2025ahzg

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Information

Transient

Name: AT2025ahzg
Right ascension: 9h48m30.44s
Declination: 50d18m48.70s
Discovery Date: Dec. 16, 2025, 10:06 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.013

Host

Name:
Right ascension: 9h48m30.44s
Declination: 50d18m48.56s
Redshift: None
Photometric Redshift: 0.141

Processing Status: blocked

Task Name	Status	Time taken (s)
Cutout download	processed	18.3
Transient MWEBV	processed	0.04
Host match	processed	5.4
Host information	processed	0.21
Host MWEBV	processed	0.04
Global aperture construction	processed	0.66
Global aperture photometry	processed	1.34
Validate global photometry	processed	2.14
Global host SED inference	processed	398.5
Local aperture photometry	processed	6.25
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) = 9h48m30.44s, 50d18m48.70s
semi major axis, semi minor axis (arcsec) = 0.81, 0.81
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) = 9h48m30.44s, 50d18m48.87s
semi major axis, semi minor axis (arcsec) = 3.98, 2.89
angle (degrees, anti-clockwise from east) = -60.07

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	2.51	1.55	22.899	0.671	AB
GALEX_NUV	1.6	0.4	23.391	0.269	AB
SDSS_u	3.26	2.55	22.615	0.849	AB
SDSS_g	37.91	1.89	19.953	0.054	AB
DES_g	39.26	0.57	19.915	0.016	AB
PanSTARRS_g	37.45	1.31	19.966	0.038	AB
SDSS_r	95.53	2.95	18.950	0.034	AB
PanSTARRS_r	89.51	1.62	19.020	0.020	AB
SDSS_i	143.76	3.75	18.506	0.028	AB
PanSTARRS_i	140.23	0.9	18.533	0.007	AB
PanSTARRS_z	178.2	3.53	18.273	0.022	AB
SDSS_z	175.71	8.98	18.288	0.055	AB
DES_z	179.22	2.39	18.267	0.014	AB
PanSTARRS_y	194.42	7.36	18.178	0.041	AB
2MASS_J	213.69	104.51	17.181	0.531	Vega
2MASS_H	506.82	175.31	15.770	0.376	Vega
2MASS_K	403.79	167.75	15.547	0.451	Vega
WISE_W1	120.48	8.15	15.999	0.073	Vega
WISE_W2	83.32	12.54	15.759	0.163	Vega
WISE_W3	-56.92	38.24			Vega
WISE_W4	757.64	317.69	10.081	0.455	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})\,	10.202	10.271	10.361
{\rm log}_{10}({\rm SFR})	-0.610	-0.210	0.101
{\rm log}_{10}({\rm sSFR})	-10.919	-10.481	-10.156
{\rm stellar\ age}	6.546	7.318	10.093

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.358	-0.982	-0.696
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.473	-0.567	0.079

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.451	0.592	0.750
\delta	-0.776	-0.591	-0.414
\tau_1/\tau_2	0.599	0.954	1.323
Q_{PAH}	0.686	1.903	3.840
U_{min}	2.993	8.116	15.041
{\rm log}_{10}(\gamma_e)\,	-2.777	-1.904	-0.906

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.379	-3.217	-2.002
{\rm log}_{10}(\tau_{AGN})\,	1.006	1.493	1.887

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-0.531	-0.174	0.069
0.03-0.10 Gyr	-0.825	-0.245	0.159
0.10-0.32 Gyr	-1.294	-0.386	0.043
0.32-1.04 Gyr	-1.639	-0.538	-0.082
1.04-3.34 Gyr	-1.360	-0.162	0.258
3.34-10.77 Gyr	-0.011	0.452	0.571
10.77-11.97 Gyr	0.017	0.622	1.397