RA/DEC (2000)
13:57:12.966 -17:15:22.75
209.304026325 -17.256319725
Type
SN Ia
Redshift
0.075
Discovery ReportClassification Report
Reporting Group
ZTF
Discovering Data Source
ZTF
Discovery Date
2026-05-08 07:03:08.000
TNS AT
Y
Public
Y
Discovery Mag
19.8441
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_2026ltj - 2026-05-16 05:29:46 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

 ▌GOTO-S_GOTO-3_L
 ▌ATLAS-CHL_ATLAS-04_orange
 ▌ATLAS-CHL_ATLAS-04_cyan
 ▌P48_ZTF-Cam_i
 ▌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
23725 2026-05-16 05:29:46 P60 / SEDM 2700 SEDmRobot auto ZTF tns_2026ltj_2026-05-16_05-29-45.861510_P60_SEDM_ZTF.ascii Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-S_GOTO-3 2026-05-06 11:15:03 - 2026-05-07 15:22:38 2461166.968787 - 2461168.140717 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
583597 2026-05-07 15:22:38 2461168.140717 19.58 0.15 ABMag L-GOTO GOTO-S_GOTO-3 180
583596 2026-05-06 11:15:03 2461166.968787 20 ABMag L-GOTO GOTO-S_GOTO-3 180 [Last non detection]
orange-ATLAS ATLAS-CHL_ATLAS-04 2026-05-09 04:53:13 - 2026-05-09 04:53:13 2461169.70362 - 2461169.70362 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
581333 2026-05-09 04:53:13 2461169.70362 19.31 ABMag orange-ATLAS ATLAS-CHL_ATLAS-04 30 Robot [Last non detection]
cyan-ATLAS ATLAS-CHL_ATLAS-04 2026-05-11 03:50:04 - 2026-05-11 03:50:04 2461171.65977 - 2461171.65977 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
581334 2026-05-11 03:50:04 2461171.65977 18.915 0.099 19.67 ABMag cyan-ATLAS ATLAS-CHL_ATLAS-04 30 Robot
i-ZTF P48_ZTF-Cam 2026-05-07 09:10:34 - 2026-05-07 09:10:34 2461167.882338 - 2461167.882338 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
580635 2026-05-07 09:10:34 2461167.882338 18.7898 ABMag i-ZTF P48_ZTF-Cam [Last non detection]
r-ZTF P48_ZTF-Cam 2026-05-09 07:04:09 - 2026-05-09 07:04:09 2461169.7945486 - 2461169.7945486 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
580637 2026-05-09 07:04:09 2461169.7945486 19.5869 0.121575 ABMag r-ZTF P48_ZTF-Cam
g-ZTF P48_ZTF-Cam 2026-04-25 07:28:53 - 2026-05-08 07:03:08 2461155.8117245 - 2461168.7938426 3
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
580636 2026-05-08 07:03:08 2461168.7938426 19.8441 0.0969853 ABMag g-ZTF P48_ZTF-Cam
582250 2026-05-08 07:03:08 2461168.7938426 19.8279 0.222603 20.313 ABMag g-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF, classified by Fink
582249 2026-04-25 07:28:53 2461155.8117245 19.3471 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
304308 2026-05-18 08:38:12 GOTO_bot D. O'Neill, K. Ackley, M. Dyer et al. GOTO GOTO 13:57:12.926 -17:15:22.58 2026-05-07 15:22:38.208 19.58 L-GOTO Other GOTO26epo GOTO N
303587 2026-05-13 21:03:43 Fink Julien Peloton, Anais Moller, Emille E. O. Ishida on behalf of the Fink broker Fink ZTF 13:57:12.966 -17:15:22.75 2026-05-08 07:03:08.001 19.8279 g-ZTF PSN ZTF26aavedji ZTF Early SN Ia candidate classified by Fink using the public ZTF stream. Object data at https://fink-portal.org/ZTF26aavedji N
303151 2026-05-11 10:24:51 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland (IfA, University of Hawaii) et al. ATLAS ATLAS 13:57:12.982 -17:15:22.54 2026-05-11 03:50:04.128 18.915 cyan-ATLAS PSN ATLAS26fkb ATLAS N
302802 2026-05-09 16:31:27 Fritz Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU) et al. ZTF ZTF 13:57:12.969 -17:15:22.53 2026-05-08 07:03:08.000 19.8441 g-ZTF PSN ZTF26aavedji ZTF 2026TNSTR2015....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
23722 2026-05-16 07:50:43 ZTF_Bot1 J. Sollerman, J. Castaneda Jaimes, C. Fremling (Caltech) on behalf of the Zwicky Transient Facility (ZTF) ZTF SN Ia 0.075 1 ZTF 2026TNSCR2136....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
23725 2026-05-16 05:29:46 P60 / SEDM 2700 SEDmRobot auto ZTF tns_2026ltj_2026-05-16_05-29-45.861510_P60_SEDM_ZTF.ascii Object

Comments

TNS
System

Wed, 05/13/2026 - 21:03

Object coordinates updated

Object coordinates updated according to AT-report 303587 of Group ZTF
Previous RA, DEC: 13:57:12.969, -17:15:22.53 (209.3040367, -17.2562583)
Updated RA, DEC: 13:57:12.966, -17:15:22.75 (209.304026325, -17.256319725)