2025uby

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Information

Transient

Name: AT2025uby
Right ascension: 16h26m16.57s
Declination: 37d40m02.94s
Discovery Date: Aug. 15, 2025, 7:43 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.011

Host

Name: SDSSJ162616.52+37400
Right ascension: 16h26m16.56s
Declination: 37d40m03.32s
Redshift: 0.070171
Photometric Redshift: 0.070

Processing Status: completed

Task Name	Status	Time taken (s)
Cutout download	processed	26.65
Transient MWEBV	processed	0.06
Host match	processed	4.04
Host information	processed	0.14
Host MWEBV	processed	0.03
Global aperture construction	processed	0.63
Global aperture photometry	processed	5.68
Validate global photometry	processed	15.55
Global host SED inference	processed	484.48
Local aperture photometry	processed	6.4
Validate local photometry	processed	0.02
Local host SED inference	processed	471.14

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) = 16h26m16.57s, 37d40m02.94s
semi major axis, semi minor axis (arcsec) = 1.49, 1.49
angle (degrees, anti-clockwise from east) = 0.0

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
SDSS_g	52.95	1.98	19.590	0.041	AB
DES_g	51.23	0.54	19.626	0.011	AB
PanSTARRS_g	57.49	0.41	19.501	0.008	AB
SDSS_r	87.15	2.54	19.049	0.032	AB
PanSTARRS_r	84.81	0.44	19.079	0.006	AB
SDSS_i	114.54	2.98	18.753	0.028	AB
PanSTARRS_i	108.37	0.37	18.813	0.004	AB
PanSTARRS_z	119.9	0.92	18.703	0.008	AB
SDSS_z	134.12	5.42	18.581	0.044	AB
DES_z	134.91	1.88	18.575	0.015	AB
PanSTARRS_y	123.49	2.13	18.671	0.019	AB

Aperture details

RA, DEC (J2000) = 16h26m16.52s, 37d40m03.67s
semi major axis, semi minor axis (arcsec) = 6.77, 5.57
angle (degrees, anti-clockwise from east) = -67.32

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
SDSS_u	87.02	5.44	19.051	0.068	AB
SDSS_g	200.14	4.49	18.147	0.024	AB
DES_g	199.44	1.09	18.150	0.006	AB
PanSTARRS_g	202.72	1.57	18.133	0.008	AB
SDSS_r	272.85	5.32	17.810	0.021	AB
PanSTARRS_r	280.42	1.65	17.780	0.006	AB
SDSS_i	349.32	6.67	17.542	0.021	AB
PanSTARRS_i	357.04	1.42	17.518	0.004	AB
PanSTARRS_z	376.04	3.63	17.462	0.010	AB
SDSS_z	428.99	19.48	17.319	0.049	AB
DES_z	380.36	3.47	17.450	0.010	AB
PanSTARRS_y	421.84	8.65	17.337	0.022	AB
2MASS_J	615.0	141.08	16.033	0.249	Vega
2MASS_H	388.84	203.53	16.058	0.568	Vega
2MASS_K	202.42	244.67	16.297	1.312	Vega
WISE_W1	180.94	10.04	15.557	0.060	Vega
WISE_W2	118.36	15.05	15.378	0.138	Vega
WISE_W3	261.08	53.73	12.684	0.223	Vega
WISE_W4	245.31	331.4	11.306	1.467	Vega

Imaging data

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Spectral Energy Distribution

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Host SED inference

Local parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	9.252	9.355	9.452
{\rm log}_{10}({\rm SFR})	-2.141	-1.255	-0.558
{\rm log}_{10}({\rm sSFR})	-11.477	-10.578	-9.948
{\rm stellar\ age}	4.781	6.973	8.204

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.609	-1.194	-0.785
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.593	-0.840	-0.031

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.104	0.375	0.801
\delta	-0.546	-0.082	0.269
\tau_1/\tau_2	0.719	1.060	1.404
Q_{PAH}	0.816	2.585	5.166
U_{min}	3.188	8.834	16.184
{\rm log}_{10}(\gamma_e)\,	-2.909	-1.731	-0.495

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-2.013	-0.650	-0.097
{\rm log}_{10}(\tau_{AGN})\,	1.044	1.449	2.018

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-2.519	-1.680	-1.140
0.03-0.10 Gyr	-2.317	-1.191	-0.434
0.10-0.33 Gyr	-1.741	-0.886	-0.212
0.33-1.07 Gyr	-1.673	-0.912	-0.368
1.07-3.52 Gyr	-1.461	-0.718	-0.402
3.52-11.54 Gyr	-0.993	-0.533	-0.363
11.54-12.83 Gyr	-1.245	-0.531	0.003

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	9.661	9.762	9.856
{\rm log}_{10}({\rm SFR})	-0.896	-0.322	0.234
{\rm log}_{10}({\rm sSFR})	-10.723	-10.116	-9.482
{\rm stellar\ age}	5.955	7.003	8.280

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.595	-1.246	-0.908
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-0.480	0.235	0.424

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.052	0.138	0.267
\delta	-0.830	-0.477	0.071
\tau_1/\tau_2	0.605	0.985	1.353
Q_{PAH}	0.530	1.616	3.689
U_{min}	2.683	7.710	14.314
{\rm log}_{10}(\gamma_e)\,	-2.952	-1.971	-0.704

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.086	-2.820	-1.910
{\rm log}_{10}(\tau_{AGN})\,	1.035	1.490	1.916

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-1.201	-0.905	-0.676
0.03-0.10 Gyr	-0.860	-0.200	0.383
0.10-0.33 Gyr	-0.749	-0.178	0.202
0.33-1.07 Gyr	-1.031	-0.467	-0.156
1.07-3.52 Gyr	-0.783	-0.325	-0.062
3.52-11.54 Gyr	-0.385	-0.124	0.032
11.54-12.83 Gyr	-0.620	-0.080	0.453