RA/DEC (2000)
03:28:02.203 +78:26:32.91
52.009181 +78.4424762
Type
SN Ia
Redshift
0.0612
Discovery ReportClassification Report
Reporting Group
ZTF
Discovering Data Source
ZTF
Discovery Date
2025-08-22 08:50:23.003
TNS AT
Y
Public
Y
Discovery Mag
20.1328
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_2025vpl - 2025-09-11 02:47:52 LT / SPRAT (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

 ▌ATLAS-TDO_ATLAS-05_wide
 ▌P48_ZTF-Cam_r
 ▌P48_ZTF-Cam_g
 ▌ATLAS-MLO_ATLAS-01_cyan
   
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
22017 2025-09-11 02:47:52 LT / SPRAT Jacob Wise, Daniel Perley, K-Ryan Hinds, Zoe McGrath Jacob Wise ZTF tns_2025vpl_2025-09-11_02-47-52.159_LT_SPRAT_ZTF.spec Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
wide-ATLAS ATLAS-TDO_ATLAS-05 2025-09-01 01:23:51 - 2025-09-01 01:23:51 2460919.55823 - 2460919.55823 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
519948 2025-09-01 01:23:51 2460919.55823 18.69 0.124 19.52 ABMag wide-ATLAS ATLAS-TDO_ATLAS-05 30 Robot
r-ZTF P48_ZTF-Cam 2025-08-21 10:17:52 - 2025-08-22 08:50:23 2460908.9290741 - 2460909.8683218 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
512787 2025-08-22 08:50:23 2460909.8683218 20.1328 0.170261 ABMag r-ZTF P48_ZTF-Cam
512786 2025-08-21 10:17:52 2460908.9290741 20.1785 ABMag r-ZTF P48_ZTF-Cam [Last non detection]
g-ZTF P48_ZTF-Cam 2025-08-27 10:45:29 - 2025-08-27 10:45:29 2460914.9482523 - 2460914.9482523 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
512788 2025-08-27 10:45:29 2460914.9482523 19.2182 0.158356 ABMag g-ZTF P48_ZTF-Cam
cyan-ATLAS ATLAS-MLO_ATLAS-01 2025-08-31 13:19:00 - 2025-08-31 13:19:00 2460919.05486 - 2460919.05486 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
519947 2025-08-31 13:19:00 2460919.05486 16.95 ABMag cyan-ATLAS ATLAS-MLO_ATLAS-01 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
271304 2025-09-25 17:50:13 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland et al. ATLAS ATLAS 03:28:02.422 +78:26:32.65 2025-09-01 01:23:51.072 18.69 wide-ATLAS PSN ATLAS25lws ATLAS N
267868 2025-08-27 11:27:40 Fritz Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU) et al. ZTF ZTF 03:28:02.203 +78:26:32.91 2025-08-22 08:50:23.003 20.1328 r-ZTF PSN ZTF25abmnhes ZTF 2025TNSTR3397....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
22017 2025-09-14 19:23:13 Jacob Wise Jacob Wise (LJMU), Daniel Perley (LJMU), K-Ryan Hinds (LJMU), Zoe McGrath (LJMU) ZTF SN Ia 0.0612 1 1 ZTF Spectrum is well-fit by template spectra from previously classified SN Ia, we also find a match to the SN Ic-BL 2002ap. Due to the ~15 day rise time in ZTF and absolute magnitude consistent with being a SN Ia, we classify this event as an SN Ia. Classification performed using Next Generation Superfit (NGSF, Goldwasser et al. 2022). Redshift obtained using H-alpha emission from host. 2025TNSCR3700....1W
Related files
File Comments Last Modified (UT) Modified By
tns_2025vpl_atrep_22017_ZTF.pdf NGSF fits 2025-09-14 19:23:13 Jacob Wise
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
22017 2025-09-11 02:47:52 LT / SPRAT Jacob Wise, Daniel Perley, K-Ryan Hinds, Zoe McGrath Jacob Wise ZTF tns_2025vpl_2025-09-11_02-47-52.159_LT_SPRAT_ZTF.spec Object

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