RA/DEC (2000)
12:18:03.515 +50:27:10.08
184.514646225 +50.4527999
Type
SN Ia
Redshift
0.029621
Discovery ReportClassification Report
Reporting Group
GOTO
Discovering Data Source
GOTO
Discovery Date
2026-01-25 03:29:20.832
TNS AT
Y
Public
Y
Discovery Mag
19.93
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_2026bjz - 2026-02-02 06:25:31 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
 ▌WFST_WFST-WFC_r
 ▌LAST_LAST-Cam_Clear
 ▌GOTO-N_GOTO-2_L
 ▌GOTO-N_GOTO-1_L
 ▌P48_ZTF-Cam_r
 ▌P48_ZTF-Cam_g
 ▌Other_Other_Other
   
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
22897 2026-02-02 06:25:31 P60 / SEDM 2160 SEDmRobot auto ZTF tns_2026bjz_2026-02-02_06-25-31.232854_P60_SEDM_ZTF.ascii Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
wide-ATLAS ATLAS-TDO_ATLAS-05 2026-01-26 03:48:31 - 2026-01-29 03:04:30 2461066.65869 - 2461069.62812 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
554724 2026-01-29 03:04:30 2461069.62812 17.796 0.079 18.93 ABMag wide-ATLAS ATLAS-TDO_ATLAS-05 30 Robot
554723 2026-01-26 03:48:31 2461066.65869 20.02 ABMag wide-ATLAS ATLAS-TDO_ATLAS-05 30 Robot [Last non detection]
r-WFST WFST_WFST-WFC 2026-02-01 18:25:55 - 2026-02-01 18:25:55 2461073.268 - 2461073.268 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
568253 2026-02-01 18:25:55 2461073.268 17.23 0.02 ABMag r-WFST WFST_WFST-WFC 30
Clear- LAST_LAST-Cam 2026-02-07 23:00:05 - 2026-02-18 22:35:29 2461079.45839 - 2461090.44131 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
559424 2026-02-18 22:35:29 2461090.44131 17.4 ABMag Clear- LAST_LAST-Cam 400
559423 2026-02-07 23:00:05 2461079.45839 19.7 ABMag Clear- LAST_LAST-Cam 400 [Last non detection]
L-GOTO GOTO-N_GOTO-2 2026-01-25 03:29:21 - 2026-01-25 03:29:21 2461065.645378 - 2461065.645378 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
553928 2026-01-25 03:29:21 2461065.645378 19.93 0.2 ABMag L-GOTO GOTO-N_GOTO-2 180
L-GOTO GOTO-N_GOTO-1 2026-01-20 06:06:07 - 2026-01-20 06:06:07 2461060.754247 - 2461060.754247 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
553927 2026-01-20 06:06:07 2461060.754247 20.6 ABMag L-GOTO GOTO-N_GOTO-1 360 [Last non detection]
r-ZTF P48_ZTF-Cam 2026-01-21 13:16:40 - 2026-01-21 13:16:40 2461062.0532407 - 2461062.0532407 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
554667 2026-01-21 13:16:40 2461062.0532407 19.0284 ABMag r-ZTF P48_ZTF-Cam [Last non detection]
g-ZTF P48_ZTF-Cam 2026-01-20 10:09:50 - 2026-01-30 08:38:53 2461060.9234954 - 2461070.8603356 4
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
554669 2026-01-30 08:38:53 2461070.8603356 17.6582 0.0841663 ABMag g-ZTF P48_ZTF-Cam
554668 2026-01-25 10:13:50 2461065.9262731 20.4502 0.160628 ABMag g-ZTF P48_ZTF-Cam
555288 2026-01-25 10:13:50 2461065.9262731 20.3358 0.240787 20.3429 ABMag g-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF, classified by Fink
555287 2026-01-20 10:09:50 2461060.9234954 20.5941 ABMag g-ZTF P48_ZTF-Cam 30 Robot [Last non detection] Data provided by ZTF, classified by Fink
Other- Other_Other 2012-02-16 20:23:16 - 2026-02-09 11:02:53 2455974.34949 - 2461080.96033 3
