2025kfa

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Information

Transient

Name: SN2025kfa
Right ascension: 13h22m46.39s
Declination: -23d55m39.75s
Discovery Date: May 9, 2025, 5:46 a.m.
Classification: SN Ia
Redshift: 0.043477
MW E(B-V): 0.085

Host

Name: 2025kfa
Right ascension: 13h22m46.45s
Declination: -23d55m45.94s
Redshift: 0.043477
Photometric Redshift: 0.047

Processing Status: completed

Task Name	Status	Time taken (s)
Cutout download	processed	0.49
Transient MWEBV	processed	0.06
Host match	processed	1.76
Host information	processed	0.1
Host MWEBV	processed	0.1
Global aperture construction	processed	0.68
Global aperture photometry	processed	4.21
Validate global photometry	processed	12.1
Global host SED inference	processed	402.07
Local aperture photometry	processed	4.32
Validate local photometry	processed	0.02
Local host SED inference	processed	455.82

Cutout Download Report

2MASS_H: 2MASS_J: 2MASS_K: WISE_W1: WISE_W2: WISE_W3: WISE_W4: GALEX_NUV: GALEX_FUV: PanSTARRS_g: PanSTARRS_r: PanSTARRS_i: PanSTARRS_z: PanSTARRS_y: SDSS_i: SDSS_r: SDSS_u: SDSS_z: SDSS_g: DES_g: DES_r: DES_i: DES_z: DES_Y:

Aperture Photometry

Aperture details

RA, DEC (J2000) = 13h22m46.39s, -23d55m39.75s
semi major axis, semi minor axis (arcsec) = 2.34, 2.34
angle (degrees, anti-clockwise from east) = 0.0

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
PanSTARRS_g	69.19	0.7	19.300	0.011	AB
PanSTARRS_r	117.56	0.95	18.724	0.009	AB
PanSTARRS_i	156.42	0.86	18.414	0.006	AB
PanSTARRS_z	185.19	1.65	18.231	0.010	AB
PanSTARRS_y	216.16	3.65	18.063	0.018	AB

Aperture details

RA, DEC (J2000) = 13h22m46.45s, -23d55m46.10s
semi major axis, semi minor axis (arcsec) = 14.69, 9.95
angle (degrees, anti-clockwise from east) = -15.2

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	67.87	8.08	19.321	0.129	AB
GALEX_NUV	102.89	6.45	18.869	0.068	AB
PanSTARRS_g	1302.11	3.54	16.113	0.003	AB
PanSTARRS_r	2349.47	4.83	15.473	0.002	AB
PanSTARRS_i	3249.24	4.37	15.121	0.001	AB
PanSTARRS_z	3908.87	8.4	14.920	0.002	AB
PanSTARRS_y	4804.46	18.79	14.696	0.004	AB
2MASS_J	5740.27	348.65	13.608	0.066	Vega
2MASS_H	7473.11	437.61	12.849	0.064	Vega
2MASS_K	6718.16	600.88	12.494	0.097	Vega
WISE_W1	3209.79	34.34	12.435	0.012	Vega
WISE_W2	1940.92	39.2	12.341	0.022	Vega
WISE_W4	2930.07	656.0	8.613	0.243	Vega

Imaging data

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Spectral Energy Distribution

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Host SED inference

Local parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	9.042	9.172	9.276
{\rm log}_{10}({\rm SFR})	-1.859	-1.195	-0.618
{\rm log}_{10}({\rm sSFR})	-11.034	-10.365	-9.772
{\rm stellar\ age}	5.368	7.067	8.613

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.445	-0.952	-0.602
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.747	-1.052	-0.008

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.174	0.475	0.786
\delta	-0.670	-0.237	0.157
\tau_1/\tau_2	0.672	1.030	1.387
Q_{PAH}	0.693	2.236	4.584
U_{min}	3.106	8.382	15.246
{\rm log}_{10}(\gamma_e)\,	-3.093	-2.010	-0.689

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.295	-1.204	-0.444
{\rm log}_{10}(\tau_{AGN})\,	1.088	1.485	1.916

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-1.987	-1.343	-0.940
0.03-0.10 Gyr	-2.030	-1.195	-0.525
0.10-0.33 Gyr	-1.869	-1.060	-0.533
0.33-1.09 Gyr	-1.871	-1.010	-0.625
1.09-3.59 Gyr	-1.512	-0.855	-0.583
3.59-11.86 Gyr	-1.123	-0.749	-0.566
11.86-13.17 Gyr	-1.332	-0.701	-0.133

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	10.500	10.546	10.599
{\rm log}_{10}({\rm SFR})	-0.073	0.173	0.493
{\rm log}_{10}({\rm sSFR})	-10.638	-10.367	-10.020
{\rm stellar\ age}	7.189	7.841	9.508

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-0.514	-0.323	-0.195
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.625	0.097	0.379

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.123	0.224	0.364
\delta	-0.589	-0.196	0.102
\tau_1/\tau_2	0.672	1.017	1.373
Q_{PAH}	0.326	1.027	2.402
U_{min}	2.618	6.925	13.959
{\rm log}_{10}(\gamma_e)\,	-3.359	-2.450	-1.619

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.219	-3.263	-2.373
{\rm log}_{10}(\tau_{AGN})\,	0.955	1.397	1.836

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-0.604	-0.083	0.161
0.03-0.10 Gyr	-0.109	0.237	0.631
0.10-0.33 Gyr	-0.197	0.208	0.493
0.33-1.09 Gyr	-0.339	0.059	0.310
1.09-3.59 Gyr	-0.241	0.252	0.524
3.59-11.86 Gyr	0.481	0.693	0.791
11.86-13.17 Gyr	0.399	0.826	1.398