2025ahgk

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Information

Transient

Name: AT2025ahgk
Right ascension: 22h46m40.88s
Declination: 0d32m22.67s
Discovery Date: Dec. 15, 2025, 12:10 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.072

Host

Name:
Right ascension: 22h46m40.96s
Declination: 0d32m36.25s
Redshift: 0.049299
Photometric Redshift:

Processing Status: completed

Task Name	Status	Time taken (s)
Cutout download	processed	20.51
Transient MWEBV	processed	0.05
Host match	processed	7.1
Host information	processed	0.12
Host MWEBV	processed	0.04
Global aperture construction	processed	0.62
Global aperture photometry	processed	5.26
Validate global photometry	processed	16.22
Global host SED inference	processed	404.93
Local aperture photometry	processed	5.55
Validate local photometry	processed	0.02
Local host SED inference	processed	586.47

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) = 22h46m40.88s, 0d32m22.67s
semi major axis, semi minor axis (arcsec) = 2.07, 2.07
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	-2.37	1.47			AB
SDSS_g	4.81	0.86	22.195	0.194	AB
PanSTARRS_g	5.55	0.56	22.040	0.109	AB
SDSS_r	19.26	1.63	20.689	0.092	AB
PanSTARRS_r	23.2	0.62	20.486	0.029	AB
SDSS_i	36.39	2.45	19.997	0.073	AB
PanSTARRS_i	38.12	0.58	19.947	0.016	AB
PanSTARRS_z	52.9	1.45	19.591	0.030	AB
SDSS_z	46.49	6.84	19.732	0.160	AB
PanSTARRS_y	59.58	3.62	19.462	0.066	AB

Aperture details

RA, DEC (J2000) = 22h46m40.94s, 0d32m36.55s
semi major axis, semi minor axis (arcsec) = 12.07, 8.14
angle (degrees, anti-clockwise from east) = -81.26

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	3.37	0.9	22.582	0.292	AB
GALEX_NUV	8.49	0.6	21.578	0.077	AB
SDSS_u	50.54	7.21	19.641	0.155	AB
SDSS_g	526.13	6.59	17.097	0.014	AB
PanSTARRS_g	574.07	2.67	17.003	0.005	AB
SDSS_r	1158.54	10.25	16.240	0.010	AB
PanSTARRS_r	1125.97	2.96	16.271	0.003	AB
SDSS_i	1710.33	13.89	15.817	0.009	AB
PanSTARRS_i	1662.43	2.71	15.848	0.002	AB
PanSTARRS_z	2125.38	6.69	15.581	0.003	AB
SDSS_z	2223.02	33.46	15.533	0.016	AB
PanSTARRS_y	2463.19	16.94	15.421	0.007	AB
2MASS_J	3195.34	238.41	14.244	0.081	Vega
2MASS_H	3334.33	395.28	13.725	0.129	Vega
2MASS_K	3152.34	428.54	13.316	0.148	Vega
WISE_W1	1605.52	29.32	13.187	0.020	Vega
WISE_W2	949.6	38.1	13.117	0.044	Vega
WISE_W3	308.87	212.98	12.502	0.749	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})\,	9.107	9.237	9.362
{\rm log}_{10}({\rm SFR})	-1.525	-1.044	-0.628
{\rm log}_{10}({\rm sSFR})	-10.830	-10.285	-9.880
{\rm stellar\ age}	7.525	9.275	12.329

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.475	-0.996	-0.561
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.680	0.077	0.367

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	1.451	1.779	2.078
\delta	-0.204	-0.052	0.083
\tau_1/\tau_2	0.507	0.856	1.214
Q_{PAH}	0.472	1.850	4.324
U_{min}	2.943	8.421	15.730
{\rm log}_{10}(\gamma_e)\,	-3.382	-2.527	-1.264

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.546	-1.822	-0.585
{\rm log}_{10}(\tau_{AGN})\,	1.038	1.469	1.910

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-1.237	-0.733	-0.241
0.03-0.10 Gyr	-3.255	-1.667	-0.978
0.10-0.33 Gyr	-4.897	-2.199	-1.393
0.33-1.09 Gyr	-5.543	-2.329	-1.404
1.09-3.58 Gyr	-4.767	-2.150	-1.006
3.58-11.79 Gyr	-2.649	-0.843	-0.560
11.79-13.10 Gyr	-0.971	-0.050	0.474

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	10.359	10.428	10.504
{\rm log}_{10}({\rm SFR})	-1.060	-0.631	-0.330
{\rm log}_{10}({\rm sSFR})	-11.477	-11.055	-10.751
{\rm stellar\ age}	6.970	7.918	10.368

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.074	-0.799	-0.631
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.172	-0.753	-0.398

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.373	0.500	0.668
\delta	-0.738	-0.584	-0.432
\tau_1/\tau_2	0.477	0.822	1.161
Q_{PAH}	0.548	1.701	3.326
U_{min}	2.454	7.560	15.291
{\rm log}_{10}(\gamma_e)\,	-2.921	-1.337	-0.610

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.213	-3.155	-2.221
{\rm log}_{10}(\tau_{AGN})\,	1.075	1.552	1.953

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-1.296	-0.629	-0.292
0.03-0.10 Gyr	-1.427	-0.681	-0.299
0.10-0.33 Gyr	-1.289	-0.532	-0.123
0.33-1.09 Gyr	-0.939	-0.214	0.226
1.09-3.58 Gyr	-0.774	0.102	0.475
3.58-11.79 Gyr	0.177	0.557	0.681
11.79-13.10 Gyr	0.226	0.751	1.426