2025wtk

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Information

Transient

Name: SN2025wtk
Right ascension: 0h44m35.78s
Declination: -3d38m02.60s
Discovery Date: Sept. 3, 2025, 12:16 a.m.
Classification: SN Ia
Redshift: 0.086000
MW E(B-V): 0.029

Host

Name:
Right ascension: 0h44m35.37s
Declination: -3d38m05.75s
Redshift: 0.075841
Photometric Redshift: 0.081

Processing Status: completed

Task Name	Status	Time taken (s)
Cutout download	processed	16.47
Transient MWEBV	processed	0.04
Host match	processed	7.48
Host information	processed	0.11
Host MWEBV	processed	0.05
Global aperture construction	processed	0.63
Global aperture photometry	processed	5.27
Validate global photometry	processed	13.45
Global host SED inference	processed	449.84
Local aperture photometry	processed	5.45
Validate local photometry	processed	0.02
Local host SED inference	processed	426.9

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) = 0h44m35.78s, -3d38m02.60s
semi major axis, semi minor axis (arcsec) = 1.39, 1.39
angle (degrees, anti-clockwise from east) = 0.0

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
DES_g	8.61	0.12	21.562	0.015	AB
PanSTARRS_g	8.62	0.44	21.561	0.056	AB
SDSS_r	15.87	1.27	20.899	0.087	AB
PanSTARRS_r	13.44	0.33	21.079	0.026	AB
SDSS_i	20.29	1.76	20.632	0.094	AB
PanSTARRS_i	21.84	0.53	20.552	0.026	AB
PanSTARRS_z	26.66	0.87	20.335	0.036	AB
SDSS_z	28.7	4.6	20.255	0.174	AB
PanSTARRS_y	29.38	1.94	20.230	0.072	AB

Aperture details

RA, DEC (J2000) = 0h44m35.36s, -3d38m05.23s
semi major axis, semi minor axis (arcsec) = 16.91, 7.12
angle (degrees, anti-clockwise from east) = -171.88

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	27.03	1.4	20.320	0.056	AB
GALEX_NUV	41.8	1.17	19.847	0.030	AB
SDSS_u	95.17	9.85	18.954	0.112	AB
SDSS_g	551.21	7.63	17.047	0.015	AB
DES_g	643.62	0.97	16.878	0.002	AB
PanSTARRS_g	633.92	3.51	16.895	0.006	AB
SDSS_r	1193.56	10.75	16.208	0.010	AB
PanSTARRS_r	1159.18	2.59	16.240	0.002	AB
SDSS_i	1757.95	15.05	15.787	0.009	AB
PanSTARRS_i	1771.91	4.14	15.779	0.003	AB
PanSTARRS_z	2146.79	6.9	15.571	0.003	AB
SDSS_z	2241.88	36.83	15.523	0.018	AB
PanSTARRS_y	2463.4	15.16	15.421	0.007	AB
WISE_W1	1655.56	28.96	13.154	0.019	Vega
WISE_W2	1003.63	37.97	13.057	0.041	Vega
WISE_W3	1549.67	157.83	10.750	0.111	Vega
WISE_W4	678.54	703.58	10.201	1.126	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})\,	8.611	8.851	9.007
{\rm log}_{10}({\rm SFR})	-1.563	-0.940	-0.180
{\rm log}_{10}({\rm sSFR})	-10.432	-9.783	-8.869
{\rm stellar\ age}	1.663	5.590	7.241

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.539	-0.752	-0.067
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.605	-0.851	0.030

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.692	1.258	1.797
\delta	-0.156	0.068	0.270
\tau_1/\tau_2	0.674	1.036	1.403
Q_{PAH}	0.744	2.464	4.918
U_{min}	3.094	8.239	15.572
{\rm log}_{10}(\gamma_e)\,	-3.056	-1.819	-0.602

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.451	-0.898	-0.018
{\rm log}_{10}(\tau_{AGN})\,	1.019	1.463	1.890

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-1.707	-1.156	-0.683
0.03-0.10 Gyr	-1.761	-0.947	-0.065
0.10-0.33 Gyr	-1.855	-1.044	-0.374
0.33-1.07 Gyr	-1.905	-1.032	-0.523
1.07-3.51 Gyr	-2.422	-1.130	-0.814
3.51-11.48 Gyr	-2.769	-1.191	-0.890
11.48-12.75 Gyr	-2.765	-1.226	-0.649

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	10.872	10.950	10.998
{\rm log}_{10}({\rm SFR})	-0.431	-0.033	0.350
{\rm log}_{10}({\rm sSFR})	-11.386	-10.969	-10.559
{\rm stellar\ age}	9.051	11.841	12.094

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-0.789	-0.597	-0.453
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.491	-0.824	-0.111

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.164	0.283	0.437
\delta	-0.454	-0.157	0.024
\tau_1/\tau_2	0.549	1.039	1.544
Q_{PAH}	0.254	0.879	2.341
U_{min}	3.278	8.922	16.548
{\rm log}_{10}(\gamma_e)\,	-2.821	-1.895	-1.262

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.371	-3.393	-2.436
{\rm log}_{10}(\tau_{AGN})\,	1.032	1.508	1.919

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-0.159	0.123	0.415
0.03-0.10 Gyr	-1.643	-0.223	0.361
0.10-0.33 Gyr	-3.972	-1.136	-0.155
0.33-1.07 Gyr	-5.269	-1.589	-0.364
1.07-3.51 Gyr	-4.180	-1.673	-0.381
3.51-11.48 Gyr	-1.548	-0.068	1.014
11.48-12.75 Gyr	1.543	2.072	2.136