - 2461068.93742 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
554924 2026-01-28 10:29:53 2461068.93742 20.72 0.15 22 ABMag w-P1 PS2_GPC2 45 Robot
L-GOTO GOTO-N_GOTO-1 2026-01-28 03:43:49 - 2026-01-29 05:03:41 2461068.655427 - 2461069.710887 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
556261 2026-01-29 05:03:41 2461069.710887 19.91 0.16 ABMag L-GOTO GOTO-N_GOTO-1 180
556260 2026-01-28 03:43:49 2461068.655427 20.2 ABMag L-GOTO GOTO-N_GOTO-1 180 [Last non detection]
BG-q-BlackGem BG4_BlackGEM-Cam4 2026-03-24 03:34:30 - 2026-03-24 03:34:30 2461123.6489583 - 2461123.6489583 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
569603 2026-03-24 03:34:30 2461123.6489583 19.47 0.09 20.84 ABMag BG-q-BlackGem BG4_BlackGEM-Cam4 60 robotic
BG-q-BlackGem BG3_BlackGEM-Cam3 2025-12-30 07:51:25 - 2025-12-30 07:51:25 2461039.8273727 - 2461039.8273727 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
569602 2025-12-30 07:51:25 2461039.8273727 20.81 ABMag BG-q-BlackGem BG3_BlackGEM-Cam3 60 robotic [Last non detection]
r-ZTF P48_ZTF-Cam 2026-01-30 10:58:36 - 2026-02-01 08:03:13 2461070.9573611 - 2461072.8355671 3
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
556873 2026-02-01 08:03:13 2461072.8355671 18.8902 0.212753 18.808 ABMag r-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF, classified by Fink
555208 2026-01-30 10:58:36 2461070.9573611 19.9615 0.188155 ABMag r-ZTF P48_ZTF-Cam
556872 2026-01-30 10:58:36 2461070.9573611 19.5998 ABMag r-ZTF P48_ZTF-Cam 30 Robot [Last non detection] Data provided by ZTF, classified by Fink
g-ZTF P48_ZTF-Cam 2026-01-30 09:07:51 - 2026-02-01 09:09:42 2461070.8804514 - 2461072.8817361 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
555209 2026-02-01 09:09:42 2461072.8817361 18.9376 0.192047 ABMag g-ZTF P48_ZTF-Cam
555207 2026-01-30 09:07:51 2461070.8804514 19.1499 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
297127 2026-03-24 09:33:08 BlackGEM_Bot1 P. Groot, H. Tranin, F. Stoppa et al. BlackGEM BlackGEM 10:53:49.069 +09:13:40.04 2026-03-24 03:34:30.000 19.47 BG-q-BlackGem PSN BGEM J105349.07+091340.0 BlackGEM N
291971 2026-02-19 21:12:12 LAST_Bot1 E. A. Zimmerman (WIS), R. Konno (WIS), A. Horowicz (WIS) et al. LAST LAST 10:53:49.098 +09:13:39.51 2026-02-19 20:35:48.480 18.2 Clear- PSN LAST N
290666 2026-02-10 00:49:16 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland (IfA, University of Hawaii) et al. ATLAS ATLAS 10:53:49.109 +09:13:39.82 2026-02-09 01:46:04.224 18.06 wide-ATLAS PSN ATLAS26boi ATLAS N
290490 2026-02-08 19:46:54 Fink Julien Peloton, Anais Moller, Emille E. O. Ishida on behalf of the Fink broker Fink ZTF 10:53:49.106 +09:13:39.71 2026-02-01 08:03:12.997 18.8902 r-ZTF PSN ZTF26aaenpqj ZTF Early SN Ia candidate classified by Fink using the public ZTF stream. Object data at https://fink-portal.org/ZTF26aaenpqj N
290166 2026-02-07 08:45:55 GOTO_bot G. Ramsay, K. Ackley, M. Dyer et al. GOTO GOTO 10:53:49.075 +09:13:39.78 2026-01-29 05:03:40.896 19.91 L-GOTO Other GOTO26amh GOTO N
289654 2026-02-01 10:19:11 Fritz Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU) et al. ZTF ZTF 10:53:49.119 +09:13:39.73 2026-01-30 10:58:35.999 19.9615 r-ZTF PSN ZTF26aaenpqj ZTF N
289502 2026-01-31 00:51:38 PS1_Bot1 K. C. Chambers, T. de Boer, J. Fairlamb et al. Pan-STARRS Pan-STARRS 10:53:49.091 +09:13:39.71 2026-01-28 10:29:53.088 20.72 w-P1 PSN PS26nv Pan-STARRS 2026TNSTR.415....1C N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
23005 2026-02-17 23:41:06 ZTF_Bot1 J. Sollerman, J. Castaneda Jaimes, C. Fremling (Caltech) on behalf of the Zwicky Transient Facility (ZTF) ZTF SN Ia-91T-like 0.063695 1 ZTF 2026TNSCR.689....1S
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
23006 2026-02-07 07:07:01 P60 / SEDM 2700 SEDmRobot ZTF tns_2026buk_2026-02-07_07-07-01.387871_P60_SEDM_ZTF.ascii Object

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