RA/DEC (2000)
01:29:32.350 -16:11:57.41
22.3847919 -16.1992816
Type
SN Ia-SC
Redshift
0.137
Discovery ReportClassification Report
Reporting Group
ZTF
Discovering Data Source
ZTF
Discovery Date
2025-09-21 08:31:56.997
TNS AT
Y
Public
Y
Discovery Mag
19.9849
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_2025yki - 2025-10-25 06:42:41 Magellan-Clay / LDSS-3 (FLEET)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_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
22329 2025-10-25 06:42:41 Magellan-Clay / LDSS-3 Harsh Kumar (Harvard CfA), Peter Blanchard (Harvard CfA), Daichi Hiramatsu (Harvard CfA), Sebastian Gomez (CfA) Harsh Kumar FLEET tns_2025yki_2025-10-25_06-42-41_Magellan-Clay_LDSS-3_FLEET.ascii Object Not corrected for telluric absorption and Galactic extinction.
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
r-ZTF P48_ZTF-Cam 2025-09-17 09:34:50 - 2025-09-17 09:34:50 2460935.8991898 - 2460935.8991898 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
519643 2025-09-17 09:34:50 2460935.8991898 19.8885 ABMag r-ZTF P48_ZTF-Cam [Last non detection]
g-ZTF P48_ZTF-Cam 2025-09-21 08:31:57 - 2025-09-24 08:59:52 2460939.8555208 - 2460942.8749074 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
519645 2025-09-24 08:59:52 2460942.8749074 19.7718 0.154736 ABMag g-ZTF P48_ZTF-Cam
519644 2025-09-21 08:31:57 2460939.8555208 19.9849 0.189754 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
271183 2025-09-24 11:29:55 Fritz Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU) et al. ZTF ZTF 01:29:32.350 -16:11:57.41 2025-09-21 08:31:56.997 19.9849 g-ZTF PSN ZTF25abspoka ZTF 2025TNSTR3850....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
22329 2025-10-30 14:44:28 Harsh Kumar Harsh Kumar FLEET SN Ia-SC 0.137 1 FLEET A good match to 2009dc and 2007fi -- Ia super-Chandra events. Redshift measured from host lines. 2025TNSCR4371....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
22329 2025-10-25 06:42:41 Magellan-Clay / LDSS-3 Harsh Kumar (Harvard CfA), Peter Blanchard (Harvard CfA), Daichi Hiramatsu (Harvard CfA), Sebastian Gomez (CfA) Harsh Kumar FLEET tns_2025yki_2025-10-25_06-42-41_Magellan-Clay_LDSS-3_FLEET.ascii Object Not corrected for telluric absorption and Galactic extinction.

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