2025keu

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Information

Transient

Name: AT2025keu
Right ascension: 15h09m41.33s
Declination: 28d56m47.04s
Discovery Date: May 8, 2025, 9:55 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.024

Host

Name: 2025keu
Right ascension: 15h09m41.94s
Declination: 28d56m48.45s
Redshift: 0.079996
Photometric Redshift: 0.104
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 15.84
Transient MWEBV processed 0.04
Host match processed 2.0
Host information processed 0.1
Host MWEBV processed 0.04
Global aperture construction processed 0.66
Global aperture photometry processed 7.57
Validate global photometry processed 18.5
Global host SED inference processed 427.1
Local aperture photometry processed 7.22
Validate local photometry processed 0.02
Local host SED inference processed 455.9
 

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) = 15h09m41.33s, 28d56m47.04s
semi major axis, semi minor axis (arcsec) = 1.33, 1.33
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_g 1.38 0.09 23.547 0.072 AB
PanSTARRS_g 1.24 0.29 23.662 0.249 AB
SDSS_r 2.28 0.7 23.005 0.332 AB
PanSTARRS_r 2.04 0.41 23.127 0.216 AB
DES_r 2.52 0.21 22.898 0.091 AB
SDSS_i 2.14 1.19 23.073 0.602 AB
PanSTARRS_i 3.53 0.48 22.530 0.147 AB
PanSTARRS_z 3.88 0.87 22.429 0.244 AB
SDSS_z 6.13 4.14 21.931 0.732 AB
DES_z 4.5 0.6 22.266 0.144 AB
PanSTARRS_y 8.37 2.66 21.593 0.345 AB

Aperture details

RA, DEC (J2000) = 15h09m41.93s, 28d56m48.61s
semi major axis, semi minor axis (arcsec) = 5.6, 4.39
angle (degrees, anti-clockwise from east) = -119.73

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_u 32.08 4.79 20.134 0.162 AB
SDSS_g 198.86 3.88 18.154 0.021 AB
DES_g 209.59 0.66 18.097 0.003 AB
PanSTARRS_g 216.95 1.11 18.059 0.006 AB
SDSS_r 421.43 5.71 17.338 0.015 AB
PanSTARRS_r 419.49 1.56 17.343 0.004 AB
DES_r 454.36 1.86 17.256 0.004 AB
SDSS_i 612.77 7.63 16.932 0.014 AB
PanSTARRS_i 582.42 1.9 16.987 0.004 AB
PanSTARRS_z 721.58 3.25 16.754 0.005 AB
SDSS_z 826.4 16.87 16.607 0.022 AB
DES_z 789.88 5.75 16.656 0.008 AB
PanSTARRS_y 771.48 9.9 16.682 0.014 AB
2MASS_J 920.65 126.82 15.595 0.150 Vega
2MASS_H 1454.11 205.48 14.626 0.153 Vega
2MASS_K 1614.13 229.92 14.042 0.155 Vega
WISE_W2 248.0 19.14 14.575 0.084 Vega
WISE_W3 227.94 40.72 12.831 0.194 Vega
WISE_W4 102.71 284.27 12.251 3.005 Vega
 

Imaging data

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Spectral Energy Distribution

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Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 7.553 8.056 8.391
{\rm log}_{10}({\rm SFR}) -1.304 -0.854 -0.364
{\rm log}_{10}({\rm sSFR}) -9.496 -8.829 -7.996
{\rm stellar\ age} 0.173 3.716 6.555

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.262 -0.629 -0.081
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.124 -0.370 0.116

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 1.433 1.952 2.619
\delta 0.034 0.194 0.317
\tau_1/\tau_2 0.795 1.139 1.539
Q_{PAH} 0.826 2.732 5.259
U_{min} 3.041 8.313 16.366
{\rm log}_{10}(\gamma_e)\, -3.007 -2.020 -0.842

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.025 -0.660 0.063
{\rm log}_{10}(\tau_{AGN})\, 1.009 1.442 1.876

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.206 -0.708 -0.155
0.03-0.10 Gyr -2.291 -1.181 -0.498
0.10-0.33 Gyr -3.124 -1.522 -0.851
0.33-1.07 Gyr -4.509 -1.933 -1.343
1.07-3.50 Gyr -5.267 -2.197 -1.543
3.50-11.43 Gyr -6.245 -2.351 -1.618
11.43-12.70 Gyr -6.269 -2.419 -1.466

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.320 10.402 10.504
{\rm log}_{10}({\rm SFR}) -4.162 -1.804 -0.866
{\rm log}_{10}({\rm sSFR}) -14.369 -12.159 -11.250
{\rm stellar\ age} 6.867 7.855 11.582

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.232 -0.888 -0.657
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.600 -0.772 0.071

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.191 0.357 0.549
\delta -0.698 -0.280 0.034
\tau_1/\tau_2 0.535 0.939 1.380
Q_{PAH} 0.820 2.132 4.128
U_{min} 3.241 9.075 17.038
{\rm log}_{10}(\gamma_e)\, -3.009 -2.163 -0.857

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.326 -3.278 -2.324
{\rm log}_{10}(\tau_{AGN})\, 1.021 1.503 1.919

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -4.977 -1.955 -1.021
0.03-0.10 Gyr -5.098 -2.064 -0.827
0.10-0.33 Gyr -4.600 -1.941 -0.653
0.33-1.07 Gyr -3.978 -1.584 -0.452
1.07-3.50 Gyr -2.482 -0.457 0.456
3.50-11.43 Gyr -0.754 0.517 0.708
11.43-12.70 Gyr -0.748 0.715 1.619