2025ahyk

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Information

Transient

Name: AT2025ahyk
Right ascension: 9h24m43.35s
Declination: 39d50m13.90s
Discovery Date: Dec. 21, 2025, 11:38 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.011

Host

Name:
Right ascension: 9h24m43.47s
Declination: 39d50m14.99s
Redshift: None
Photometric Redshift: 0.167

Processing Status: blocked

Task Name	Status	Time taken (s)
Cutout download	processed	19.65
Transient MWEBV	processed	0.08
Host match	processed	5.05
Host information	processed	0.16
Host MWEBV	processed	0.06
Global aperture construction	processed	2.68
Global aperture photometry	processed	2.02
Validate global photometry	processed	2.65
Global host SED inference	processed	490.45
Local aperture photometry	processed	6.43
Validate local photometry	no valid phot	0.04
Local host SED inference	not processed	None

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) = 9h24m43.35s, 39d50m13.90s
semi major axis, semi minor axis (arcsec) = 0.7, 0.7
angle (degrees, anti-clockwise from east) = 0.0

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys

Data not available

Aperture details

RA, DEC (J2000) = 9h24m43.48s, 39d50m15.56s
semi major axis, semi minor axis (arcsec) = 5.74, 2.94
angle (degrees, anti-clockwise from east) = -161.96

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	2.3	1.64	22.996	0.774	AB
GALEX_NUV	2.73	0.42	22.808	0.168	AB
SDSS_u	-2.34	2.67			AB
SDSS_g	11.52	1.55	21.247	0.146	AB
DES_g	11.38	0.29	21.260	0.028	AB
PanSTARRS_g	9.69	0.93	21.435	0.104	AB
SDSS_r	15.93	2.08	20.894	0.142	AB
PanSTARRS_r	15.92	0.87	20.895	0.059	AB
SDSS_i	21.54	2.97	20.567	0.150	AB
PanSTARRS_i	19.93	1.26	20.651	0.069	AB
PanSTARRS_z	22.17	2.26	20.536	0.111	AB
SDSS_z	27.08	10.57	20.319	0.424	AB
DES_z	19.44	1.14	20.678	0.063	AB
PanSTARRS_y	8.63	6.48	21.560	0.816	AB
2MASS_J	-7.05	106.32			Vega
2MASS_H	-145.51	183.01			Vega
2MASS_K	32.68	165.28	18.276	5.490	Vega
WISE_W1	9.93	8.79	18.709	0.961	Vega
WISE_W2	5.72	7.8	18.667	1.479	Vega
WISE_W3	-110.92	39.77			Vega
WISE_W4	426.75	273.09	10.705	0.695	Vega

Imaging data

Click the image to load the interactive plot.

Spectral Energy Distribution

Host SED inference

Local parameter details

Documentation

Data not available

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	8.892	9.111	9.276
{\rm log}_{10}({\rm SFR})	-0.587	-0.087	0.357
{\rm log}_{10}({\rm sSFR})	-9.768	-9.219	-8.652
{\rm stellar\ age}	0.582	3.106	5.335

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.629	-1.068	-0.288
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.685	-0.936	0.191

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.319	0.710	1.118
\delta	-0.212	0.085	0.287
\tau_1/\tau_2	0.640	1.017	1.405
Q_{PAH}	1.501	3.503	5.491
U_{min}	3.149	8.700	15.970
{\rm log}_{10}(\gamma_e)\,	-2.965	-1.782	-0.724

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.571	-1.302	-0.231
{\rm log}_{10}(\tau_{AGN})\,	0.965	1.389	1.857

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-0.745	-0.235	0.132
0.03-0.10 Gyr	-0.744	-0.078	0.451
0.10-0.32 Gyr	-0.596	-0.012	0.455
0.32-1.02 Gyr	-1.663	-0.464	-0.036
1.02-3.28 Gyr	-2.846	-0.926	-0.503
3.28-10.50 Gyr	-3.283	-1.240	-0.734
10.50-11.67 Gyr	-3.450	-1.297	-0.554