2025ken

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Information

Transient

Name: AT2025ken
Right ascension: 23h55m21.38s
Declination: 15d30m46.36s
Discovery Date: May 8, 2025, 11:40 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.046

Host

Name: 2025ken
Right ascension: 23h55m21.36s
Declination: 15d30m46.46s
Redshift: None
Photometric Redshift: 0.170
 

Processing Status

Task Name Status Time taken (s) Warning Flag
Host match processed 1.6
Cutout download processed 10.57
Global aperture construction processed 0.71
Local aperture photometry processed 4.94
Global aperture photometry processed 5.06
Validate local photometry no valid phot 0.02
Validate global photometry processed 14.43
Host information processed 0.08
Global host SED inference processed 414.27
Local host SED inference not processed None
Transient information processed 0.0
Transient MWEBV processed 0.04
Host MWEBV processed 0.04
Log transient processing status blocked 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) = 23h55m21.38s, 15d30m46.36s
semi major axis, semi minor axis (arcsec) = 0.69, 0.69
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys

Aperture details

RA, DEC (J2000) = 23h55m21.35s, 15d30m46.53s
semi major axis, semi minor axis (arcsec) = 4.0, 3.55
angle (degrees, anti-clockwise from east) = -170.81

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 4.5 0.6 22.266 0.144 AB
GALEX_NUV 5.66 0.5 22.018 0.095 AB
SDSS_u 12.76 2.64 21.135 0.225 AB
PanSTARRS_g 46.22 1.06 19.738 0.025 AB
SDSS_r 85.02 2.78 19.076 0.035 AB
PanSTARRS_r 80.71 1.19 19.133 0.016 AB
SDSS_i 119.54 3.75 18.706 0.034 AB
PanSTARRS_i 114.29 1.35 18.755 0.013 AB
PanSTARRS_z 129.93 2.74 18.616 0.023 AB
PanSTARRS_y 156.86 5.81 18.411 0.040 AB
2MASS_J 354.21 116.8 16.632 0.358 Vega
2MASS_H 93.37 150.42 17.607 1.749 Vega
2MASS_K 475.54 220.73 15.369 0.504 Vega
WISE_W1 70.52 9.18 16.580 0.141 Vega
WISE_W2 46.51 16.23 16.392 0.379 Vega
WISE_W3 -5.48 70.64 Vega
WISE_W4 -44.8 431.99 Vega
 

Imaging data

 

Spectral Energy Distribution

 
 
 
 

Host SED inference


Local parameter details

Documentation

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.058 10.135 10.216
{\rm log}_{10}({\rm SFR}) 0.012 0.306 0.583
{\rm log}_{10}({\rm sSFR}) -10.155 -9.842 -9.532
{\rm stellar\ age} 4.990 5.927 6.908

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.218 -0.544 -0.220
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.410 0.110 0.356

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.175 0.302 0.480
\delta -0.738 -0.389 -0.119
\tau_1/\tau_2 0.800 1.132 1.494
Q_{PAH} 0.766 2.169 4.439
U_{min} 2.510 7.708 14.844
{\rm log}_{10}(\gamma_e)\, -2.531 -1.326 -0.492

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.915 -2.124 -1.052
{\rm log}_{10}(\tau_{AGN})\, 1.136 1.565 1.932

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.269 -0.008 0.180
0.03-0.10 Gyr 0.038 0.397 0.712
0.10-0.32 Gyr 0.104 0.398 0.651
0.32-1.02 Gyr -0.072 0.246 0.483
1.02-3.27 Gyr -0.043 0.216 0.402
3.27-10.47 Gyr 0.059 0.265 0.409
10.47-11.64 Gyr -0.176 0.293 0.748