2025aaas

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Information

Transient

Name: AT2025aaas
Right ascension: 22h46m42.51s
Declination: -0d26m28.12s
Discovery Date: Sept. 29, 2025, 1:03 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.066

Host

Name: SDSSJ224642.48-00262
Right ascension: 22h46m42.48s
Declination: -0d26m25.48s
Redshift: None
Photometric Redshift: 0.123

Processing Status

Task Name	Status	Time taken (s)	Warning Flag
Host match	processed	4.28
Cutout download	processed	11.75
Global aperture construction	processed	0.66
Local aperture photometry	processed	4.87
Global aperture photometry	processed	4.84
Validate local photometry	no valid phot	0.03
Validate global photometry	processed	13.51
Host information	processed	0.05
Global host SED inference	processed	420.08
Local host SED inference	not processed	None
Transient information	processed	0.0
Transient MWEBV	processed	0.05
Host MWEBV	processed	0.04
Processing status	blocked	N/A	N/A

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) = 22h46m42.51s, -0d26m28.12s
semi major axis, semi minor axis (arcsec) = 0.91, 0.91
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) = 22h46m42.49s, -0d26m25.24s
semi major axis, semi minor axis (arcsec) = 6.1, 5.09
angle (degrees, anti-clockwise from east) = -110.6

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	6.94	0.8	21.796	0.125	AB
GALEX_NUV	9.04	0.48	21.510	0.058	AB
SDSS_u	40.22	5.23	19.889	0.141	AB
PanSTARRS_g	102.99	1.22	18.868	0.013	AB
SDSS_r	161.73	4.36	18.378	0.029	AB
PanSTARRS_r	162.71	1.19	18.371	0.008	AB
SDSS_i	211.52	5.81	18.087	0.030	AB
PanSTARRS_i	220.89	1.45	18.040	0.007	AB
PanSTARRS_z	253.3	3.17	17.891	0.014	AB
PanSTARRS_y	284.11	10.44	17.766	0.040	AB
2MASS_J	360.15	119.62	16.614	0.361	Vega
2MASS_H	315.39	174.36	16.285	0.600	Vega
2MASS_K	348.99	228.32	15.705	0.710	Vega
WISE_W1	168.21	12.59	15.636	0.081	Vega
WISE_W2	130.26	20.6	15.274	0.172	Vega
WISE_W3	296.5	95.04	12.546	0.348	Vega
WISE_W4	-33.02	697.51			Vega

Imaging data

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})\,	9.917	10.009	10.094
{\rm log}_{10}({\rm SFR})	-0.151	0.374	0.747
{\rm log}_{10}({\rm sSFR})	-10.168	-9.635	-9.205
{\rm stellar\ age}	4.226	5.527	6.572

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.021	-0.636	-0.366
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.617	-0.370	0.312

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.175	0.273	0.426
\delta	-0.846	-0.571	-0.281
\tau_1/\tau_2	0.641	0.959	1.326
Q_{PAH}	0.415	1.191	2.430
U_{min}	2.243	6.963	14.317
{\rm log}_{10}(\gamma_e)\,	-2.783	-1.869	-0.964

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.041	-2.831	-1.873
{\rm log}_{10}(\tau_{AGN})\,	1.004	1.457	1.900

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-1.121	-0.455	-0.139
0.03-0.10 Gyr	-0.055	0.516	0.901
0.10-0.32 Gyr	0.280	0.607	0.873
0.32-1.05 Gyr	-0.174	0.221	0.474
1.05-3.39 Gyr	-0.189	0.121	0.339
3.39-10.96 Gyr	-0.259	0.037	0.220
10.96-12.18 Gyr	-0.466	0.063	0.483