2025xkg

Download data

Information

Transient

Name: AT2025xkg
Right ascension: 22h50m21.93s
Declination: 23d40m03.48s
Discovery Date: Sept. 4, 2025, 7:05 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.144

Host

Name:
Right ascension: 22h50m22.01s
Declination: 23d40m02.88s
Redshift: None
Photometric Redshift: 0.105
 

Processing Status

Cutout download
 Cutout download
processed
 status
Transient information
Transient information
processed
 status
Transient MWEBV
Transient MWEBV
processed
 status
Host match
 Host match
processed
 status
Host information
Host information
processed
 status
Local aperture photometry
 Local aperture photometry
processed
 status
Validate local photometry
 Validate local photometry
processed
 status
Local host SED inference
Local host SED inference
processed
 status
Host MWEBV
Host MWEBV
processed
 status
Global host SED inference
Global host SED inference
processed
 status
Validate global photometry
Validate global photometr...
processed
 status
Global aperture construction
 Global aperture construct...
processed
 status
Global aperture photometry
 Global aperture photometr...
processed
 status
Task Name Status Time taken (s) Warning Flag
Host match processed 5.66
Cutout download processed 17.59
Global aperture construction processed 2.99
Local aperture photometry processed 5.96
Global aperture photometry processed 5.74
Validate local photometry processed 0.02
Validate global photometry processed 16.56
Host information processed 0.1
Global host SED inference processed 518.51
Local host SED inference processed 786.39
Transient information processed 0.0
Transient MWEBV processed 0.04
Host MWEBV processed 0.42
Processing status completed 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) = 22h50m21.93s, 23d40m03.48s
semi major axis, semi minor axis (arcsec) = 1.04, 1.04
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_y 9.82 1.88 21.420 0.208 AB

Aperture details

RA, DEC (J2000) = 22h50m22.02s, 23d40m03.28s
semi major axis, semi minor axis (arcsec) = 5.82, 2.87
angle (degrees, anti-clockwise from east) = -91.94

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 0.33 0.57 25.113 1.886 AB
GALEX_NUV 5.31 1.28 22.088 0.262 AB
SDSS_u 18.15 3.36 20.753 0.201 AB
SDSS_g 19.73 1.63 20.662 0.090 AB
DES_g 20.13 0.26 20.641 0.014 AB
PanSTARRS_g 22.78 1.8 20.506 0.086 AB
SDSS_r 29.32 2.37 20.232 0.088 AB
PanSTARRS_r 36.19 1.51 20.004 0.045 AB
DES_r 33.64 0.6 20.083 0.019 AB
SDSS_i 39.99 3.48 19.895 0.094 AB
PanSTARRS_i 35.25 1.46 20.032 0.045 AB
PanSTARRS_z 47.97 3.08 19.698 0.070 AB
SDSS_z 40.73 15.93 19.875 0.425 AB
PanSTARRS_y 43.37 7.21 19.807 0.181 AB
2MASS_J -127.0 120.68 Vega
2MASS_H 25.47 173.84 19.017 7.410 Vega
2MASS_K 266.57 231.91 15.998 0.945 Vega
WISE_W1 23.98 8.69 17.751 0.394 Vega
WISE_W2 21.66 10.38 17.222 0.520 Vega
WISE_W3 -2.34 56.28 Vega
WISE_W4 -611.52 416.83 Vega
 

Imaging data

 

Spectral Energy Distribution

 
 
 
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 7.969 8.488 8.825
{\rm log}_{10}({\rm SFR}) -1.097 -0.567 -0.136
{\rm log}_{10}({\rm sSFR}) -9.705 -9.050 -8.249
{\rm stellar\ age} 0.653 4.673 7.048

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.614 -0.808 0.044
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.014 -0.415 0.247

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.518 1.039 1.595
\delta -0.512 -0.067 0.233
\tau_1/\tau_2 0.410 0.857 1.336
Q_{PAH} 0.570 1.879 4.489
U_{min} 2.873 8.228 15.529
{\rm log}_{10}(\gamma_e)\, -3.088 -2.004 -0.745

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.582 -0.557 0.096
{\rm log}_{10}(\tau_{AGN})\, 1.066 1.459 1.894

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.928 -0.406 0.120
0.03-0.10 Gyr -2.321 -1.035 -0.237
0.10-0.32 Gyr -3.190 -1.479 -0.721
0.32-1.06 Gyr -3.748 -1.555 -0.919
1.06-3.43 Gyr -3.953 -1.661 -1.082
3.43-11.15 Gyr -3.827 -1.764 -1.116
11.15-12.39 Gyr -4.000 -1.800 -0.876

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.614 9.088 9.398
{\rm log}_{10}({\rm SFR}) 0.167 0.504 0.856
{\rm log}_{10}({\rm sSFR}) -9.026 -8.504 -7.960
{\rm stellar\ age} 0.187 4.802 8.311

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.591 -0.908 -0.137
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.874 -0.558 -0.271

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.173 0.563 1.027
\delta -0.222 0.105 0.276
\tau_1/\tau_2 0.281 0.743 1.275
Q_{PAH} 1.293 3.113 5.317
U_{min} 4.443 11.264 18.915
{\rm log}_{10}(\gamma_e)\, -2.913 -1.736 -0.652

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.768 -1.941 -0.602
{\rm log}_{10}(\tau_{AGN})\, 0.976 1.382 1.867

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.514 -1.275 -0.535
0.03-0.10 Gyr 0.322 0.662 1.018
0.10-0.32 Gyr -3.430 -1.880 -0.355
0.32-1.06 Gyr -5.422 -2.619 -0.905
1.06-3.43 Gyr -5.180 -2.055 -0.746
3.43-11.15 Gyr -4.605 -1.619 -0.660
11.15-12.39 Gyr -4.840 -1.240 0.080