2025ahqd

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Information

Transient

Name: AT2025ahqd
Right ascension: 9h58m55.21s
Declination: 16d08m50.18s
Discovery Date: Dec. 19, 2025, 12:35 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.027

Host

Name:
Right ascension: 9h58m55.17s
Declination: 16d08m50.19s
Redshift: None
Photometric Redshift: 0.131

Processing Status: blocked

Task Name	Status	Time taken (s)
Cutout download	processed	18.9
Transient MWEBV	processed	0.14
Host match	processed	6.38
Host information	processed	0.13
Host MWEBV	processed	0.06
Global aperture construction	processed	0.62
Global aperture photometry	processed	6.87
Validate global photometry	processed	3.45
Global host SED inference	processed	441.21
Local aperture photometry	processed	6.73
Validate local photometry	no valid phot	0.03
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) = 9h58m55.21s, 16d08m50.18s
semi major axis, semi minor axis (arcsec) = 0.86, 0.86
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) = 9h58m55.16s, 16d08m50.33s
semi major axis, semi minor axis (arcsec) = 3.41, 3.11
angle (degrees, anti-clockwise from east) = -84.88

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	13.34	2.75	21.087	0.224	AB
GALEX_NUV	16.35	1.9	20.866	0.126	AB
SDSS_u	39.32	2.9	19.914	0.080	AB
SDSS_g	86.57	2.57	19.057	0.032	AB
DES_g	85.29	0.46	19.073	0.006	AB
PanSTARRS_g	90.59	0.67	19.007	0.008	AB
SDSS_r	147.36	3.5	18.479	0.026	AB
PanSTARRS_r	148.32	0.91	18.472	0.007	AB
DES_r	148.29	0.87	18.472	0.006	AB
SDSS_i	213.35	4.62	18.077	0.024	AB
PanSTARRS_i	190.3	1.08	18.201	0.006	AB
PanSTARRS_z	217.54	2.12	18.056	0.011	AB
SDSS_z	217.3	9.67	18.057	0.048	AB
DES_z	231.31	2.96	17.990	0.014	AB
PanSTARRS_y	266.18	4.81	17.837	0.020	AB
2MASS_J	312.82	78.92	16.767	0.274	Vega
2MASS_H	311.61	132.82	16.298	0.463	Vega
2MASS_K	579.3	136.61	15.155	0.256	Vega
WISE_W1	138.3	12.76	15.849	0.100	Vega
WISE_W2	95.05	15.85	15.616	0.181	Vega
WISE_W3	251.23	59.34	12.726	0.256	Vega
WISE_W4	367.5	456.52	10.867	1.349	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})\,	10.096	10.137	10.185
{\rm log}_{10}({\rm SFR})	0.174	0.379	0.588
{\rm log}_{10}({\rm sSFR})	-9.965	-9.755	-9.542
{\rm stellar\ age}	6.224	6.888	7.888

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-0.473	-0.334	-0.206
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.522	-0.987	-0.065

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.109	0.151	0.234
\delta	-0.902	-0.678	-0.320
\tau_1/\tau_2	0.842	1.170	1.486
Q_{PAH}	0.256	0.869	1.913
U_{min}	2.401	6.871	13.547
{\rm log}_{10}(\gamma_e)\,	-2.543	-1.765	-0.957

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.187	-2.980	-1.975
{\rm log}_{10}(\tau_{AGN})\,	1.031	1.481	1.860

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-0.012	0.108	0.224
0.03-0.10 Gyr	0.218	0.470	0.702
0.10-0.32 Gyr	-0.128	0.143	0.360
0.32-1.04 Gyr	-0.466	-0.123	0.108
1.04-3.37 Gyr	-0.347	0.010	0.239
3.37-10.87 Gyr	0.166	0.306	0.393
10.87-12.08 Gyr	0.026	0.425	0.850