RA/DEC (2000)
11:11:55.755 +57:04:36.74
167.9823105 +57.0768735
Type
SN Ia
Redshift
0.14
Discovery ReportClassification Report
Reporting Group
ZTF
Discovering Data Source
ZTF
Discovery Date
2026-01-21 10:10:49.998
TNS AT
Y
Public
Y
Discovery Mag
20.5992
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_2026cdu - 2026-02-08 10:40:00 Lick-3m / KAST (UCSC)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

 ▌WFST_WFST-WFC_r
 ▌WFST_WFST-WFC_g
 ▌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
22966 2026-02-08 10:40:00 Lick-3m / KAST Ravjit Kaur, Jenna Karcheski UCSC tns_2026cdu_2026-02-08_10-40-00_Lick-3m_KAST_UCSC.flm Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
r-WFST WFST_WFST-WFC 2026-01-30 16:48:00 - 2026-01-30 16:48:00 2461071.2 - 2461071.2 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
573563 2026-01-30 16:48:00 2461071.2 18.46 ABMag r-WFST WFST_WFST-WFC 30 [Last non detection]
g-WFST WFST_WFST-WFC 2026-01-31 15:57:36 - 2026-01-31 15:57:36 2461072.165 - 2461072.165 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
573564 2026-01-31 15:57:36 2461072.165 19.74 0.08 ABMag g-WFST WFST_WFST-WFC 30
r-ZTF P48_ZTF-Cam 2026-01-21 08:51:10 - 2026-02-05 10:14:50 2461061.8688657 - 2461076.9269676 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
555924 2026-02-05 10:14:50 2461076.9269676 19.6774 0.201554 ABMag r-ZTF P48_ZTF-Cam
555922 2026-01-21 08:51:10 2461061.8688657 20.2012 ABMag r-ZTF P48_ZTF-Cam [Last non detection]
g-ZTF P48_ZTF-Cam 2026-01-21 10:10:50 - 2026-01-21 10:10:50 2461061.9241898 - 2461061.9241898 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
555923 2026-01-21 10:10:50 2461061.9241898 20.5992 0.149623 ABMag g-ZTF P48_ZTF-Cam
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
299229 2026-04-08 15:04:24 WFST_SN Zelin Xu, Dezheng Meng, Ji-an Jiang et al. WFST WFST 11:11:55.730 +57:04:36.81 2026-01-31 15:57:36.000 19.74 g-WFST PSN WFST260131afpsp WFST N
290004 2026-02-05 11:35:11 Fritz Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU) et al. ZTF ZTF 11:11:55.755 +57:04:36.74 2026-01-21 10:10:49.998 20.5992 g-ZTF PSN ZTF26aadsdgz ZTF 2026TNSTR.489....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
22965 2026-02-11 06:44:02 Ravjit Kaur Ravjit Kaur (UCSC), Jenna Karcheski (UCSC), Ryan Foley (UCSC) UCSC SN Ia 0.14 1 UCSC When the redshift is given to 2 decimal places, it is derived from the SN spectrum. Otherwise, the redshift is determined from the host galaxy. 2026TNSCR.599....1K
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
22966 2026-02-08 10:40:00 Lick-3m / KAST Ravjit Kaur, Jenna Karcheski UCSC tns_2026cdu_2026-02-08_10-40-00_Lick-3m_KAST_UCSC.flm Object

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