2025ksa

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Information

Transient

Name: AT2025ksa
Right ascension: 21h16m55.87s
Declination: -12d27m35.58s
Discovery Date: May 6, 2025, 7:56 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.044

Host

Name: 2025ksa
Right ascension: 21h16m55.87s
Declination: -12d27m35.92s
Redshift: None
Photometric Redshift: 0.158

Processing Status: blocked

Task Name	Status	Time taken (s)
Cutout download	processed	16.42
Transient MWEBV	processed	0.04
Host match	processed	2.59
Host information	processed	0.11
Host MWEBV	processed	0.05
Global aperture construction	processed	0.67
Global aperture photometry	processed	6.65
Validate global photometry	processed	15.96
Global host SED inference	processed	378.03
Local aperture photometry	processed	6.56
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) = 21h16m55.87s, -12d27m35.58s
semi major axis, semi minor axis (arcsec) = 0.73, 0.73
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) = 21h16m55.86s, -12d27m35.82s
semi major axis, semi minor axis (arcsec) = 5.96, 3.94
angle (degrees, anti-clockwise from east) = -78.04

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	15.45	3.35	20.927	0.236	AB
GALEX_NUV	14.92	2.3	20.966	0.167	AB
DES_g	116.04	0.47	18.738	0.004	AB
PanSTARRS_g	116.93	1.35	18.730	0.013	AB
PanSTARRS_r	246.55	1.78	17.920	0.008	AB
DES_r	262.58	1.4	17.852	0.006	AB
PanSTARRS_i	355.58	1.01	17.523	0.003	AB
PanSTARRS_z	421.56	3.32	17.338	0.009	AB
DES_z	452.29	3.6	17.261	0.009	AB
PanSTARRS_y	462.33	8.96	17.238	0.021	AB
2MASS_J	583.15	147.01	16.091	0.274	Vega
2MASS_H	917.34	205.42	15.126	0.243	Vega
2MASS_K	985.29	247.19	14.578	0.272	Vega
WISE_W1	439.79	14.78	14.593	0.036	Vega
WISE_W2	402.15	20.25	14.050	0.055	Vega
WISE_W3	1045.87	75.08	11.177	0.078	Vega
WISE_W4	2857.26	569.37	8.640	0.216	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})\,	10.708	10.752	10.806
{\rm log}_{10}({\rm SFR})	0.175	0.386	0.610
{\rm log}_{10}({\rm sSFR})	-10.573	-10.367	-10.144
{\rm stellar\ age}	6.465	7.082	8.153

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-0.665	-0.419	-0.193
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.699	-0.453	0.108

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.187	0.308	0.487
\delta	-0.565	-0.206	0.082
\tau_1/\tau_2	0.468	0.804	1.161
Q_{PAH}	0.430	1.379	3.218
U_{min}	2.456	7.194	14.358
{\rm log}_{10}(\gamma_e)\,	-3.380	-2.449	-1.361

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-1.649	-1.357	-1.122
{\rm log}_{10}(\tau_{AGN})\,	0.917	1.170	1.497

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	0.430	0.606	0.783
0.03-0.10 Gyr	-0.240	0.224	0.567
0.10-0.32 Gyr	-0.371	0.081	0.405
0.32-1.03 Gyr	-0.314	0.131	0.434
1.03-3.30 Gyr	-0.040	0.496	0.811
3.30-10.59 Gyr	0.810	0.967	1.058
10.59-11.77 Gyr	0.682	1.078	1.534