RA/DEC (2000)
11:28:54.874 +21:06:30.69
172.2286414 +21.1085254
Type
SN Ia
Redshift
0.07907
Discovery ReportClassification Report
Related AstroNotes: 2026-99
Reporting Group
ZTF
Discovering Data Source
ZTF
Discovery Date
2026-04-02 07:05:16.002
TNS AT
Y
Public
Y
Discovery Mag
19.2031
Filter
r-ZTF
Reporter/s
Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU), Theophile du Laz (Caltech) on behalf of ZTF
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2026icw - 2026-04-10 07:12:38 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

 ▌WFST_WFST-WFC_r
 ▌GOTO-N_GOTO-2_L
 ▌P48_ZTF-Cam_r
 ▌P48_ZTF-Cam_g
 ▌ATLAS-HKO_ATLAS-02_orange
   
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
23472 2026-04-10 07:12:38 P60 / SEDM 2700 SEDmRobot ZTF tns_2026icw_2026-04-10_07-12-38.134588_P60_SEDM_ZTF.ascii Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
r-WFST WFST_WFST-WFC 2026-04-02 18:59:02 - 2026-04-02 18:59:02 2461133.291 - 2461133.291 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
572194 2026-04-02 18:59:02 2461133.291 19.46 0.05 ABMag r-WFST WFST_WFST-WFC 30
L-GOTO GOTO-N_GOTO-2 2026-04-01 23:18:14 - 2026-04-06 21:51:43 2461132.470999 - 2461137.410909 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
573127 2026-04-06 21:51:43 2461137.410909 18.53 0.06 ABMag L-GOTO GOTO-N_GOTO-2 180
573126 2026-04-01 23:18:14 2461132.470999 18.2 ABMag L-GOTO GOTO-N_GOTO-2 180 [Last non detection]
r-ZTF P48_ZTF-Cam 2026-04-02 07:05:16 - 2026-04-02 07:05:16 2461132.7953241 - 2461132.7953241 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
571856 2026-04-02 07:05:16 2461132.7953241 19.2031 0.153386 ABMag r-ZTF P48_ZTF-Cam
g-ZTF P48_ZTF-Cam 2026-03-27 08:45:33 - 2026-04-02 08:15:08 2461126.8649653 - 2461132.8438426 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
571857 2026-04-02 08:15:08 2461132.8438426 18.69 0.151245 ABMag g-ZTF P48_ZTF-Cam
571855 2026-03-27 08:45:33 2461126.8649653 20.619 ABMag g-ZTF P48_ZTF-Cam [Last non detection]
orange-ATLAS ATLAS-HKO_ATLAS-02 2026-04-03 10:13:44 - 2026-04-04 09:21:39 2461133.9262 - 2461134.89003 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
572628 2026-04-04 09:21:39 2461134.89003 18.98 0.188 19.02 ABMag orange-ATLAS ATLAS-HKO_ATLAS-02 30 Robot
572627 2026-04-03 10:13:44 2461133.9262 18.72 ABMag orange-ATLAS ATLAS-HKO_ATLAS-02 30 Robot [Last non detection]
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
299013 2026-04-07 08:55:17 GOTO_bot G. Ramsay, D. O'Neill, K. Ackley et al. GOTO GOTO 11:28:54.886 +21:06:30.16 2026-04-06 21:51:42.624 18.53 L-GOTO Other GOTO26cwo GOTO N
298741 2026-04-05 21:29:43 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland (IfA, University of Hawaii) et al. ATLAS ATLAS 11:28:54.870 +21:06:30.89 2026-04-04 09:21:38.592 18.98 orange-ATLAS PSN ATLAS26dso ATLAS N
298486 2026-04-04 13:59:33 WFST_SN Zelin Xu, Dezheng Meng, Ji-an Jiang et al. WFST WFST 11:28:54.900 +21:06:30.70 2026-04-02 18:59:02.400 19.46 r-WFST PSN WFST260402ofnw WFST N
298278 2026-04-02 10:10:06 Fritz Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU) et al. ZTF ZTF 11:28:54.874 +21:06:30.69 2026-04-02 07:05:16.002 19.2031 r-ZTF PSN ZTF26aaqxpmm ZTF 2026TNSTR1403....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
23470 2026-04-15 20:44:37 ZTF_Bot1 J. Johansson, J. Castaneda Jaimes, C. Fremling (Caltech) on behalf of the Zwicky Transient Facility (ZTF) ZTF SN Ia 0.07907 1 ZTF 2026TNSCR1642....1J
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
23472 2026-04-10 07:12:38 P60 / SEDM 2700 SEDmRobot ZTF tns_2026icw_2026-04-10_07-12-38.134588_P60_SEDM_ZTF.ascii Object

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