2025xka

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Information

Transient

Name: AT2025xka
Right ascension: 1h24m27.58s
Declination: -1d02m38.04s
Discovery Date: Aug. 23, 2025, 8:15 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.037

Host

Name:
Right ascension: 1h24m27.62s
Declination: -1d02m39.27s
Redshift: None
Photometric Redshift: 0.156

Processing Status: blocked

Task Name	Status	Time taken (s)
Cutout download	processed	18.06
Transient MWEBV	processed	0.04
Host match	processed	8.32
Host information	processed	0.12
Host MWEBV	processed	0.04
Global aperture construction	processed	0.64
Global aperture photometry	processed	5.91
Validate global photometry	processed	15.96
Global host SED inference	processed	481.58
Local aperture photometry	processed	6.32
Validate local photometry	no valid phot	0.03
Local host SED inference	not processed	None

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) = 1h24m27.58s, -1d02m38.04s
semi major axis, semi minor axis (arcsec) = 0.74, 0.74
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) = 1h24m27.61s, -1d02m39.05s
semi major axis, semi minor axis (arcsec) = 4.92, 4.09
angle (degrees, anti-clockwise from east) = -6.37

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	3.61	0.56	22.506	0.169	AB
GALEX_NUV	5.41	0.51	22.067	0.103	AB
DES_g	82.38	0.34	19.110	0.004	AB
PanSTARRS_g	84.42	1.14	19.084	0.015	AB
SDSS_r	192.62	4.17	18.188	0.024	AB
PanSTARRS_r	187.9	1.33	18.215	0.008	AB
DES_r	212.34	0.6	18.082	0.003	AB
SDSS_i	284.29	5.73	17.766	0.022	AB
PanSTARRS_i	285.09	1.23	17.763	0.005	AB
PanSTARRS_z	369.24	3.32	17.482	0.010	AB
SDSS_z	353.8	11.64	17.528	0.036	AB
DES_z	403.02	2.47	17.387	0.007	AB
PanSTARRS_y	434.82	9.77	17.304	0.024	AB
2MASS_J	623.92	105.9	16.017	0.184	Vega
2MASS_H	978.93	187.1	15.056	0.208	Vega
2MASS_K	958.58	204.97	14.608	0.232	Vega
WISE_W1	252.13	10.95	15.197	0.047	Vega
WISE_W2	161.87	16.63	15.038	0.112	Vega
WISE_W3	185.31	62.08	13.056	0.364	Vega
WISE_W4	141.32	360.29	11.904	2.768	Vega

Imaging data

Click the image to load the interactive plot.

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})\,	10.706	10.775	10.841
{\rm log}_{10}({\rm SFR})	-0.162	0.226	0.583
{\rm log}_{10}({\rm sSFR})	-10.973	-10.542	-10.207
{\rm stellar\ age}	7.306	9.401	11.106

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-0.915	-0.620	-0.468
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.503	-0.417	0.131

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.166	0.271	0.450
\delta	-0.812	-0.559	-0.325
\tau_1/\tau_2	0.712	1.168	1.603
Q_{PAH}	0.845	2.389	4.291
U_{min}	2.818	8.275	15.573
{\rm log}_{10}(\gamma_e)\,	-2.501	-1.417	-0.566

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.213	-2.946	-1.948
{\rm log}_{10}(\tau_{AGN})\,	1.072	1.514	1.879

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-0.488	-0.037	0.230
0.03-0.10 Gyr	-0.187	0.303	0.710
0.10-0.32 Gyr	-2.593	-0.536	0.037
0.32-1.03 Gyr	-3.826	-0.852	-0.246
1.03-3.31 Gyr	-3.106	-0.825	-0.032
3.31-10.61 Gyr	-0.932	0.717	1.017
10.61-11.79 Gyr	0.942	1.716	2.006