RA/DEC (2000)
17:38:20.296 +41:10:10.83
264.5845656 +41.1696755
Type
SN Ia
Redshift
0.0495
Discovery ReportClassification Report
Reporting Group
ZTF
Discovering Data Source
ZTF
Discovery Date
2025-10-02 04:09:57.000
TNS AT
Y
Public
Y
Discovery Mag
19.5943
Filter
r-ZTF
Reporter/s
Nabeel Rehemtulla (CIERA, NU), Wynn Jacobson-Galán (Caltech), Theophile du Laz (Caltech) on behalf of ZTF
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2025zoy - 2025-10-17 03:17:31 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

 ▌ATLAS-TDO_ATLAS-05_wide
 ▌P48_ZTF-Cam_r
 ▌P48_ZTF-Cam_g
 ▌ATLAS-MLO_ATLAS-01_orange
   
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
22258 2025-10-17 03:17:31 Lick-3m / KAST R. Michael Rich, Zoe McGrath, Aleksandra Bochenek, Ava Huddleston, Ethan Cotta Jacob Wise ZTF tns_2025zoy_2025-10-17_03-17-31.18_Lick-3m_KAST_ZTF.txt Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
wide-ATLAS ATLAS-TDO_ATLAS-05 2025-10-03 21:11:09 - 2025-10-03 21:11:09 2460952.38274 - 2460952.38274 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
522320 2025-10-03 21:11:09 2460952.38274 19.34 ABMag wide-ATLAS ATLAS-TDO_ATLAS-05 30 Robot [Last non detection]
r-ZTF P48_ZTF-Cam 2025-10-01 03:39:18 - 2025-10-02 04:09:57 2460949.6522917 - 2460950.6735764 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
522277 2025-10-02 04:09:57 2460950.6735764 19.5943 0.188283 ABMag r-ZTF P48_ZTF-Cam
522276 2025-10-01 03:39:18 2460949.6522917 20.2499 ABMag r-ZTF P48_ZTF-Cam [Last non detection]
g-ZTF P48_ZTF-Cam 2025-10-05 03:21:03 - 2025-10-05 03:21:03 2460953.6396181 - 2460953.6396181 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
522278 2025-10-05 03:21:03 2460953.6396181 18.8435 0.119596 ABMag g-ZTF P48_ZTF-Cam
orange-ATLAS ATLAS-MLO_ATLAS-01 2025-10-05 05:37:19 - 2025-10-05 05:37:19 2460953.73425 - 2460953.73425 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
522321 2025-10-05 05:37:19 2460953.73425 18.392 0.132 19 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 30 Robot
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
272529 2025-10-05 12:59:28 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 17:38:20.304 +41:10:11.23 2025-10-05 05:37:19.200 18.392 orange-ATLAS PSN ATLAS25mka ATLAS N
272504 2025-10-05 03:53:25 BTSbot_bot Nabeel Rehemtulla (CIERA,NU),Wynn Jacobson-Galán (Caltech) et al. ZTF ZTF 17:38:20.296 +41:10:10.83 2025-10-02 04:09:57.000 19.5943 r-ZTF PSN ZTF25abuzfte ZTF Bright (m_peak <= 18.5) transient candidate identified autonomously by BTSbot (Rehemtulla et al. 2024; arXiv:2401.15167). 2025TNSTR4014....1R N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
22258 2025-10-21 11:09:53 Jacob Wise Jacob Wise (LJMU), Aleksandra Bochenek (LJMU), Zoe McGrath (LJMU), Daniel Perley (LJMU), R. Michael Rich (UCLA), Ava Huddleston (UCLA), Ethan Cotta (UCLA) ZTF SN Ia 0.0495 1 1 ZTF Spectrum is well-fit to template spectra from previously classified SNe Ia-norm. Redshift of z = 0.0495 from host H-alpha. Classification performed using Next Generation Superfit (NGSF, Goldwasser et al. 2022). 2025TNSCR4236....1W
Related files
File Comments Last Modified (UT) Modified By
tns_2025zoy_atrep_22258_ZTF.pdf NGSF fits 2025-10-21 11:09:53 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
22258 2025-10-17 03:17:31 Lick-3m / KAST R. Michael Rich, Zoe McGrath, Aleksandra Bochenek, Ava Huddleston, Ethan Cotta Jacob Wise ZTF tns_2025zoy_2025-10-17_03-17-31.18_Lick-3m_KAST_ZTF.txt Object

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