RA/DEC (2000)
04:30:50.860 -05:48:13.69
67.7119161965 -5.80380224671
Type
SN IIb
Redshift
0.014823
Discovery ReportClassification Report
Reporting Group
Pan-STARRS
Discovering Data Source
Pan-STARRS
Discovery Date
2026-01-30 05:22:13.728
TNS AT
Y
Public
Y
Discovery Mag
20.24
Filter
z-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_2026bwq - 2026-02-05 05:04:51 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

 ▌GOTO-S_GOTO-3_L
 ▌PS2_GPC2_z
 ▌ATLAS-STH_ATLAS-03_orange
 ▌P48_ZTF-Cam_r
 ▌P48_ZTF-Cam_g
 ▌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
22919 2026-02-05 05:04:51 P60 / SEDM 2700 SEDmRobot auto ZTF tns_2026bwq_2026-02-05_05-04-51.493312_P60_SEDM_ZTF.ascii Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-S_GOTO-3 2026-01-29 11:08:34 - 2026-02-04 10:37:10 2461069.964281 - 2461075.942478 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
557190 2026-02-04 10:37:10 2461075.942478 18.9 0.07 ABMag L-GOTO GOTO-S_GOTO-3 180
557189 2026-01-29 11:08:34 2461069.964281 19.4 ABMag L-GOTO GOTO-S_GOTO-3 180 [Last non detection]
z-P1 PS2_GPC2 2026-01-30 05:22:14 - 2026-01-30 05:22:14 2461070.72377 - 2461070.72377 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
555206 2026-01-30 05:22:14 2461070.72377 20.24 0.16 20.4 ABMag z-P1 PS2_GPC2 45 Robot
orange-ATLAS ATLAS-STH_ATLAS-03 2026-01-31 21:11:25 - 2026-01-31 21:11:25 2461072.38293 - 2461072.38293 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
555813 2026-01-31 21:11:25 2461072.38293 18.33 ABMag orange-ATLAS ATLAS-STH_ATLAS-03 30 Robot [Last non detection]
r-ZTF P48_ZTF-Cam 2026-02-02 06:30:19 - 2026-02-02 06:30:19 2461073.7710532 - 2461073.7710532 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
555424 2026-02-02 06:30:19 2461073.7710532 18.8766 0.18535 ABMag r-ZTF P48_ZTF-Cam
g-ZTF P48_ZTF-Cam 2026-01-31 03:26:46 - 2026-02-02 03:26:49 2461071.643588 - 2461073.6436227 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
555423 2026-02-02 03:26:49 2461073.6436227 19.4121 0.145973 ABMag g-ZTF P48_ZTF-Cam
555422 2026-01-31 03:26:46 2461071.643588 19.0677 ABMag g-ZTF P48_ZTF-Cam [Last non detection]
orange-ATLAS ATLAS-MLO_ATLAS-01 2026-02-04 08:31:13 - 2026-02-04 08:31:13 2461075.85501 - 2461075.85501 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
555814 2026-02-04 08:31:13 2461075.85501 18.359 0.139 19 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 30 Robot
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
290641 2026-02-09 21:25:07 GOTO_bot D. O'Neill, K. Ackley, M. Dyer et al. GOTO GOTO 04:30:50.848 -05:48:13.65 2026-02-04 10:37:10.272 18.9 L-GOTO Other GOTO26ale GOTO N
289958 2026-02-04 21:01:37 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland (IfA, University of Hawaii) et al. ATLAS ATLAS 04:30:50.870 -05:48:13.82 2026-02-04 08:31:12.864 18.359 orange-ATLAS PSN ATLAS26bio ATLAS N
289778 2026-02-02 06:45:12 Fritz Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU) et al. ZTF ZTF 04:30:50.852 -05:48:13.88 2026-02-02 03:26:49.001 19.4121 g-ZTF PSN ZTF26aaerdmg ZTF N
289653 2026-02-01 09:49:08 PS1_Bot1 K. C. Chambers, T. de Boer, J. Fairlamb et al. Pan-STARRS Pan-STARRS 04:30:50.860 -05:48:13.69 2026-01-30 05:22:13.728 20.24 z-P1 PSN PS26pg Pan-STARRS 2026TNSTR.428....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
22918 2026-02-05 08:06:35 ZTF_Bot1 J. Sollerman, J. Castaneda Jaimes, C. Fremling (Caltech) on behalf of the Zwicky Transient Facility (ZTF) ZTF SN IIb 0.014823 1 ZTF 2026TNSCR.494....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
22919 2026-02-05 05:04:51 P60 / SEDM 2700 SEDmRobot auto ZTF tns_2026bwq_2026-02-05_05-04-51.493312_P60_SEDM_ZTF.ascii Object

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