2025ahyt

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Information

Transient

Name: SN2025ahyt
Right ascension: 9h52m50.53s
Declination: 39d36m56.05s
Discovery Date: Dec. 22, 2025, 10:20 a.m.
Classification: SN Ia
Redshift: 0.045792
MW E(B-V): 0.013

Host

Name: SDSSJ095250.67+39365
Right ascension: 9h52m50.64s
Declination: 39d36m57.64s
Redshift: None
Photometric Redshift: 0.046

Processing Status: completed

Task Name	Status	Time taken (s)
Cutout download	not processed	16.79
Transient MWEBV	not processed	0.12
Host match	not processed	4.32
Host information	not processed	0.16
Host MWEBV	not processed	0.12
Global aperture construction	not processed	0.62
Global aperture photometry	not processed	5.53
Validate global photometry	not processed	20.64
Global host SED inference	not processed	645.04
Local aperture photometry	not processed	5.27
Validate local photometry	not processed	0.03
Local host SED inference	not processed	536.42

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) = 9h52m50.52s, 39d36m56.20s
semi major axis, semi minor axis (arcsec) = 2.21, 2.21
angle (degrees, anti-clockwise from east) = 0.0

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
SDSS_u	38.51	2.01	19.936	0.057	AB
SDSS_g	108.35	2.76	18.813	0.028	AB
PanSTARRS_g	105.81	0.63	18.839	0.006	AB
SDSS_r	157.04	3.35	18.410	0.023	AB
PanSTARRS_r	155.7	0.62	18.419	0.004	AB
SDSS_i	197.72	3.93	18.160	0.022	AB
PanSTARRS_i	194.94	0.57	18.175	0.003	AB
PanSTARRS_z	207.43	1.16	18.108	0.006	AB
SDSS_z	224.7	6.15	18.021	0.030	AB
DES_z	235.65	2.42	17.969	0.011	AB
PanSTARRS_y	215.86	3.26	18.065	0.016	AB

Aperture details

RA, DEC (J2000) = 9h52m50.67s, 39d36m57.75s
semi major axis, semi minor axis (arcsec) = 7.07, 5.8
angle (degrees, anti-clockwise from east) = -14.35

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	61.97	8.05	19.420	0.141	AB
GALEX_NUV	88.76	5.67	19.029	0.069	AB
SDSS_u	143.62	4.76	18.507	0.036	AB
SDSS_g	388.42	5.39	17.427	0.015	AB
PanSTARRS_g	390.57	1.74	17.421	0.005	AB
SDSS_r	564.42	6.6	17.021	0.013	AB
PanSTARRS_r	585.49	1.68	16.981	0.003	AB
SDSS_i	718.06	8.15	16.760	0.012	AB
PanSTARRS_i	729.03	1.6	16.743	0.002	AB
PanSTARRS_z	778.19	3.26	16.672	0.005	AB
SDSS_z	832.63	15.79	16.599	0.021	AB
DES_z	827.94	4.69	16.605	0.006	AB
PanSTARRS_y	825.01	9.34	16.609	0.012	AB
2MASS_J	918.18	126.6	15.598	0.150	Vega
2MASS_H	1364.82	181.4	14.695	0.144	Vega
2MASS_K	925.62	239.25	14.646	0.281	Vega
WISE_W1	412.76	16.82	14.662	0.044	Vega
WISE_W2	250.84	20.82	14.563	0.090	Vega
WISE_W3	789.33	76.55	11.483	0.105	Vega
WISE_W4	684.23	551.75	10.192	0.875	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})\,	9.123	9.245	9.357
{\rm log}_{10}({\rm SFR})	-1.603	-0.951	-0.354
{\rm log}_{10}({\rm sSFR})	-10.897	-10.201	-9.561
{\rm stellar\ age}	5.357	7.128	8.868

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.770	-1.420	-1.016
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.862	-1.312	0.062

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.143	0.464	0.789
\delta	-0.384	0.038	0.291
\tau_1/\tau_2	0.770	1.114	1.457
Q_{PAH}	0.901	2.756	5.440
U_{min}	2.917	7.910	15.139
{\rm log}_{10}(\gamma_e)\,	-3.296	-2.215	-0.882

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.642	-1.495	-0.337
{\rm log}_{10}(\tau_{AGN})\,	0.888	1.370	1.946

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-2.186	-1.451	-0.887
0.03-0.10 Gyr	-1.657	-0.863	-0.226
0.10-0.33 Gyr	-1.468	-0.748	-0.223
0.33-1.09 Gyr	-1.804	-0.984	-0.530
1.09-3.59 Gyr	-1.719	-0.879	-0.552
3.59-11.83 Gyr	-1.090	-0.682	-0.499
11.83-13.14 Gyr	-1.270	-0.626	-0.014

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	9.755	9.831	9.940
{\rm log}_{10}({\rm SFR})	-0.335	-0.043	0.253
{\rm log}_{10}({\rm sSFR})	-10.158	-9.870	-9.584
{\rm stellar\ age}	7.453	8.506	11.816

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.486	-1.137	-0.871
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.767	-0.126	0.373

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.088	0.176	0.308
\delta	-0.422	-0.049	0.207
\tau_1/\tau_2	0.511	0.945	1.408
Q_{PAH}	0.599	1.780	3.616
U_{min}	3.068	8.530	16.141
{\rm log}_{10}(\gamma_e)\,	-3.173	-2.334	-1.401

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.909	-2.538	-1.853
{\rm log}_{10}(\tau_{AGN})\,	1.009	1.408	1.844

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-2.638	-0.968	-0.540
0.03-0.10 Gyr	-0.240	0.097	0.414
0.10-0.33 Gyr	-2.295	-0.625	-0.155
0.33-1.09 Gyr	-3.196	-1.043	-0.532
1.09-3.59 Gyr	-3.013	-1.000	-0.423
3.59-11.83 Gyr	-1.032	-0.092	0.072
11.83-13.14 Gyr	-0.430	0.346	1.040