RA/DEC (2000)
10:55:40.295 +15:36:37.21
163.91789401667 +15.610336575
Type
SN Ia
Redshift
0.145
Discovery ReportClassification Report
Reporting Group
ZTF
Discovering Data Source
ZTF
Discovery Date
2026-04-29 04:27:39.997
TNS AT
Y
Public
Y
Discovery Mag
19.7805
Filter
i-ZTF
Reporter/s
Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU), Theophile du Laz (Caltech) on behalf of ZTF
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2026lfb - 2026-05-10 04:54:51 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-CHL_ATLAS-04_orange
 ▌GOTO-N_GOTO-1_L
 ▌P48_ZTF-Cam_i
 ▌P48_ZTF-Cam_r
 ▌P48_ZTF-Cam_g
 ▌ATLAS-HKO_ATLAS-02_cyan
   
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
23681 2026-05-10 04:54:51 P60 / SEDM 2700 SEDmRobot auto ZTF tns_2026lfb_2026-05-10_04-54-50.541442_P60_SEDM_ZTF.ascii Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
orange-ATLAS ATLAS-CHL_ATLAS-04 2026-05-05 02:48:31 - 2026-05-05 02:48:31 2461165.61703 - 2461165.61703 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
580106 2026-05-05 02:48:31 2461165.61703 19 ABMag orange-ATLAS ATLAS-CHL_ATLAS-04 30 Robot [Last non detection]
L-GOTO GOTO-N_GOTO-1 2026-04-28 21:01:45 - 2026-05-01 21:01:19 2461159.376222 - 2461162.375915 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
579877 2026-05-01 21:01:19 2461162.375915 19.1 0.17 ABMag L-GOTO GOTO-N_GOTO-1 180
579876 2026-04-28 21:01:45 2461159.376222 19.2 ABMag L-GOTO GOTO-N_GOTO-1 180 [Last non detection]
i-ZTF P48_ZTF-Cam 2026-04-29 04:27:40 - 2026-04-29 04:27:40 2461159.6858796 - 2461159.6858796 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
579209 2026-04-29 04:27:40 2461159.6858796 19.7805 0.203469 ABMag i-ZTF P48_ZTF-Cam
r-ZTF P48_ZTF-Cam 2026-04-25 05:13:26 - 2026-04-25 05:13:26 2461155.717662 - 2461155.717662 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
579208 2026-04-25 05:13:26 2461155.717662 19.6296 ABMag r-ZTF P48_ZTF-Cam [Last non detection]
g-ZTF P48_ZTF-Cam 2026-04-29 07:55:29 - 2026-05-02 05:01:58 2461159.8301968 - 2461162.7096991 3
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
579210 2026-05-02 05:01:58 2461162.7096991 19.1856 0.162652 ABMag g-ZTF P48_ZTF-Cam
580673 2026-04-30 05:15:49 2461160.7193171 19.5099 0.221773 19.5347 ABMag g-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF, classified by Fink
580672 2026-04-29 07:55:29 2461159.8301968 19.0678 ABMag g-ZTF P48_ZTF-Cam 30 Robot [Last non detection] Data provided by ZTF, classified by Fink
cyan-ATLAS ATLAS-HKO_ATLAS-02 2026-05-07 06:50:53 - 2026-05-07 06:50:53 2461167.78534 - 2461167.78534 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
580107 2026-05-07 06:50:53 2461167.78534 19.27 0.146 19.59 ABMag cyan-ATLAS ATLAS-HKO_ATLAS-02 30 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
302815 2026-05-09 18:48:48 Fink Julien Peloton, Anais Moller, Emille E. O. Ishida on behalf of the Fink broker Fink ZTF 10:55:40.295 +15:36:37.21 2026-04-30 05:15:48.997 19.5099 g-ZTF PSN ZTF26aaurnvv ZTF Early SN Ia candidate classified by Fink using the public ZTF stream. Object data at https://fink-portal.org/ZTF26aaurnvv N
302576 2026-05-07 14:00:34 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland (IfA, University of Hawaii) et al. ATLAS ATLAS 10:55:40.284 +15:36:37.35 2026-05-07 06:50:53.376 19.27 cyan-ATLAS PSN ATLAS26ffs ATLAS N
302487 2026-05-06 20:26:30 GOTO_bot M. Pursiainen, D. O'Neill, K. Ackley et al. GOTO GOTO 10:55:40.272 +15:36:37.09 2026-05-01 21:01:19.488 19.1 L-GOTO Other GOTO26eho GOTO N
302124 2026-05-02 07:12:39 Fritz Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU) et al. ZTF ZTF 10:55:40.301 +15:36:37.33 2026-04-29 04:27:39.997 19.7805 i-ZTF PSN ZTF26aaurnvv ZTF 2026TNSTR1920....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
23678 2026-05-10 05:53:40 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 0.145 1 ZTF 2026TNSCR2037....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
23681 2026-05-10 04:54:51 P60 / SEDM 2700 SEDmRobot auto ZTF tns_2026lfb_2026-05-10_04-54-50.541442_P60_SEDM_ZTF.ascii Object

Comments

TNS
System

Sat, 05/09/2026 - 18:48

Object coordinates updated

Object coordinates updated according to AT-report 302815 of Group ZTF
Previous RA, DEC: 10:55:40.301, +15:36:37.33 (163.9179204, +15.6103687)
Updated RA, DEC: 10:55:40.295, +15:36:37.21 (163.91789401667, +15.610336575)