RA/DEC (2000)
04:15:09.044 -01:17:14.71
63.7876828858 -1.28741981235
Type
SN Ia
Redshift
0.0807
Discovery ReportClassification Report
Reporting Group
ZTF
Discovering Data Source
ZTF
Discovery Date
2026-01-31 03:26:46.003
TNS AT
Y
Public
Y
Discovery Mag
18.5689
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_2026bva - 2026-02-08 05:43:12 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
z-step:   v-step: 
   Binning factor: (rounded to nearest integer >1)
Mouse hovers at WL: 0 (rest),0 (observed)

Light curves

 ▌GOTO-S_GOTO-3_L
 ▌ATLAS-STH_ATLAS-03_orange
 ▌P48_ZTF-Cam_r
 ▌P48_ZTF-Cam_g
 ▌ATLAS-MLO_ATLAS-01_orange
 ▌PS1_GPC1_i
   
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
23004 2026-02-08 05:43:12 P60 / SEDM 2700 SEDmRobot ZTF tns_2026bva_2026-02-08_05-43-11.787748_P60_SEDM_ZTF.ascii Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-S_GOTO-3 2026-01-22 11:32:27 - 2026-01-23 11:31:02 2461062.980874 - 2461063.979893 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
564638 2026-01-23 11:31:02 2461063.979893 20.06 0.16 ABMag L-GOTO GOTO-S_GOTO-3 180
564637 2026-01-22 11:32:27 2461062.980874 20.4 ABMag L-GOTO GOTO-S_GOTO-3 180 [Last non detection]
orange-ATLAS ATLAS-STH_ATLAS-03 2026-02-03 20:59:16 - 2026-02-03 20:59:16 2461075.37449 - 2461075.37449 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
556043 2026-02-03 20:59:16 2461075.37449 17.78 ABMag orange-ATLAS ATLAS-STH_ATLAS-03 30 Robot [Last non detection]
r-ZTF P48_ZTF-Cam 2026-01-31 04:57:03 - 2026-01-31 04:57:03 2461071.7062847 - 2461071.7062847 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
554978 2026-01-31 04:57:03 2461071.7062847 18.7433 0.133005 ABMag r-ZTF P48_ZTF-Cam
g-ZTF P48_ZTF-Cam 2026-01-29 03:50:34 - 2026-01-31 03:26:46 2461069.6601157 - 2461071.643588 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
554977 2026-01-31 03:26:46 2461071.643588 18.5689 0.128194 ABMag g-ZTF P48_ZTF-Cam
554976 2026-01-29 03:50:34 2461069.6601157 16.4241 ABMag g-ZTF P48_ZTF-Cam [Last non detection]
orange-ATLAS ATLAS-MLO_ATLAS-01 2026-02-05 08:56:36 - 2026-02-05 08:56:36 2461076.87264 - 2461076.87264 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
556044 2026-02-05 08:56:36 2461076.87264 18.76 0.187 18.98 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 30 Robot
i-P1 PS1_GPC1 2026-01-30 06:41:04 - 2026-01-30 06:41:04 2461070.77852 - 2461070.77852 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
555352 2026-01-30 06:41:04 2461070.77852 19.04 0.11 20.7 ABMag i-P1 PS1_GPC1 45 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
294453 2026-03-14 09:30:32 GOTO_bot G. Ramsay, M. Pursiainen, K. Ackley et al. GOTO GOTO 04:15:09.093 -01:17:14.94 2026-01-23 11:31:02.496 20.06 L-GOTO PSN GOTO26akr GOTO N
290062 2026-02-06 00:48:41 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland (IfA, University of Hawaii) et al. ATLAS ATLAS 04:15:09.033 -01:17:14.06 2026-02-05 08:56:36.096 18.76 orange-ATLAS PSN ATLAS26bkf ATLAS N
289739 2026-02-02 01:40:39 PS1_Bot1 K. C. Chambers, T. de Boer, J. Fairlamb et al. Pan-STARRS Pan-STARRS 04:15:09.044 -01:17:14.71 2026-01-30 06:41:04.128 19.04 i-P1 PSN PS26qj Pan-STARRS N
289540 2026-01-31 06:20:21 Fritz Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU) et al. ZTF ZTF 04:15:09.048 -01:17:14.54 2026-01-31 03:26:46.003 18.5689 g-ZTF PSN ZTF26aaejkhw ZTF 2026TNSTR.420....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
23003 2026-02-17 23:39:15 ZTF_Bot1 J. Sollerman, J. Castaneda Jaimes, C. Fremling (Caltech) on behalf of the Zwicky Transient Facility (ZTF) ZTF SN Ia 0.0807 1 ZTF 2026TNSCR.689....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
23004 2026-02-08 05:43:12 P60 / SEDM 2700 SEDmRobot ZTF tns_2026bva_2026-02-08_05-43-11.787748_P60_SEDM_ZTF.ascii Object

Comments

TNS
System

Mon, 02/02/2026 - 01:40

Object coordinates updated

Object coordinates updated according to AT-report 289739 of Group Pan-STARRS
Previous RA, DEC: 04:15:09.048, -01:17:14.54 (63.7876996, -1.2873727)
Updated RA, DEC: 04:15:09.044, -01:17:14.71 (63.7876828858, -1.28741981235)