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
557413 2026-02-09 11:02:53 2461080.96033 16.3 19.7 VegaMag Other- Other_Other 60 Robot MASTER-OAGH
557412 2026-02-09 10:45:05 2461080.94798 16.3 19.7 VegaMag Other- Other_Other 60 Robot MASTER-OAGH
557411 2012-02-16 20:23:16 2455974.34949 20.3 VegaMag Other- Other_Other 180 Robot [Last non detection] MASTER-OAGH
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
296406 2026-03-20 10:34:52 WFST_SN Zelin Xu, Dezheng Meng, Ji-an Jiang et al. WFST WFST 12:18:03.520 +50:27:09.93 2026-02-01 18:25:55.200 17.23 r-WFST PSN WFST260201srxb WFST N
291856 2026-02-19 05:22:16 LAST_Bot1 E. O. Ofek (WIS), R. Konno (WIS), E. A. Zimmerman (WIS) et al. LAST LAST 12:18:03.479 +50:27:09.74 2026-02-18 22:35:29.184 17.4 Clear- PSN LAST N
290768 2026-02-10 15:01:52 MASTER T.Migal, Ya.Kechin, V.Lipunov et al. MASTER MASTER 12:18:03.510 +50:27:10.10 2026-02-09 10:45:05.472 16.3 Other- PSN MASTER OT J121803.51+502710.1 MASTER N
289690 2026-02-01 19:46:21 Fink Julien Peloton, Anais Moller, Emille E. O. Ishida on behalf of the Fink broker Fink ZTF 12:18:03.515 +50:27:10.08 2026-01-25 10:13:49.996 20.3358 g-ZTF PSN ZTF26aadsjom ZTF Early SN Ia candidate classified by Fink using the public ZTF stream. Object data at https://fink-portal.org/ZTF26aadsjom N
289388 2026-01-30 11:51:08 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland (IfA, University of Hawaii) et al. ATLAS ATLAS 12:18:03.536 +50:27:09.58 2026-01-29 03:04:29.568 17.796 wide-ATLAS PSN ATLAS26bft ATLAS N
289362 2026-01-30 08:47:16 BTSbot_bot Nabeel Rehemtulla (CIERA, NU), Wynn Jacobson-Galán (Caltech), Theophile du Laz (Caltech) on behalf of ZTF ZTF ZTF 12:18:03.524 +50:27:09.89 2026-01-25 10:13:49.995 20.4502 g-ZTF PSN ZTF26aadsjom ZTF Bright (m_peak <= 18.5) transient candidate identified autonomously by BTSbot (Rehemtulla et al. 2024; arXiv:2401.15167). N
288978 2026-01-26 08:50:46 GOTO_bot G. Ramsay, D. O'Neill, K. Ackley et al. GOTO GOTO 12:18:03.517 +50:27:10.14 2026-01-25 03:29:20.832 19.93 L-GOTO Other GOTO26aea 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
22896 2026-02-02 07:10:21 ZTF_Bot1 C. Fremling, D. Neill, Y. Sharma on behalf of the SEDM Team (Caltech) and the Zwicky Transient Facility (ZTF) based on SNIascore ZTF SN Ia 0.029621 1 ZTF 2026TNSCR.446....1F
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
22897 2026-02-02 06:25:31 P60 / SEDM 2160 SEDmRobot auto ZTF tns_2026bjz_2026-02-02_06-25-31.232854_P60_SEDM_ZTF.ascii Object

Comments

TNS
System

Sun, 02/01/2026 - 19:46

Object coordinates updated

Object coordinates updated according to AT-report 289690 of Group ZTF
Previous RA, DEC: 12:18:03.524, +50:27:09.89 (184.5146836, +50.4527483)
Updated RA, DEC: 12:18:03.515, +50:27:10.08 (184.514646225, +50.4527999)

TNS
System

Fri, 01/30/2026 - 08:47

Object coordinates updated

Object coordinates updated according to AT-report 289362 of Group ZTF
Previous RA, DEC: 12:18:03.517, +50:27:10.14 (184.514653, +50.452818)
Updated RA, DEC: 12:18:03.524, +50:27:09.89 (184.5146836, +50.4527483)