2025kej

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Information

Transient

Name: AT2025kej
Right ascension: 18h15m08.14s
Declination: 41d21m53.40s
Discovery Date: May 7, 2025, 6:21 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.036

Host

Name: 2025kej
Right ascension: 18h15m03.68s
Declination: 41d21m41.09s
Redshift: None
Photometric Redshift: 0.198
 

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
no valid phot
 status
Local host SED inference
Local host SED inference
not 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 3.23
Cutout download processed 6.69
Global aperture construction processed 0.68
Local aperture photometry processed 4.84
Global aperture photometry processed 4.94
Validate local photometry no valid phot 0.02
Validate global photometry processed 15.0
Host information processed 0.08
Global host SED inference processed 391.34
Local host SED inference not processed None
Transient information processed 0.0
Transient MWEBV processed 0.04
Host MWEBV processed 0.04
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) = 18h15m08.14s, 41d21m53.40s
semi major axis, semi minor axis (arcsec) = 0.61, 0.61
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) = 18h15m03.67s, 41d21m41.27s
semi major axis, semi minor axis (arcsec) = 6.29, 3.44
angle (degrees, anti-clockwise from east) = -41.32

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 6.32 2.15 21.899 0.370 AB
GALEX_NUV 1.33 1.57 23.590 1.283 AB
PanSTARRS_g 62.09 1.17 19.417 0.021 AB
SDSS_r 162.79 3.84 18.371 0.026 AB
PanSTARRS_r 165.07 1.18 18.356 0.008 AB
SDSS_i 273.02 5.53 17.810 0.022 AB
PanSTARRS_i 274.63 0.93 17.803 0.004 AB
PanSTARRS_z 383.98 3.79 17.439 0.011 AB
PanSTARRS_y 479.57 7.82 17.198 0.018 AB
2MASS_J 742.4 99.54 15.829 0.146 Vega
2MASS_H 1366.7 143.6 14.693 0.114 Vega
2MASS_K 1205.51 203.95 14.359 0.184 Vega
WISE_W1 512.73 24.72 14.426 0.052 Vega
WISE_W2 356.37 25.56 14.181 0.078 Vega
WISE_W3 402.8 49.04 12.213 0.132 Vega
WISE_W4 -51.99 280.99 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})\, 10.887 10.990 11.082
{\rm log}_{10}({\rm SFR}) -1.244 0.084 1.002
{\rm log}_{10}({\rm sSFR}) -12.281 -10.904 -9.970
{\rm stellar\ age} 4.758 6.152 7.588

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.590 -0.273 -0.085
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.608 -0.637 0.188

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.566 0.760 0.982
\delta -0.677 -0.467 -0.237
\tau_1/\tau_2 0.696 1.045 1.399
Q_{PAH} 0.446 1.347 2.937
U_{min} 2.384 7.709 15.171
{\rm log}_{10}(\gamma_e)\, -3.135 -2.183 -1.168

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.444 -3.408 -2.309
{\rm log}_{10}(\tau_{AGN})\, 1.030 1.558 1.953

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.491 -0.746 0.056
0.03-0.10 Gyr -1.242 0.172 1.157
0.10-0.32 Gyr -0.479 0.760 1.298
0.32-1.01 Gyr -0.175 0.804 1.228
1.01-3.21 Gyr 0.299 1.003 1.304
3.21-10.20 Gyr 0.677 1.127 1.314
10.20-11.33 Gyr 0.393 1.140 1.800