RA/DEC (2000)
12:35:39.043 +05:02:21.77
188.912677148 +5.03938011986
Type
SN Ia
Redshift
0.065226
Discovery ReportClassification Report
Reporting Group
GOTO
Discovering Data Source
GOTO
Discovery Date
2026-01-24 05:32:27.168
TNS AT
Y
Public
Y
Discovery Mag
19.57
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_2026bhk - 2026-02-02 09:25:07 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
 ▌PS2_GPC2_w
 ▌ATLAS-STH_ATLAS-03_orange
 ▌GOTO-N_GOTO-1_L
 ▌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
22899 2026-02-02 09:25:07 P60 / SEDM 2700 SEDmRobot auto ZTF tns_2026bhk_2026-02-02_09-25-06.879306_P60_SEDM_ZTF.ascii Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
wide-ATLAS ATLAS-TDO_ATLAS-05 2026-01-28 03:55:42 - 2026-01-28 03:55:42 2461068.66368 - 2461068.66368 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
554424 2026-01-28 03:55:42 2461068.66368 18.767 0.088 20.32 ABMag wide-ATLAS ATLAS-TDO_ATLAS-05 30 Robot
w-P1 PS2_GPC2 2026-01-20 13:34:35 - 2026-01-20 13:34:35 2461061.06568 - 2461061.06568 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
557286 2026-01-20 13:34:35 2461061.06568 20.85 0.07 22 ABMag w-P1 PS2_GPC2 45 Robot
orange-ATLAS ATLAS-STH_ATLAS-03 2026-01-26 02:21:52 - 2026-01-26 02:21:52 2461066.59852 - 2461066.59852 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
554423 2026-01-26 02:21:52 2461066.59852 19.37 ABMag orange-ATLAS ATLAS-STH_ATLAS-03 30 Robot [Last non detection]
L-GOTO GOTO-N_GOTO-1 2026-01-22 05:20:25 - 2026-01-24 05:32:27 2461062.722506 - 2461064.73087 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
553570 2026-01-24 05:32:27 2461064.73087 19.57 0.14 ABMag L-GOTO GOTO-N_GOTO-1 180
553569 2026-01-22 05:20:25 2461062.722506 20 ABMag L-GOTO GOTO-N_GOTO-1 180 [Last non detection]
r-ZTF P48_ZTF-Cam 2026-01-20 11:30:33 - 2026-01-20 11:30:33 2461060.9795486 - 2461060.9795486 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
553725 2026-01-20 11:30:33 2461060.9795486 20.442 ABMag r-ZTF P48_ZTF-Cam [Last non detection]
g-ZTF P48_ZTF-Cam 2026-01-21 10:52:43 - 2026-01-25 09:54:22 2461061.9532755 - 2461065.9127546 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
553727 2026-01-25 09:54:22 2461065.9127546 19.2467 0.122583 ABMag g-ZTF P48_ZTF-Cam
553726 2026-01-21 10:52:43 2461061.9532755 20.604 0.166956 ABMag g-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
290701 2026-02-10 08:05:58 PS1_Bot1 K. C. Chambers, T. de Boer, J. Fairlamb et al. Pan-STARRS Pan-STARRS 12:35:39.043 +05:02:21.77 2026-01-20 13:34:34.752 20.85 w-P1 PSN PS26zz Pan-STARRS N
289237 2026-01-28 17:14:05 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland (IfA, University of Hawaii) et al. ATLAS ATLAS 12:35:39.053 +05:02:21.79 2026-01-28 03:55:41.952 18.767 wide-ATLAS PSN ATLAS26bel ATLAS N
288890 2026-01-25 10:38:29 Fritz Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU) et al. ZTF ZTF 12:35:39.044 +05:02:21.72 2026-01-21 10:52:43.003 20.604 g-ZTF PSN ZTF26aadsfln ZTF N
288825 2026-01-25 06:42:54 GOTO_bot D. O'Neill, K. Ackley, M. Dyer et al. GOTO GOTO 12:35:39.062 +05:02:22.57 2026-01-24 05:32:27.168 19.57 L-GOTO Other GOTO26xr 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
22898 2026-02-02 10:23:21 ZTF_Bot1 J. Sollerman, S. Covarrubias, M. Chu, C. Fremling (Caltech) on behalf of the Zwicky Transient Facility (ZTF) ZTF SN Ia 0.065226 1 ZTF 2026TNSCR.447....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
22899 2026-02-02 09:25:07 P60 / SEDM 2700 SEDmRobot auto ZTF tns_2026bhk_2026-02-02_09-25-06.879306_P60_SEDM_ZTF.ascii Object

Comments

TNS
System

Tue, 02/10/2026 - 08:05

Object coordinates updated

Object coordinates updated according to AT-report 290701 of Group Pan-STARRS
Previous RA, DEC: 12:35:39.044, +05:02:21.72 (188.9126816, +5.0393653)
Updated RA, DEC: 12:35:39.043, +05:02:21.77 (188.912677148, +5.03938011986)

TNS
System

Sun, 01/25/2026 - 10:38

Object coordinates updated

Object coordinates updated according to AT-report 288890 of Group ZTF
Previous RA, DEC: 12:35:39.062, +05:02:22.57 (188.912759, +5.039603)
Updated RA, DEC: 12:35:39.044, +05:02:21.72 (188.9126816, +5.0393653)