RA/DEC (2000)
19:50:15.100 -06:19:58.16
297.56291708333 -6.3328230333333
Type
SN Ia
Redshift
0.03
Discovery ReportClassification Report
Reporting Group
ZTF
Discovering Data Source
ZTF
Discovery Date
2026-05-16 11:03:50.996
TNS AT
Y
Public
Y
Discovery Mag
20.7257
Filter
g-ZTF
Reporter/s
Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU), Theophile du Laz (Caltech) on behalf of ZTF
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2026nbj - 2026-05-22 11:00:43 UH88 / SNIFS (SCAT)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
 ▌ATLAS-CHL_ATLAS-04_cyan
 ▌GOTO-N_GOTO-1_L
 ▌BG3_BlackGEM-Cam3_BG-q
 ▌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
23804 2026-05-22 11:00:43 UH88 / SNIFS 1800 Tucker SCAT tns_2026nbj_2026-05-22_11-00-43_UH88_SNIFS_SCAT.dat Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-S_GOTO-3 2026-05-05 16:51:54 - 2026-05-05 16:51:54 2461166.202709 - 2461166.202709 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
584348 2026-05-05 16:51:54 2461166.202709 19.6 ABMag L-GOTO GOTO-S_GOTO-3 180 [Last non detection]
cyan-ATLAS ATLAS-CHL_ATLAS-04 2026-05-17 10:21:45 - 2026-05-20 06:35:12 2461177.93177 - 2461180.77444 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
584144 2026-05-20 06:35:12 2461180.77444 18.931 0.095 19.62 ABMag cyan-ATLAS ATLAS-CHL_ATLAS-04 30 Robot
584143 2026-05-17 10:21:45 2461177.93177 19.22 ABMag cyan-ATLAS ATLAS-CHL_ATLAS-04 30 Robot [Last non detection]
L-GOTO GOTO-N_GOTO-1 2026-05-20 05:07:49 - 2026-05-20 05:07:49 2461180.713758 - 2461180.713758 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
584349 2026-05-20 05:07:49 2461180.713758 18.98 0.08 ABMag L-GOTO GOTO-N_GOTO-1 180
BG-q-BlackGem BG3_BlackGEM-Cam3 2026-05-12 07:57:25 - 2026-05-19 08:02:49 2461172.8315394 - 2461179.8352894 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
585552 2026-05-19 08:02:49 2461179.8352894 19.15 0.08 20.38 ABMag BG-q-BlackGem BG3_BlackGEM-Cam3 60 robotic
585551 2026-05-12 07:57:25 2461172.8315394 20.39 ABMag BG-q-BlackGem BG3_BlackGEM-Cam3 60 robotic [Last non detection]
r-ZTF P48_ZTF-Cam 2026-05-16 10:12:06 - 2026-05-16 10:12:06 2461176.9250694 - 2461176.9250694 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
583848 2026-05-16 10:12:06 2461176.9250694 20.1116 ABMag r-ZTF P48_ZTF-Cam [Last non detection]
g-ZTF P48_ZTF-Cam 2026-05-15 10:28:08 - 2026-05-19 09:24:33 2461175.9362037 - 2461179.8920486 4
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
583850 2026-05-19 09:24:33 2461179.8920486 19.5595 0.206038 ABMag g-ZTF P48_ZTF-Cam
583849 2026-05-16 11:03:51 2461176.9610069 20.7257 0.200821 ABMag g-ZTF P48_ZTF-Cam
587826 2026-05-16 11:03:51 2461176.9610069 20.6452 0.287756 20.3644 ABMag g-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF, classified by Fink
587825 2026-05-15 10:28:08 2461175.9362037 20.4889 ABMag g-ZTF P48_ZTF-Cam 30 Robot [Last non detection] Data provided by ZTF, classified by Fink
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
306509 2026-05-28 21:48:44 Fink Julien Peloton, Anais Moller, Emille E. O. Ishida on behalf of the Fink broker Fink ZTF 19:50:15.100 -06:19:58.16 2026-05-16 11:03:50.996 20.6452 g-ZTF PSN ZTF26aaxipwr ZTF Early SN Ia candidate classified by Fink using the public ZTF stream. Object data at https://fink-portal.org/ZTF26aaxipwr N
305342 2026-05-27 09:13:14 BlackGEM_Bot1 H. Tranin, F. Stoppa, D. Pieterse et al. BlackGEM BlackGEM 19:50:15.093 -06:19:58.44 2026-05-19 08:02:49.000 19.15 BG-q-BlackGem PSN BGEM J195015.09-061958.4 BlackGEM N
304775 2026-05-21 10:19:46 GOTO_bot M. Magee, D. O'Neill, K. Ackley et al. GOTO GOTO 19:50:15.111 -06:19:58.05 2026-05-20 05:07:48.864 18.98 L-GOTO Other GOTO26ezi GOTO N
304680 2026-05-20 14:57:40 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland (IfA, University of Hawaii) et al. ATLAS ATLAS 19:50:15.097 -06:19:58.02 2026-05-20 06:35:11.616 18.931 cyan-ATLAS PSN ATLAS26gdo ATLAS N
304533 2026-05-19 11:13:22 Fritz Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU) et al. ZTF ZTF 19:50:15.101 -06:19:58.13 2026-05-16 11:03:50.996 20.7257 g-ZTF PSN ZTF26aaxipwr ZTF 2026TNSTR2180....1S N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
23800 2026-05-22 18:49:46 Michael Tucker M. A. Tucker (CCAPP/OSU) on behalf of SCAT SCAT SN Ia 0.03 1 SCAT Redshift estimated with snid-sage (Stoppa & Smartt, 2026). 2026TNSCR2237....1T
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
23804 2026-05-22 11:00:43 UH88 / SNIFS 1800 Tucker SCAT tns_2026nbj_2026-05-22_11-00-43_UH88_SNIFS_SCAT.dat Object

Comments

TNS
System

Thu, 05/28/2026 - 21:48

Object coordinates updated

Object coordinates updated according to AT-report 306509 of Group ZTF
Previous RA, DEC: 19:50:15.101, -06:19:58.13 (297.5629213, -6.3328143)
Updated RA, DEC: 19:50:15.100, -06:19:58.16 (297.56291708333, -6.3328230333333)