2025szy

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Information

Transient

Name: AT2025szy
Right ascension: 22h23m43.63s
Declination: 6d48m36.67s
Discovery Date: July 29, 2025, 7:15 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.097

Host

Name:
Right ascension: 22h23m43.69s
Declination: 6d48m37.36s
Redshift: None
Photometric Redshift: 0.135

Processing Status

Task Name	Status	Time taken (s)	Warning Flag
Host match	processed	7.0
Cutout download	processed	35.54
Global aperture construction	processed	0.66
Local aperture photometry	processed	7.16
Global aperture photometry	processed	6.29
Validate local photometry	no valid phot	0.02
Validate global photometry	processed	15.12
Host information	processed	0.17
Global host SED inference	processed	472.94
Local host SED inference	not processed	None
Transient information	processed	0.0
Transient MWEBV	processed	0.06
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) = 22h23m43.63s, 6d48m36.67s
semi major axis, semi minor axis (arcsec) = 0.84, 0.84
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) = 22h23m43.68s, 6d48m37.63s
semi major axis, semi minor axis (arcsec) = 5.8, 3.94
angle (degrees, anti-clockwise from east) = -131.44

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	6.49	1.87	21.870	0.313	AB
GALEX_NUV	8.24	1.59	21.611	0.209	AB
SDSS_u	39.37	4.53	19.912	0.125	AB
SDSS_g	99.25	2.9	18.908	0.032	AB
DES_g	104.07	0.44	18.857	0.005	AB
PanSTARRS_g	111.21	1.06	18.785	0.010	AB
SDSS_r	211.83	4.32	18.085	0.022	AB
PanSTARRS_r	210.81	1.2	18.090	0.006	AB
DES_r	225.38	1.1	18.018	0.005	AB
SDSS_i	319.9	5.92	17.637	0.020	AB
PanSTARRS_i	318.0	1.08	17.644	0.004	AB
PanSTARRS_z	389.38	3.84	17.424	0.011	AB
SDSS_z	401.43	18.34	17.391	0.050	AB
DES_z	414.2	3.45	17.357	0.009	AB
PanSTARRS_y	437.21	8.12	17.298	0.020	AB
2MASS_J	605.98	122.26	16.049	0.219	Vega
2MASS_H	617.45	219.29	15.556	0.386	Vega
2MASS_K	958.39	208.62	14.608	0.236	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})\,	10.441	10.521	10.674
{\rm log}_{10}({\rm SFR})	0.543	0.895	1.310
{\rm log}_{10}({\rm sSFR})	-10.020	-9.635	-9.220
{\rm stellar\ age}	3.456	6.185	7.532

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.482	-0.572	-0.238
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.639	-0.982	-0.100

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.270	0.845	1.384
\delta	-0.637	-0.110	0.230
\tau_1/\tau_2	0.472	0.909	1.377
Q_{PAH}	0.412	1.637	3.986
U_{min}	2.596	7.597	14.647
{\rm log}_{10}(\gamma_e)\,	-3.434	-2.484	-1.242

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.289	-2.721	-0.988
{\rm log}_{10}(\tau_{AGN})\,	0.949	1.307	1.859

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	0.333	0.622	0.950
0.03-0.10 Gyr	0.542	0.956	1.412
0.10-0.32 Gyr	0.087	0.680	1.277
0.32-1.04 Gyr	-0.241	0.393	1.033
1.04-3.36 Gyr	-0.030	0.512	0.892
3.36-10.83 Gyr	-0.099	0.610	0.785
10.83-12.03 Gyr	-0.316	0.618	1.221