2025ahqg

Download data

Information

Transient

Name: AT2025ahqg
Right ascension: 23h25m01.25s
Declination: 17d56m42.10s
Discovery Date: Dec. 17, 2025, 5:25 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.046

Host

Name:
Right ascension: 23h25m01.59s
Declination: 17d56m46.02s
Redshift: 0.153069
Photometric Redshift:

Processing Status: blocked

Task Name	Status	Time taken (s)
Cutout download	processed	18.76
Transient MWEBV	processed	0.13
Host match	processed	5.25
Host information	processed	0.07
Host MWEBV	processed	0.05
Global aperture construction	processed	0.64
Global aperture photometry	processed	7.17
Validate global photometry	processed	3.47
Global host SED inference	processed	895.97
Local aperture photometry	processed	7.21
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) = 23h25m01.25s, 17d56m42.10s
semi major axis, semi minor axis (arcsec) = 0.75, 0.75
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) = 23h25m01.57s, 17d56m46.11s
semi major axis, semi minor axis (arcsec) = 5.58, 5.01
angle (degrees, anti-clockwise from east) = -93.93

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	1.29	0.66	23.625	0.557	AB
GALEX_NUV	0.72	0.51	24.250	0.760	AB
SDSS_u	44.42	4.72	19.781	0.115	AB
SDSS_g	111.97	3.05	18.777	0.030	AB
DES_g	135.94	0.67	18.567	0.005	AB
PanSTARRS_g	137.67	1.12	18.553	0.009	AB
SDSS_r	341.3	5.22	17.567	0.017	AB
PanSTARRS_r	349.57	1.6	17.541	0.005	AB
DES_r	387.54	2.28	17.429	0.006	AB
SDSS_i	558.72	6.99	17.032	0.014	AB
PanSTARRS_i	533.11	2.12	17.083	0.004	AB
PanSTARRS_z	700.08	4.2	16.787	0.007	AB
SDSS_z	798.93	15.91	16.644	0.022	AB
DES_z	763.07	6.33	16.694	0.009	AB
PanSTARRS_y	855.55	9.11	16.569	0.012	AB
2MASS_J	1175.09	164.13	15.330	0.152	Vega
2MASS_H	1458.06	266.8	14.623	0.199	Vega
2MASS_K	1632.88	263.84	14.030	0.175	Vega
WISE_W1	554.58	16.82	14.341	0.033	Vega
WISE_W2	352.75	21.35	14.192	0.066	Vega
WISE_W3	76.23	64.37	14.021	0.917	Vega
WISE_W4	-282.91	425.44			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})\,	11.005	11.133	11.175
{\rm log}_{10}({\rm SFR})	-3.259	-0.868	0.629
{\rm log}_{10}({\rm sSFR})	-14.299	-12.010	-10.337
{\rm stellar\ age}	7.589	11.154	11.233

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.275	-0.953	-0.726
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.434	-0.571	0.017

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.269	0.411	0.585
\delta	-0.924	-0.714	-0.447
\tau_1/\tau_2	0.345	0.841	1.338
Q_{PAH}	0.949	2.924	5.269
U_{min}	3.450	10.386	18.431
{\rm log}_{10}(\gamma_e)\,	-2.961	-1.704	-0.461

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.431	-3.369	-2.224
{\rm log}_{10}(\tau_{AGN})\,	1.115	1.647	2.017

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-4.425	-1.362	0.075
0.03-0.10 Gyr	-4.422	-1.028	0.745
0.10-0.32 Gyr	-5.957	-2.840	-0.266
0.32-1.03 Gyr	-7.200	-4.411	-0.939
1.03-3.31 Gyr	-4.908	-2.852	-0.657
3.31-10.64 Gyr	-2.022	-0.387	1.263
10.64-11.83 Gyr	1.392	2.308	2.355