2025ahqk

Download data

Information

Transient

Name: AT2025ahqk
Right ascension: 0h08m37.55s
Declination: 3d58m13.97s
Discovery Date: Dec. 18, 2025, 2:54 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.021

Host

Name:
Right ascension: 0h08m37.59s
Declination: 3d58m13.98s
Redshift: None
Photometric Redshift: 0.093

Processing Status: completed

Task Name	Status	Time taken (s)
Cutout download	processed	18.25
Transient MWEBV	processed	0.04
Host match	processed	10.78
Host information	processed	0.11
Host MWEBV	processed	0.04
Global aperture construction	processed	0.63
Global aperture photometry	processed	7.41
Validate global photometry	processed	18.03
Global host SED inference	processed	623.77
Local aperture photometry	processed	6.94
Validate local photometry	processed	0.03
Local host SED inference	processed	509.48

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) = 0h08m37.55s, 3d58m13.97s
semi major axis, semi minor axis (arcsec) = 1.16, 1.16
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	46.52	0.28	19.731	0.007	AB
DES_r	98.13	0.43	18.920	0.005	AB
PanSTARRS_i	121.01	0.44	18.693	0.004	AB
PanSTARRS_z	151.99	0.91	18.445	0.006	AB
DES_z	170.83	1.51	18.319	0.010	AB
PanSTARRS_y	171.92	2.07	18.312	0.013	AB

Aperture details

RA, DEC (J2000) = 0h08m37.58s, 3d58m14.11s
semi major axis, semi minor axis (arcsec) = 7.56, 4.9
angle (degrees, anti-clockwise from east) = -114.11

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	21.62	4.71	20.563	0.236	AB
GALEX_NUV	27.45	3.47	20.304	0.137	AB
SDSS_u	110.31	4.69	18.793	0.046	AB
SDSS_g	235.34	4.52	17.971	0.021	AB
DES_g	236.64	0.71	17.965	0.003	AB
PanSTARRS_g	246.5	2.21	17.920	0.010	AB
SDSS_r	383.99	5.89	17.439	0.017	AB
PanSTARRS_r	382.3	1.51	17.444	0.004	AB
DES_r	412.36	0.97	17.362	0.003	AB
SDSS_i	529.03	7.52	17.091	0.015	AB
PanSTARRS_i	516.56	2.11	17.117	0.004	AB
PanSTARRS_z	618.29	4.53	16.922	0.008	AB
SDSS_z	696.91	19.27	16.792	0.030	AB
DES_z	645.0	3.19	16.876	0.005	AB
PanSTARRS_y	716.61	10.63	16.762	0.016	AB
2MASS_J	833.39	138.69	15.703	0.181	Vega
2MASS_H	1142.23	202.78	14.888	0.193	Vega
2MASS_K	897.04	217.79	14.680	0.264	Vega
WISE_W1	398.4	15.73	14.700	0.043	Vega
WISE_W2	268.76	18.38	14.488	0.074	Vega
WISE_W3	582.31	87.75	11.813	0.164	Vega
WISE_W4	-60.98	455.42			Vega

Imaging data

Click the image to load the interactive plot.

Spectral Energy Distribution

Click the image to load the interactive plot.

Host SED inference

Local parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	9.709	9.798	9.889
{\rm log}_{10}({\rm SFR})	-2.317	-1.351	-0.691
{\rm log}_{10}({\rm sSFR})	-12.182	-11.181	-10.507
{\rm stellar\ age}	5.731	7.257	9.103

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.223	-0.624	-0.240
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.565	-0.744	0.054

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.113	0.347	0.840
\delta	-0.672	-0.259	0.188
\tau_1/\tau_2	0.612	0.985	1.351
Q_{PAH}	0.925	3.172	5.687
U_{min}	3.317	8.418	15.469
{\rm log}_{10}(\gamma_e)\,	-3.037	-1.843	-0.395

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-2.132	-0.615	-0.233
{\rm log}_{10}(\tau_{AGN})\,	1.138	1.653	2.033

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-2.845	-1.652	-1.047
0.03-0.10 Gyr	-2.490	-1.335	-0.593
0.10-0.33 Gyr	-2.012	-0.989	-0.293
0.33-1.06 Gyr	-1.757	-0.754	-0.154
1.06-3.46 Gyr	-1.398	-0.360	0.012
3.46-11.29 Gyr	-0.517	-0.070	0.084
11.29-12.55 Gyr	-0.692	0.004	0.691

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	10.244	10.339	10.472
{\rm log}_{10}({\rm SFR})	0.489	0.829	1.281
{\rm log}_{10}({\rm sSFR})	-9.855	-9.482	-9.058
{\rm stellar\ age}	6.788	7.987	11.524

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.094	-0.743	-0.502
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.160	0.075	0.406

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.175	0.274	0.439
\delta	-0.879	-0.640	-0.386
\tau_1/\tau_2	0.451	0.952	1.429
Q_{PAH}	0.295	0.909	2.083
U_{min}	3.095	9.123	16.977
{\rm log}_{10}(\gamma_e)\,	-3.246	-2.375	-1.505

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.204	-2.068	-1.659
{\rm log}_{10}(\tau_{AGN})\,	0.997	1.357	1.784

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-2.695	-1.255	-0.365
0.03-0.10 Gyr	0.642	0.988	1.444
0.10-0.33 Gyr	-3.078	-1.627	0.032
0.33-1.06 Gyr	-5.113	-2.001	-0.100
1.06-3.46 Gyr	-3.591	-1.013	0.191
3.46-11.29 Gyr	-1.116	0.343	0.589
11.29-12.55 Gyr	-0.344	0.871	1.587