2025kwy

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Information

Transient

Name: SN2025kwy
Right ascension: 14h02m42.16s
Declination: -20d26m11.70s
Discovery Date: May 20, 2025, 6:52 a.m.
Classification: SN Ia
Redshift: 0.032496
MW E(B-V): 0.060

Host

Name: 2025kwy
Right ascension: 14h02m42.13s
Declination: -20d26m12.23s
Redshift: None
Photometric Redshift: 0.036

Processing Status: completed

Task Name	Status	Time taken (s)
Cutout download	processed	0.51
Transient MWEBV	processed	0.11
Host match	processed	2.3
Host information	processed	0.1
Host MWEBV	processed	0.05
Global aperture construction	processed	0.7
Global aperture photometry	processed	4.37
Validate global photometry	processed	11.99
Global host SED inference	processed	578.42
Local aperture photometry	processed	4.19
Validate local photometry	processed	0.02
Local host SED inference	processed	561.48

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) = 14h02m42.16s, -20d26m11.70s
semi major axis, semi minor axis (arcsec) = 3.08, 3.08
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	437.62	0.93	17.297	0.002	AB
PanSTARRS_r	770.78	0.98	16.683	0.001	AB
PanSTARRS_i	1018.22	1.41	16.380	0.002	AB
PanSTARRS_z	1246.78	2.14	16.161	0.002	AB
PanSTARRS_y	1438.3	5.21	16.005	0.004	AB
2MASS_J	1596.15	63.59	14.997	0.043	Vega
2MASS_H	1856.88	107.81	14.360	0.063	Vega
2MASS_K	1594.69	144.03	14.056	0.098	Vega

Aperture details

RA, DEC (J2000) = 14h02m42.00s, -20d26m13.22s
semi major axis, semi minor axis (arcsec) = 25.2, 14.4
angle (degrees, anti-clockwise from east) = -130.15

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	209.81	14.46	18.095	0.075	AB
GALEX_NUV	282.72	7.6	17.772	0.029	AB
PanSTARRS_g	2151.22	5.12	15.568	0.003	AB
PanSTARRS_r	3687.68	5.4	14.983	0.002	AB
PanSTARRS_i	5030.12	8.09	14.646	0.002	AB
PanSTARRS_z	6245.43	12.42	14.411	0.002	AB
PanSTARRS_y	7248.89	31.58	14.249	0.005	AB
2MASS_H	9327.34	666.89	12.608	0.078	Vega
WISE_W1	3869.23	184.5	12.232	0.052	Vega
WISE_W2	2391.01	113.16	12.115	0.051	Vega
WISE_W3	7262.66	254.86	9.073	0.038	Vega
WISE_W4	5575.99	1025.85	7.914	0.200	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})\,	9.545	9.704	9.855
{\rm log}_{10}({\rm SFR})	-1.478	-0.637	-0.010
{\rm log}_{10}({\rm sSFR})	-11.286	-10.362	-9.642
{\rm stellar\ age}	3.889	6.752	8.526

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.481	-0.898	-0.567
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.838	-1.420	-0.057

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.284	0.683	0.988
\delta	-0.636	-0.370	0.110
\tau_1/\tau_2	0.687	1.030	1.393
Q_{PAH}	0.862	2.606	4.767
U_{min}	2.676	7.969	15.035
{\rm log}_{10}(\gamma_e)\,	-3.299	-2.049	-1.181

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.130	-2.268	-0.821
{\rm log}_{10}(\tau_{AGN})\,	0.907	1.350	1.905

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-1.518	-0.703	-0.267
0.03-0.10 Gyr	-1.946	-0.690	0.082
0.10-0.33 Gyr	-1.724	-0.465	0.207
0.33-1.09 Gyr	-1.254	-0.368	0.125
1.09-3.62 Gyr	-0.951	-0.277	0.042
3.62-11.99 Gyr	-0.955	-0.285	-0.030
11.99-13.32 Gyr	-1.076	-0.228	0.414

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	10.468	10.565	10.619
{\rm log}_{10}({\rm SFR})	0.147	0.467	0.893
{\rm log}_{10}({\rm sSFR})	-10.418	-10.061	-9.645
{\rm stellar\ age}	8.652	11.842	12.538

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-0.700	-0.503	-0.387
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-0.205	0.253	0.415

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.083	0.143	0.269
\delta	-0.822	-0.521	-0.168
\tau_1/\tau_2	0.704	1.221	1.673
Q_{PAH}	0.335	0.983	2.116
U_{min}	2.952	8.566	16.390
{\rm log}_{10}(\gamma_e)\,	-2.692	-1.682	-1.089

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.244	-3.123	-2.107
{\rm log}_{10}(\tau_{AGN})\,	1.224	1.731	2.018

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-1.268	-0.197	0.126
0.03-0.10 Gyr	0.217	0.593	1.042
0.10-0.33 Gyr	-3.037	-1.234	-0.233
0.33-1.09 Gyr	-5.225	-1.767	-0.636
1.09-3.62 Gyr	-3.929	-1.690	-0.568
3.62-11.99 Gyr	-1.532	-0.049	0.664
11.99-13.32 Gyr	0.900	1.629	1.733