RA/DEC (2000)
06:49:11.398 +43:45:50.27
102.2974934 +43.7639648
Type
SN Ia
Redshift
0.068
Discovery ReportClassification Report
Reporting Group
ZTF
Discovering Data Source
ZTF
Discovery Date
2025-09-23 10:26:05.000
TNS AT
Y
Public
Y
Discovery Mag
19.777
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_2025yns - 2025-10-07 04:28:39 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
   
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
22170 2025-10-07 04:28:39 LT / SPRAT Jacob Wise, Daniel Perley, K-Ryan Hinds, Zoe McGrath Jacob Wise ZTF tns_2025yns_2025-10-07_04-28-38.864_LT_SPRAT_ZTF.spec Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
wide-ATLAS ATLAS-TDO_ATLAS-05 2025-09-25 05:25:35 - 2025-09-28 04:15:09 2460943.7261 - 2460946.67719 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
520713 2025-09-28 04:15:09 2460946.67719 18.871 0.078 19.93 ABMag wide-ATLAS ATLAS-TDO_ATLAS-05 30 Robot
520712 2025-09-25 05:25:35 2460943.7261 20.01 ABMag wide-ATLAS ATLAS-TDO_ATLAS-05 30 Robot [Last non detection]
r-ZTF P48_ZTF-Cam 2025-09-23 10:24:43 - 2025-09-25 12:15:43 2460941.933831 - 2460944.0109144 3
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
519944 2025-09-25 12:15:43 2460944.0109144 19.3232 0.121005 ABMag r-ZTF P48_ZTF-Cam
519943 2025-09-23 10:26:05 2460941.9347801 19.777 0.0899716 ABMag r-ZTF P48_ZTF-Cam
519942 2025-09-23 10:24:43 2460941.933831 20.2698 ABMag r-ZTF P48_ZTF-Cam [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
271676 2025-09-29 09:47:32 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 06:49:11.451 +43:45:50.11 2025-09-28 04:15:09.216 18.871 wide-ATLAS PSN ATLAS25mcn ATLAS N
271302 2025-09-25 13:19:18 Fritz Jesper Sollerman (SU),Christoffer Fremling (Caltech),Daniel Perley (LJMU) et al. ZTF ZTF 06:49:11.398 +43:45:50.27 2025-09-23 10:26:05.000 19.777 r-ZTF PSN ZTF25abtahaz ZTF 2025TNSTR3862....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
22170 2025-10-07 12:18:48 Jacob Wise Jacob Wise (LJMU), Daniel Perley (LJMU), K-Ryan Hinds (Caltech), Zoe McGrath (LJMU) ZTF SN Ia 0.068 1 1 ZTF Spectrum is well-fit by template spectra to previously classified SN Ia-norm events at a redshift of z = 0.068. Redshift from host-galaxy H-alpha. Classification performed using Next Generation Superfit (NGSF, Goldwasser et al. 2022). 2025TNSCR4038....1W
Related files
File Comments Last Modified (UT) Modified By
tns_2025yns_atrep_22170_ZTF.pdf NGSF fits 2025-10-07 12:18:48 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
22170 2025-10-07 04:28:39 LT / SPRAT Jacob Wise, Daniel Perley, K-Ryan Hinds, Zoe McGrath Jacob Wise ZTF tns_2025yns_2025-10-07_04-28-38.864_LT_SPRAT_ZTF.spec Object

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