RA/DEC (2000)
16:01:27.332 +17:14:23.32
240.36388152 +17.2398119332
Type
SN Ia
Redshift
0.036005
Discovery ReportClassification Report
Reporting Group
GOTO
Discovering Data Source
GOTO
Discovery Date
2026-03-08 03:07:03.360
TNS AT
Y
Public
Y
Discovery Mag
19.18
Filter
L-GOTO
Reporter/s
D. O'Neill, G. Ramsay, 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_2026fbn - 2026-03-12 08:09:04 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
 ▌PS2_GPC2_i
 ▌GOTO-N_GOTO-1_L
 ▌BG3_BlackGEM-Cam3_BG-q
 ▌BG2_BlackGEM-Cam2_BG-q
 ▌P48_ZTF-Cam_r
 ▌P48_ZTF-Cam_g
 ▌ATLAS-MLO_ATLAS-01_orange
 ▌PS1_GPC1_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
23184 2026-03-12 08:09:04 P60 / SEDM 2700 SEDmRobot auto ZTF tns_2026fbn_2026-03-12_08-09-03.612989_P60_SEDM_ZTF.ascii Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
wide-ATLAS ATLAS-TDO_ATLAS-05 2026-03-08 05:25:18 - 2026-03-08 05:25:18 2461107.7259 - 2461107.7259 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
563639 2026-03-08 05:25:18 2461107.7259 19.05 ABMag wide-ATLAS ATLAS-TDO_ATLAS-05 30 Robot [Last non detection]
r-WFST WFST_WFST-WFC 2026-03-26 18:56:10 - 2026-03-26 18:56:10 2461126.289 - 2461126.289 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
581446 2026-03-26 18:56:10 2461126.289 16.89 0.01 ABMag r-WFST WFST_WFST-WFC 30
i-P1 PS2_GPC2 2026-03-28 11:27:54 - 2026-03-28 11:27:54 2461127.97771 - 2461127.97771 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
572330 2026-03-28 11:27:54 2461127.97771 17.61 0.03 20.7 ABMag i-P1 PS2_GPC2 45 Robot
L-GOTO GOTO-N_GOTO-1 2026-03-07 03:30:42 - 2026-03-08 03:07:03 2461106.64632 - 2461107.629903 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
563413 2026-03-08 03:07:03 2461107.629903 19.18 0.16 ABMag L-GOTO GOTO-N_GOTO-1 180
563412 2026-03-07 03:30:42 2461106.64632 19.4 ABMag L-GOTO GOTO-N_GOTO-1 180 [Last non detection]
BG-q-BlackGem BG3_BlackGEM-Cam3 2026-03-11 07:05:59 - 2026-03-11 07:05:59 2461110.7958218 - 2461110.7958218 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
564039 2026-03-11 07:05:59 2461110.7958218 18.34 0.05 20.33 ABMag BG-q-BlackGem BG3_BlackGEM-Cam3 60 robotic
BG-q-BlackGem BG2_BlackGEM-Cam2 2026-03-06 08:53:40 - 2026-03-06 08:53:40 2461105.8706019 - 2461105.8706019 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
564038 2026-03-06 08:53:40 2461105.8706019 19.98 ABMag BG-q-BlackGem BG2_BlackGEM-Cam2 60 robotic [Last non detection]
r-ZTF P48_ZTF-Cam 2026-03-11 12:04:24 - 2026-03-11 12:04:24 2461111.0030556 - 2461111.0030556 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
564020 2026-03-11 12:04:24 2461111.0030556 18.1271 0.056417 ABMag r-ZTF P48_ZTF-Cam
g-ZTF P48_ZTF-Cam 2026-03-08 12:24:52 - 2026-03-11 10:10:27 2461108.0172685 - 2461110.9239236 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
564019 2026-03-11 10:10:27 2461110.9239236 18.2216 0.0627044 ABMag g-ZTF P48_ZTF-Cam
564018 2026-03-08 12:24:52 2461108.0172685 19.3683 ABMag g-ZTF P48_ZTF-Cam [Last non detection]
orange-ATLAS ATLAS-MLO_ATLAS-01 2026-03-09 13:41:58 - 2026-03-09 13:41:58 2461109.07081 - 2461109.07081 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
563640 2026-03-09 13:41:58 2461109.07081 18.742 0.139 19.31 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 30 Robot
g-P1 PS1_GPC1 2026-05-20 08:38:27 - 2026-05-20 08:38:27 2461180.86003 - 2461180.86003 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
584232 2026-05-20 08:38:27 2461180.86003 19.93 0.12 21 ABMag g-P1 PS1_GPC1 27 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
304716 2026-05-20 19:33:50 YSE_Bot1 D. O. Jones (UC Santa Cruz), K. D. French (Carnegie, Illinois), A. Agnello et al. YSE Pan-STARRS 16:01:27.332 +17:14:23.32 2026-05-20 08:38:26.592 19.93 g-P1 PSN PS26asg Pan-STARRS N
303208 2026-05-11 12:54:59 WFST_SN Zelin Xu, Dezheng Meng, Ji-an Jiang et al. WFST WFST 16:01:27.330 +17:14:23.36 2026-03-26 18:56:09.600 16.89 r-WFST PSN WFST260326nxyc WFST N
298558 2026-04-05 07:26:26 PS1_Bot1 K. C. Chambers, T. de Boer, J. Fairlamb et al. Pan-STARRS Pan-STARRS 16:01:27.336 +17:14:23.38 2026-03-28 11:27:54.144 17.61 i-P1 PSN PS26asg Pan-STARRS N
294192 2026-03-11 14:50:03 BlackGEM_Bot1 H. Tranin, F. Stoppa, D. Pieterse et al. BlackGEM BlackGEM 16:01:27.328 +17:14:23.23 2026-03-11 07:05:59.000 18.34 BG-q-BlackGem PSN BGEM J160127.33+171423.2 BlackGEM N
294185 2026-03-11 12:59:01 Fritz Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU) et al. ZTF ZTF 16:01:27.340 +17:14:23.39 2026-03-11 10:10:26.999 18.2216 g-ZTF PSN ZTF26aakkdfa ZTF N
294000 2026-03-09 17:34:04 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland (IfA, University of Hawaii) et al. ATLAS ATLAS 16:01:27.313 +17:14:23.35 2026-03-09 13:41:57.984 18.742 orange-ATLAS PSN ATLAS26csi ATLAS N
293891 2026-03-08 12:20:30 GOTO_bot D. O'Neill, G. Ramsay, K. Ackley et al. GOTO GOTO 16:01:27.350 +17:14:23.98 2026-03-08 03:07:03.360 19.18 L-GOTO Other GOTO26bsp GOTO 2026TNSTR.962....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
23183 2026-03-12 09:06:19 ZTF_Bot1 C. Fremling and J. Purdum on behalf of the SEDM Team (Caltech) and the Zwicky Transient Facility (ZTF) based on SNIascore ZTF SN Ia 0.036005 1 ZTF 2026TNSCR1041....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
23184 2026-03-12 08:09:04 P60 / SEDM 2700 SEDmRobot auto ZTF tns_2026fbn_2026-03-12_08-09-03.612989_P60_SEDM_ZTF.ascii Object

