RA/DEC (2000)
13:39:35.505 -00:25:54.98
204.8979371 -0.4319402
Type
SN Ia
Redshift
0.16
Related AstroNotes: 2026-195
Reporting Group
ZTF
Discovering Data Source
ZTF
Discovery Date
2026-06-07 07:07:44.999
TNS AT
Y
Public
Y
Discovery Mag
20.8854
Filter
g-ZTF
Reporter/s
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_2026oyu - 2026-06-13 00:00:00 Gemini-S / GMOS-S (GeminiClass)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
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   Binning factor: (rounded to nearest integer >1)
Mouse hovers at WL: 0 (rest),0 (observed)

Light curves

 P48_ZTF-Cam_i
 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
24061 2026-06-13 00:00:00 Gemini-S / GMOS-S Gemini GeminiClass tns_2026oyu_2026-06-13_Gemini-S_GMOS-S_GeminiClass.txt Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
i-ZTF P48_ZTF-Cam 2026-06-07 06:25:57 - 2026-06-07 06:25:57 2461198.7680208 - 2461198.7680208 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
591160 2026-06-07 06:25:57 2461198.7680208 19.6759 ABMag i-ZTF P48_ZTF-Cam [Last non detection]
g-ZTF P48_ZTF-Cam 2026-06-07 07:07:45 - 2026-06-11 06:27:02 2461198.7970486 - 2461202.7687731 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
591162 2026-06-11 06:27:02 2461202.7687731 20.2812 0.194514 ABMag g-ZTF P48_ZTF-Cam
591161 2026-06-07 07:07:45 2461198.7970486 20.8854 0.202072 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
308152 2026-06-11 16:49:40 ZTF_LIONS K-Ryan Hinds (Caltech), Christoffer Fremling (Caltech), Mansi Kasliwal (Caltech) et al. ZTF ZTF 13:39:35.505 -00:25:54.98 2026-06-07 07:07:44.999 20.8854 g-ZTF PSN ZTF26abbbvgs ZTF 2026TNSTR2457....1H N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
24055 2026-06-14 15:51:31 Priscila Pessi P. Pessi (NCBJ), A. Cikota (NOIRLab/Gemini South), P. Candia (NOIRLab/Gemini South), D. May (NOIRLab/Gemini South), V. Firpo (NOIRLab/Gemini South), F. Gran (NOIRLab/Gemini South), L. Magill (NOIRLab/Gemini South), P. King (NOIRLab/Gemini South), K. Silva (NOIRLab/Gemini South), R. Ruiz-Carmona (NOIRLab/Gemini South), S. Panda (NOIRLab/Gemini South), J. Font-Serra (NOIRLab/Gemini South), R. Angeloni (NOIRLab/Gemini South), V. Kalari (NOIRLab/Gemini South), C. Rodriguez (NOIRLab/Gemini South), J.-E. Heo (NOIRLab/Gemini South), T. Ahumada (NOIRLab/ SOAR), R. Cartier (University of Antofagasta), E. Sabbi (ISSI Bern), S. Cikota (CAHA) GeminiClass SN Ia 0.16 1 GeminiClass
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
24061 2026-06-13 00:00:00 Gemini-S / GMOS-S Gemini GeminiClass tns_2026oyu_2026-06-13_Gemini-S_GMOS-S_GeminiClass.txt Object

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