2025aggu

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Information

Transient

Name: AT2025aggu
Right ascension: 2h09m19.44s
Declination: 26d22m41.37s
Discovery Date: Dec. 10, 2025, 10:15 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.050

Host

Name:
Right ascension: 2h09m19.27s
Declination: 26d22m42.95s
Redshift: None
Photometric Redshift: 0.121

Processing Status: blocked

Task Name	Status	Time taken (s)
Cutout download	processed	18.32
Transient MWEBV	processed	0.04
Host match	processed	4.89
Host information	processed	0.16
Host MWEBV	processed	0.06
Global aperture construction	processed	2.5
Global aperture photometry	processed	6.03
Validate global photometry	processed	16.74
Global host SED inference	processed	468.66
Local aperture photometry	processed	5.99
Validate local photometry	no valid phot	0.02
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) = 2h09m19.44s, 26d22m41.37s
semi major axis, semi minor axis (arcsec) = 0.92, 0.92
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) = 2h09m19.27s, 26d22m43.24s
semi major axis, semi minor axis (arcsec) = 6.31, 4.66
angle (degrees, anti-clockwise from east) = -153.91

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_NUV	20.78	4.3	20.606	0.225	AB
SDSS_u	34.77	5.39	20.047	0.168	AB
SDSS_g	37.74	2.25	19.958	0.065	AB
DES_g	47.92	0.4	19.699	0.009	AB
PanSTARRS_g	39.83	1.36	19.899	0.037	AB
SDSS_r	75.18	3.59	19.210	0.052	AB
PanSTARRS_r	74.48	1.74	19.220	0.025	AB
DES_r	77.99	0.9	19.170	0.013	AB
SDSS_i	92.05	5.43	18.990	0.064	AB
PanSTARRS_i	85.89	1.88	19.065	0.024	AB
PanSTARRS_z	97.16	3.67	18.931	0.041	AB
SDSS_z	70.43	16.82	19.281	0.259	AB
DES_z	113.52	2.34	18.762	0.022	AB
PanSTARRS_y	78.06	10.23	19.169	0.142	AB
2MASS_J	180.41	126.7	17.364	0.762	Vega
2MASS_H	328.84	218.93	16.240	0.723	Vega
2MASS_K	577.61	248.9	15.158	0.468	Vega
WISE_W1	66.68	12.96	16.641	0.211	Vega
WISE_W2	13.05	15.68	17.772	1.305	Vega
WISE_W3	87.22	62.94	13.875	0.784	Vega
WISE_W4	91.82	374.76	12.373	4.431	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})\,	9.550	9.702	9.875
{\rm log}_{10}({\rm SFR})	0.187	0.456	0.789
{\rm log}_{10}({\rm sSFR})	-9.565	-9.244	-8.894
{\rm stellar\ age}	5.824	7.231	10.649

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.208	-0.672	-0.289
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.110	-0.376	0.061

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.076	0.231	0.464
\delta	-0.346	0.044	0.284
\tau_1/\tau_2	0.423	0.854	1.312
Q_{PAH}	1.149	2.722	4.847
U_{min}	3.085	9.134	17.050
{\rm log}_{10}(\gamma_e)\,	-2.966	-1.926	-0.895

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.283	-1.424	-0.730
{\rm log}_{10}(\tau_{AGN})\,	1.105	1.482	1.812

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-1.605	-0.670	-0.234
0.03-0.10 Gyr	0.329	0.604	0.941
0.10-0.32 Gyr	-2.747	-0.772	0.061
0.32-1.05 Gyr	-4.292	-1.291	-0.528
1.05-3.39 Gyr	-3.383	-0.989	-0.340
3.39-10.98 Gyr	-1.452	-0.311	-0.046
10.98-12.19 Gyr	-0.955	0.101	0.932