Comments

TNS
System

Wed, 05/20/2026 - 19:33

Object coordinates updated

Object coordinates updated according to AT-report 304716 of Group Pan-STARRS
Previous RA, DEC: 16:01:27.336, +17:14:23.38 (240.36389924, +17.2398283736)
Updated RA, DEC: 16:01:27.332, +17:14:23.32 (240.36388152, +17.2398119332)

TNS
System

Sun, 04/05/2026 - 07:26

Object coordinates updated

Object coordinates updated according to AT-report 298558 of Group Pan-STARRS
Previous RA, DEC: 16:01:27.340, +17:14:23.39 (240.363916, +17.2398306)
Updated RA, DEC: 16:01:27.336, +17:14:23.38 (240.36389924, +17.2398283736)

TNS
System

Wed, 03/11/2026 - 12:59

Object coordinates updated

Object coordinates updated according to AT-report 294185 of Group ZTF
Previous RA, DEC: 16:01:27.313, +17:14:23.35 (240.363805, +17.23982)
Updated RA, DEC: 16:01:27.340, +17:14:23.39 (240.363916, +17.2398306)

TNS
System

Mon, 03/09/2026 - 17:34

Object coordinates updated

Object coordinates updated according to AT-report 294000 of Group ATLAS
Previous RA, DEC: 16:01:27.350, +17:14:23.98 (240.363958, +17.239994)
Updated RA, DEC: 16:01:27.313, +17:14:23.35 (240.363805, +17.23982)