2025sbk

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Information

Transient

Name: AT2025sbk
Right ascension: 0h21m59.57s
Declination: 24d55m28.37s
Discovery Date: July 23, 2025, 7:50 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.038

Host

Name:
Right ascension: 0h21m59.53s
Declination: 24d55m28.31s
Redshift: None
Photometric Redshift: 0.113

Processing Status

Task Name	Status	Time taken (s)	Warning Flag
Host match	processed	6.14
Cutout download	processed	28.89
Global aperture construction	processed	0.65
Local aperture photometry	processed	6.49
Global aperture photometry	processed	5.75
Validate local photometry	processed	0.03
Validate global photometry	processed	16.92
Host information	processed	0.14
Global host SED inference	processed	446.27
Local host SED inference	not enough filters	21.88
Transient information	processed	0.0
Transient MWEBV	processed	0.06
Host MWEBV	processed	0.05
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) = 0h21m59.57s, 24d55m28.37s
semi major axis, semi minor axis (arcsec) = 0.98, 0.98
angle (degrees, anti-clockwise from east) = 0.0

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
DES_z	31.18	1.06	20.165	0.037	AB

Aperture details

RA, DEC (J2000) = 0h21m59.52s, 24d55m28.50s
semi major axis, semi minor axis (arcsec) = 3.08, 2.64
angle (degrees, anti-clockwise from east) = -161.83

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	9.93	2.21	21.408	0.242	AB
GALEX_NUV	14.62	1.66	20.988	0.123	AB
SDSS_u	20.1	2.2	20.642	0.119	AB
SDSS_g	35.06	1.68	20.038	0.052	AB
DES_g	36.16	0.38	20.004	0.011	AB
PanSTARRS_g	36.36	0.63	19.998	0.019	AB
SDSS_r	52.77	2.2	19.594	0.045	AB
PanSTARRS_r	51.47	0.62	19.621	0.013	AB
DES_r	52.64	0.68	19.597	0.014	AB
SDSS_i	64.36	2.72	19.378	0.046	AB
PanSTARRS_i	65.33	1.02	19.362	0.017	AB
PanSTARRS_z	61.05	2.08	19.436	0.037	AB
SDSS_z	53.31	7.69	19.583	0.157	AB
DES_z	68.41	1.68	19.312	0.027	AB
PanSTARRS_y	63.71	6.3	19.389	0.107	AB
2MASS_J	135.9	83.71	17.672	0.669	Vega
2MASS_H	52.11	131.24	18.240	2.735	Vega
2MASS_K	80.82	158.72	17.293	2.132	Vega
WISE_W2	4.76	11.32	18.866	2.580	Vega
WISE_W3	18.34	59.72	15.568	3.536	Vega
WISE_W4	323.71	434.75	11.005	1.458	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})\,	9.130	9.329	9.481
{\rm log}_{10}({\rm SFR})	-0.155	0.202	0.606
{\rm log}_{10}({\rm sSFR})	-9.494	-9.141	-8.625
{\rm stellar\ age}	4.083	5.977	7.301

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.364	-0.592	-0.111
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.317	-0.693	-0.083

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.089	0.350	0.800
\delta	-0.224	0.222	0.355
\tau_1/\tau_2	0.669	1.036	1.410
Q_{PAH}	1.303	3.375	5.539
U_{min}	3.083	8.233	14.957
{\rm log}_{10}(\gamma_e)\,	-2.907	-1.753	-0.624

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.228	-1.202	-0.412
{\rm log}_{10}(\tau_{AGN})\,	0.981	1.387	1.831

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-0.456	-0.239	0.021
0.03-0.10 Gyr	-0.089	0.310	0.734
0.10-0.32 Gyr	-0.902	-0.297	0.075
0.32-1.05 Gyr	-1.343	-0.690	-0.363
1.05-3.41 Gyr	-1.333	-0.721	-0.437
3.41-11.07 Gyr	-1.196	-0.636	-0.425
11.07-12.30 Gyr	-1.232	-0.507	-0.033