RA/DEC (2000)
16:30:48.033 +12:38:46.75
247.7001391 +12.6463194
Type
SN Ia
Redshift
0.078
Reporting Group
ZTF
Discovering Data Source
ZTF
Discovery Date
2026-03-11 12:07:07.999
TNS AT
Y
Public
Y
Discovery Mag
19.5766
Filter
r-ZTF
Reporter/s
Wynn Jacobson-Galán (Caltech), K-Ryan Hinds (Caltech), Christoffer Fremling (Caltech), Mansi Kasliwal (Caltech), Theophile du Laz (Caltech), Thomas Culino (Caltech), Joahan Castaneda Jaimes (CIT, IPAC), Michael Coughlin (UMN), Antoine Le Calloch (UMN) , Pete Bachant (Caltech) on behalf of Z+LIONS

Spectra

 SN_2026fkk - 2026-03-22 12:15:20 Lick-3m / KAST (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-N_GOTO-1_L
 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
23338 2026-03-22 12:15:20 Lick-3m / KAST Michael Rich, Ethan Cotta, Zoë McGrath Aleksandra Bochenek ZTF tns_2026fkk_2026-03-22_12-15-20_Lick-3m_KAST_ZTF.txt Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-N_GOTO-1 2026-03-09 05:01:52 - 2026-03-10 05:03:23 2461108.709629 - 2461109.710679 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
564561 2026-03-10 05:03:23 2461109.710679 19.78 0.16 ABMag L-GOTO GOTO-N_GOTO-1 180
564560 2026-03-09 05:01:52 2461108.709629 19.9 ABMag L-GOTO GOTO-N_GOTO-1 180 [Last non detection]
i-ZTF P48_ZTF-Cam 2026-03-08 12:47:04 - 2026-03-08 12:47:04 2461108.0326852 - 2461108.0326852 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
564331 2026-03-08 12:47:04 2461108.0326852 19.6912 ABMag i-ZTF P48_ZTF-Cam [Last non detection]
r-ZTF P48_ZTF-Cam 2026-03-11 12:07:08 - 2026-03-11 12:07:08 2461111.0049537 - 2461111.0049537 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
564332 2026-03-11 12:07:08 2461111.0049537 19.5766 0.155977 ABMag r-ZTF P48_ZTF-Cam
g-ZTF P48_ZTF-Cam 2026-03-12 12:08:54 - 2026-03-12 12:08:54 2461112.0061806 - 2461112.0061806 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
564333 2026-03-12 12:08:54 2461112.0061806 19.6184 0.127703 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
294420 2026-03-14 08:29:14 GOTO_bot G. Ramsay, K. Ackley, M. Dyer et al. GOTO GOTO 16:30:48.027 +12:38:46.91 2026-03-10 05:03:22.752 19.78 L-GOTO Other GOTO26bwr GOTO N
294319 2026-03-12 16:56:33 ZTF_LIONS Wynn Jacobson-Galán (Caltech), K-Ryan Hinds (Caltech), Christoffer Fremling (Caltech) et al. ZTF ZTF 16:30:48.033 +12:38:46.75 2026-03-11 12:07:07.999 19.5766 r-ZTF PSN ZTF26aakkpot ZTF 2026TNSTR1040....1J N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
23336 2026-03-24 18:07:51 Aleksandra Bochenek Aleksandra Bochenek ZTF SN Ia 0.078 1 ZTF SN Ia classification from Si II absorption trough and Fe features in the blue. Redshift from host lines z = 0.078 ± 0.005. 2026TNSCR1272....1B
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
23338 2026-03-22 12:15:20 Lick-3m / KAST Michael Rich, Ethan Cotta, Zoë McGrath Aleksandra Bochenek ZTF tns_2026fkk_2026-03-22_12-15-20_Lick-3m_KAST_ZTF.txt Object

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