2026eku results

Information

Transient
Name:AT2026eku
Right ascension: 14h28m20.50s
Declination:-4d08m59.47s
Discovery Date:Feb. 25, 2026, 10:59 a.m.
Classification:None
Redshift:None
MW E(B-V):0.069
Host
Name:J142820.48-040859.62
Right ascension: 14h28m20.48s
Declination:-4d08m59.62s
Redshift:None
Photometric Redshift:0.075
 

Cutout Download Report

Downloaded Unavailable
2MASS_H
2MASS_J
2MASS_K
WISE_W1
WISE_W2
WISE_W3
WISE_W4
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_z
GALEX_NUV
GALEX_FUV
DES_i
DES_Y
 

Processing Status: completed

Task Name Status Time (s)
Cutout download processed 16.81
Transient MWEBV processed 0.03
Host match processed 5.62
Host information processed 0.2
Host MWEBV processed 0.03
Global aperture construction processed 0.63
Global aperture photometry processed 5.32
Validate global photometry processed 13.86
Global host SED inference processed 485.62
Local aperture photometry processed 5.32
Validate local photometry processed 0.03
Local host SED inference processed 463.34
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):14h28m20.50s, -4d08m59.47s
semi major axis, semi minor axis (arcsec):1.4, 1.4
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 21.72 0.23 20.558 0.011 AB
PanSTARRS_g 22.94 0.3 20.499 0.014 AB
PanSTARRS_r 31.78 0.46 20.145 0.016 AB
DES_r 26.06 0.48 20.360 0.020 AB
PanSTARRS_i 34.12 0.48 20.067 0.015 AB
PanSTARRS_z 34.4 0.99 20.059 0.031 AB
SDSS_z 33.75 4.32 20.079 0.139 AB
DES_z 29.03 0.93 20.243 0.035 AB
PanSTARRS_y 33.79 2.61 20.078 0.084 AB

Aperture details

RA, DEC (J2000):14h28m20.47s, -4d08m59.42s
semi major axis, semi minor axis (arcsec):4.12, 2.66
angle (degrees, anti-clockwise from east):-33.11
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_g 36.57 0.33 19.992 0.010 AB
PanSTARRS_g 37.93 0.69 19.952 0.020 AB
PanSTARRS_r 56.04 1.04 19.529 0.020 AB
DES_r 41.14 0.68 19.864 0.018 AB
PanSTARRS_i 52.63 1.09 19.597 0.023 AB
PanSTARRS_z 55.88 2.26 19.532 0.044 AB
DES_z 47.48 1.35 19.709 0.031 AB
PanSTARRS_y 50.38 5.95 19.644 0.128 AB
2MASS_J -47.97 118.06 Vega
2MASS_H 56.59 169.69 18.151 3.256 Vega
2MASS_K 169.59 216.27 16.489 1.385 Vega
WISE_W1 43.43 7.87 17.107 0.197 Vega
WISE_W2 23.19 11.56 17.148 0.541 Vega
WISE_W3 63.24 44.71 14.224 0.768 Vega
WISE_W4 240.64 284.73 11.327 1.285 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.281 8.568 8.741
{\rm log}_{10}({\rm SFR}) -1.323 -0.686 -0.124
{\rm log}_{10}({\rm sSFR}) -9.948 -9.271 -8.553
{\rm stellar\ age} 1.238 4.554 6.548

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.696 -1.200 -0.536
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.117 -0.799 -0.478

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.064 0.213 0.567
\delta -0.757 -0.358 0.136
\tau_1/\tau_2 0.587 0.974 1.336
Q_{PAH} 1.291 3.361 5.661
U_{min} 3.146 8.571 16.078
{\rm log}_{10}(\gamma_e)\, -2.881 -1.868 -0.832

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -1.948 -0.557 -0.174
{\rm log}_{10}(\tau_{AGN})\, 1.089 1.459 1.905

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.481 -1.199 -0.854
0.03-0.10 Gyr -1.368 -0.582 0.016
0.10-0.33 Gyr -1.514 -0.773 -0.338
0.33-1.07 Gyr -2.564 -1.191 -0.794
1.07-3.51 Gyr -2.902 -1.463 -1.073
3.51-11.48 Gyr -3.166 -1.635 -1.204
11.48-12.76 Gyr -3.243 -1.637 -0.980

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.449 8.774 8.942
{\rm log}_{10}({\rm SFR}) -1.078 -0.534 0.030
{\rm log}_{10}({\rm sSFR}) -9.923 -9.299 -8.602
{\rm stellar\ age} 1.121 4.576 6.669

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.688 -1.279 -0.673
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.115 -0.738 -0.362

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.057 0.213 0.426
\delta -0.624 -0.167 0.228
\tau_1/\tau_2 0.605 1.056 1.453
Q_{PAH} 2.102 3.952 5.762
U_{min} 3.358 8.677 15.957
{\rm log}_{10}(\gamma_e)\, -2.829 -1.574 -0.504

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.449 -1.398 -0.548
{\rm log}_{10}(\tau_{AGN})\, 1.162 1.608 1.937

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.324 -0.973 -0.693
0.03-0.10 Gyr -1.108 -0.436 0.173
0.10-0.33 Gyr -1.171 -0.570 -0.100
0.33-1.07 Gyr -2.221 -0.983 -0.565
1.07-3.51 Gyr -2.632 -1.243 -0.868
3.51-11.48 Gyr -3.068 -1.408 -0.998
11.48-12.76 Gyr -3.119 -1.379 -0.727