RA/DEC (2000)
14:21:42.627 +32:33:49.75
215.427614179 +32.5638205323
Type
SN Ia
Redshift
0.083
Reporting Group
GOTO
Discovering Data Source
GOTO
Discovery Date
2026-01-23 06:13:29.568
TNS AT
Y
Public
Y
Discovery Mag
19.89
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

Spectra

 SN_2026bhb - 2026-02-01 12:33:29 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
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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-N_GOTO-2_L
 P48_ZTF-Cam_r
 P48_ZTF-Cam_g
 ATLAS-HKO_ATLAS-02_orange
 PS1_GPC1_i
   
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
22894 2026-02-01 12:33:29 P60 / SEDM 2700 SEDmRobot auto ZTF tns_2026bhb_2026-02-01_12-33-29.166328_P60_SEDM_ZTF.ascii Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
wide-ATLAS ATLAS-TDO_ATLAS-05 2026-01-30 02:39:28 - 2026-01-30 02:39:28 2461070.61074 - 2461070.61074 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
554912 2026-01-30 02:39:28 2461070.61074 18.929 0.18 19.02 ABMag wide-ATLAS ATLAS-TDO_ATLAS-05 30 Robot
L-GOTO GOTO-N_GOTO-2 2026-01-16 05:40:55 - 2026-01-23 06:13:30 2461056.736751 - 2461063.75937 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
553552 2026-01-23 06:13:30 2461063.75937 19.89 0.19 ABMag L-GOTO GOTO-N_GOTO-2 180
553551 2026-01-16 05:40:55 2461056.736751 19.9 ABMag L-GOTO GOTO-N_GOTO-2 180 [Last non detection]
r-ZTF P48_ZTF-Cam 2026-01-20 11:38:35 - 2026-01-20 11:38:35 2461060.9851273 - 2461060.9851273 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
553804 2026-01-20 11:38:35 2461060.9851273 20.7556 0.177103 ABMag r-ZTF P48_ZTF-Cam
g-ZTF P48_ZTF-Cam 2026-01-20 09:38:17 - 2026-01-25 13:23:06 2461060.9015856 - 2461066.0577083 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
553805 2026-01-25 13:23:06 2461066.0577083 19.4481 0.112041 ABMag g-ZTF P48_ZTF-Cam
553803 2026-01-20 09:38:17 2461060.9015856 20.1242 ABMag g-ZTF P48_ZTF-Cam [Last non detection]
orange-ATLAS ATLAS-HKO_ATLAS-02 2026-01-29 12:57:59 - 2026-01-29 12:57:59 2461070.04027 - 2461070.04027 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
554911 2026-01-29 12:57:59 2461070.04027 18.93 ABMag orange-ATLAS ATLAS-HKO_ATLAS-02 30 Robot [Last non detection]
i-P1 PS1_GPC1 2026-02-06 15:19:57 - 2026-02-06 15:19:57 2461078.13885 - 2461078.13885 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
556717 2026-02-06 15:19:57 2461078.13885 19.34 0.1 20.7 ABMag i-P1 PS1_GPC1 45 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
290366 2026-02-08 13:29:37 PS1_Bot1 K. C. Chambers, T. de Boer, J. Fairlamb et al. Pan-STARRS Pan-STARRS 14:21:42.627 +32:33:49.75 2026-02-06 15:19:56.640 19.34 i-P1 PSN PS26ua Pan-STARRS N
289491 2026-01-30 22:27:53 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland (IfA, University of Hawaii) et al. ATLAS ATLAS 14:21:42.616 +32:33:50.05 2026-01-30 02:39:27.936 18.929 wide-ATLAS PSN ATLAS26bgr ATLAS N
288922 2026-01-25 13:56:19 Fritz Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU) et al. ZTF ZTF 14:21:42.638 +32:33:49.78 2026-01-20 11:38:34.998 20.7556 r-ZTF PSN ZTF26aadswkn ZTF N
288816 2026-01-25 06:28:58 GOTO_bot D. O'Neill, K. Ackley, M. Dyer et al. GOTO GOTO 14:21:42.667 +32:33:50.09 2026-01-23 06:13:29.568 19.89 L-GOTO Other GOTO26aao GOTO 2026TNSTR.326....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
22893 2026-02-01 19:10:25 ZTF_Bot1 J. Sollerman, S. Covarrubias, M. Chu, C. Fremling (Caltech) on behalf of the Zwicky Transient Facility (ZTF) ZTF SN Ia 0.083 1 ZTF 2026TNSCR.434....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
22894 2026-02-01 12:33:29 P60 / SEDM 2700 SEDmRobot auto ZTF tns_2026bhb_2026-02-01_12-33-29.166328_P60_SEDM_ZTF.ascii Object

Comments

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 290366 of Group Pan-STARRS
Previous RA, DEC: 14:21:42.638, +32:33:49.78 (215.4276581, +32.5638275)
Updated RA, DEC: 14:21:42.627, +32:33:49.75 (215.427614179, +32.5638205323)

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 288922 of Group ZTF
Previous RA, DEC: 14:21:42.667, +32:33:50.09 (215.42778, +32.563914)
Updated RA, DEC: 14:21:42.638, +32:33:49.78 (215.4276581, +32.5638275)