2025ucz

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Information

Transient

Name: AT2025ucz
Right ascension: 16h45m35.54s
Declination: 5d40m32.52s
Discovery Date: Aug. 15, 2025, 4:06 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.093

Host

Name:
Right ascension: 16h45m34.63s
Declination: 5d40m35.70s
Redshift: None
Photometric Redshift: 0.162

Processing Status

Task Name	Status	Time taken (s)	Warning Flag
Host match	processed	6.31
Cutout download	processed	30.2
Global aperture construction	processed	0.65
Local aperture photometry	processed	7.26
Global aperture photometry	processed	6.51
Validate local photometry	no valid phot	0.02
Validate global photometry	processed	18.04
Host information	processed	0.14
Global host SED inference	processed	2148.73
Local host SED inference	not processed	None
Transient information	processed	0.0
Transient MWEBV	processed	0.07
Host MWEBV	processed	0.06
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) = 16h45m35.54s, 5d40m32.52s
semi major axis, semi minor axis (arcsec) = 0.72, 0.72
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) = 16h45m34.64s, 5d40m36.06s
semi major axis, semi minor axis (arcsec) = 7.12, 5.68
angle (degrees, anti-clockwise from east) = -116.91

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	5.6	2.6	22.030	0.505	AB
GALEX_NUV	9.56	1.57	21.448	0.178	AB
SDSS_u	53.79	4.99	19.573	0.101	AB
SDSS_g	105.09	3.47	18.846	0.036	AB
DES_g	118.27	0.75	18.718	0.007	AB
PanSTARRS_g	119.05	1.63	18.711	0.015	AB
SDSS_r	256.58	5.13	17.877	0.022	AB
PanSTARRS_r	226.53	2.13	18.012	0.010	AB
DES_r	277.37	1.77	17.792	0.007	AB
SDSS_i	375.41	7.01	17.464	0.020	AB
PanSTARRS_i	376.45	1.8	17.461	0.005	AB
PanSTARRS_z	489.35	3.86	17.176	0.009	AB
SDSS_z	531.64	16.94	17.086	0.035	AB
DES_z	528.03	5.97	17.093	0.012	AB
PanSTARRS_y	578.79	8.61	16.994	0.016	AB
2MASS_J	720.83	155.37	15.861	0.234	Vega
2MASS_H	947.83	233.59	15.091	0.268	Vega
2MASS_K	526.38	264.09	15.259	0.545	Vega
WISE_W1	384.77	14.82	14.738	0.042	Vega
WISE_W2	268.6	19.22	14.488	0.078	Vega
WISE_W3	480.6	76.44	12.022	0.173	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})\,	10.846	10.962	11.042
{\rm log}_{10}({\rm SFR})	0.607	1.234	1.761
{\rm log}_{10}({\rm sSFR})	-10.442	-9.740	-9.150
{\rm stellar\ age}	6.844	10.445	11.073

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.410	-1.032	-0.716
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.543	-0.167	0.388

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.346	0.504	0.678
\delta	-0.756	-0.531	-0.338
\tau_1/\tau_2	0.457	0.986	1.514
Q_{PAH}	0.129	0.439	1.014
U_{min}	3.554	9.806	17.487
{\rm log}_{10}(\gamma_e)\,	-3.569	-2.918	-1.925

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.802	-2.549	-2.021
{\rm log}_{10}(\tau_{AGN})\,	0.913	1.268	1.774

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-3.175	-1.808	-0.386
0.03-0.10 Gyr	0.771	1.395	1.923
0.10-0.32 Gyr	-3.279	-2.309	-0.935
0.32-1.03 Gyr	-6.394	-4.591	-2.244
1.03-3.29 Gyr	-4.255	-2.634	-0.741
3.29-10.55 Gyr	-1.558	0.283	1.186
10.55-11.72 Gyr	0.325	2.094	2.209