RA/DEC (2000)
13:22:46.389 -23:55:39.75
200.693287 -23.927708
Type
SN Ia
Redshift
0.043477
Discovery ReportClassification Report
Reporting Group
SGLF
Discovering Data Source
ZTF
Discovery Date
2025-05-09 05:46:53.000
TNS AT
Y
Public
Y
Host Name
LEDA 158816
Host Redshift
0.043477
Discovery Mag
18.2
Filter
r-ZTF
Reporter/s
I. Pérez-Fournon (IAC and ULL), D. Cano-Morales, I. Correa-Plasencia, A.E. Hernández-Díaz, C. Jaén-Martín (ULL), F. Poidevin (IAC and ULL), E. Hatziminaoglou (ESO and IAC), C. Jiménez Ángel (GRANTECAN), Z. Delgado-González (ULL), R. Shirley (MPE), R. Marques-Chaves (Univ. of Geneva), and S. Geier (GRANTECAN & IAC) on behalf of SGLF
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2025kfa - 2025-05-17 05:56:48 P60 / SEDM (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

 ▌GOTO-S_GOTO-4_L
 ▌ATLAS-CHL_ATLAS-04_orange
 ▌ATLAS-STH_ATLAS-03_orange
 ▌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
21059 2025-05-17 05:56:48 P60 / SEDM 2160 SEDmRobot ZTF tns_2025kfa_2025-05-17_05-56-48.363402_P60_SEDM_ZTF.ascii Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-S_GOTO-4 2025-05-07 11:49:14 - 2025-05-14 09:14:26 2460802.992522 - 2460809.885021 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
488118 2025-05-14 09:14:26 2460809.885021 17.57 0.09 ABMag L-GOTO GOTO-S_GOTO-4 180
488117 2025-05-07 11:49:14 2460802.992522 18.4 ABMag L-GOTO GOTO-S_GOTO-4 180 [Last non detection]
orange-ATLAS ATLAS-CHL_ATLAS-04 2025-05-14 04:20:16 - 2025-05-14 04:20:16 2460809.68074 - 2460809.68074 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
488227 2025-05-14 04:20:16 2460809.68074 17.481 0.098 18.33 ABMag orange-ATLAS ATLAS-CHL_ATLAS-04 30 Robot
489150 2025-05-14 04:20:16 2460809.68074 17.481 0.098 18.33 ABMag orange-ATLAS ATLAS-CHL_ATLAS-04 30 Robot
orange-ATLAS ATLAS-STH_ATLAS-03 2025-05-07 18:24:10 - 2025-05-07 18:24:10 2460803.26678 - 2460803.26678 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
488226 2025-05-07 18:24:10 2460803.26678 18.54 ABMag orange-ATLAS ATLAS-STH_ATLAS-03 30 Robot [Last non detection]
489149 2025-05-07 18:24:10 2460803.26678 18.54 ABMag orange-ATLAS ATLAS-STH_ATLAS-03 30 Robot [Last non detection]
r-ZTF P48_ZTF-Cam 2025-05-03 06:32:10 - 2025-05-09 05:46:53 2460798.772338 - 2460804.7408912 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
487525 2025-05-09 05:46:53 2460804.7408912 18.2 0.086 ABMag r-ZTF P48_ZTF-Cam 30 ZTFbot
487524 2025-05-03 06:32:10 2460798.772338 20.064 ABMag r-ZTF P48_ZTF-Cam 30 ZTFbot [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
255485 2025-05-20 06:38:31 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 13:22:46.400 -23:55:39.53 2025-05-14 04:20:15.936 17.481 orange-ATLAS PSN ATLAS25eyl ATLAS N
255007 2025-05-15 08:22:56 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 13:22:46.400 -23:55:39.45 2025-05-14 04:20:15.936 17.481 orange-ATLAS PSN ATLAS25eyl ATLAS N
254964 2025-05-14 13:13:40 GOTO_bot A. Kumar,D. O'Neill,K. Ackley et al. GOTO GOTO 13:22:46.373 -23:55:40.22 2025-05-14 09:14:25.728 17.57 L-GOTO Other GOTO25coz GOTO N
254616 2025-05-09 06:46:58 Ismael Perez-Fournon I. Pérez-Fournon (IAC and ULL),D. Cano-Morales,I. Correa-Plasencia et al. SGLF ZTF 13:22:46.389 -23:55:39.75 2025-05-09 05:46:53.000 18.2 r-ZTF PSN LEDA 158816 ZTF25aaptbyd ZTF SN candidate discovered using the public ZTF alerts, the LSST/ZTF brokers, and our SGLF filters. ZTF light curve available at the LSST/ZTF brokers, e.g.: https://lasair-ztf.lsst.ac.uk/objects/ZTF25aaptbyd/ https://alerce.online/object/ZTF25aaptbyd https://antares.noirlab.edu/loci/ANT2025cjhdg6yf6zic 2025TNSTR1726....1P N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
21059 2025-05-19 19:01:45 ZTF_Bot1 J. Sollerman, S. Covarrubias, M. Chu, C. Fremling (Caltech) on behalf of the Zwicky Transient Facility (ZTF) ZTF SN Ia 0.043477 1 Add ZTF 2025TNSCR1844....1S
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
21059 2025-05-17 05:56:48 P60 / SEDM 2160 SEDmRobot ZTF tns_2025kfa_2025-05-17_05-56-48.363402_P60_SEDM_ZTF.ascii Object

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