2026keu results

Information

Transient
Name:AT2026keu
Right ascension: 12h24m43.31s
Declination:7d44m34.42s
Discovery Date:Feb. 19, 2026, 5:57 a.m.
Classification:None
Redshift:None
MW E(B-V):0.019
Host
Name:J122443.28+074433.70
Right ascension: 12h24m43.28s
Declination:7d44m33.70s
Redshift:0.082502
Photometric Redshift:None
 

Cutout Download Report

Downloaded Unavailable
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_z
DES_i
DES_Y
 

Processing Status: completed

Task Name Status Time (s)
Cutout download processed 18.43
Transient MWEBV processed 0.1
Host match processed 5.71
Host information processed 0.05
Host MWEBV processed 0.17
Global aperture construction processed 0.63
Global aperture photometry processed 6.37
Validate global photometry processed 18.77
Global host SED inference processed 480.28
Local aperture photometry processed 6.36
Validate local photometry processed 0.03
Local host SED inference processed 468.85
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):12h24m43.31s, 7d44m34.42s
semi major axis, semi minor axis (arcsec):1.29, 1.29
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 52.76 0.29 19.594 0.006 AB
PanSTARRS_r 99.93 0.4 18.901 0.004 AB
DES_r 123.12 0.73 18.674 0.006 AB
SDSS_i 151.67 3.39 18.448 0.024 AB
PanSTARRS_i 146.54 0.49 18.485 0.004 AB
PanSTARRS_z 177.97 0.79 18.274 0.005 AB
DES_z 201.71 2.44 18.138 0.013 AB
PanSTARRS_y 193.24 1.65 18.185 0.009 AB

Aperture details

RA, DEC (J2000):12h24m43.28s, 7d44m33.93s
semi major axis, semi minor axis (arcsec):6.36, 5.08
angle (degrees, anti-clockwise from east):-1.29
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_NUV 26.83 0.44 20.328 0.018 AB
SDSS_u 97.48 6.4 18.928 0.071 AB
SDSS_g 195.78 4.1 18.171 0.023 AB
DES_g 202.92 0.62 18.132 0.003 AB
SDSS_r 348.09 5.68 17.546 0.018 AB
PanSTARRS_r 339.98 1.56 17.571 0.005 AB
DES_r 372.66 1.39 17.472 0.004 AB
SDSS_i 449.95 7.52 17.267 0.018 AB
PanSTARRS_z 527.14 3.3 17.095 0.007 AB
WISE_W1 473.38 13.73 14.513 0.031 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.707 9.814 9.938
{\rm log}_{10}({\rm SFR}) -1.598 -1.011 -0.473
{\rm log}_{10}({\rm sSFR}) -11.394 -10.795 -10.262
{\rm stellar\ age} 6.643 7.917 11.389

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.477 -0.986 -0.680
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.768 -0.328 0.301

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.273 0.511 0.812
\delta -0.716 -0.358 -0.019
\tau_1/\tau_2 0.653 1.020 1.403
Q_{PAH} 0.717 2.123 4.631
U_{min} 3.213 8.501 15.719
{\rm log}_{10}(\gamma_e)\, -2.972 -1.668 -0.443

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.185 -0.904 -0.292
{\rm log}_{10}(\tau_{AGN})\, 1.043 1.427 1.879

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.591 -0.992 -0.570
0.03-0.10 Gyr -1.995 -1.080 -0.439
0.10-0.33 Gyr -2.382 -1.170 -0.437
0.33-1.07 Gyr -2.700 -1.153 -0.435
1.07-3.49 Gyr -2.596 -0.791 -0.148
3.49-11.40 Gyr -0.849 -0.108 0.075
11.40-12.67 Gyr -0.393 0.215 1.021

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.050 10.176 10.316
{\rm log}_{10}({\rm SFR}) 0.096 0.573 0.950
{\rm log}_{10}({\rm sSFR}) -10.095 -9.589 -9.159
{\rm stellar\ age} 6.320 7.444 10.915

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.294 -0.686 -0.298
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.571 0.251 0.421

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.199 0.379 0.627
\delta -0.693 -0.353 -0.007
\tau_1/\tau_2 0.560 0.977 1.397
Q_{PAH} 0.865 2.212 4.292
U_{min} 2.825 8.469 16.385
{\rm log}_{10}(\gamma_e)\, -3.156 -1.835 -0.764

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.315 -1.712 -1.110
{\rm log}_{10}(\tau_{AGN})\, 0.909 1.261 1.753

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.315 -0.490 0.002
0.03-0.10 Gyr 0.207 0.719 1.106
0.10-0.33 Gyr -2.403 -0.273 0.304
0.33-1.07 Gyr -3.481 -0.554 -0.045
1.07-3.49 Gyr -2.364 -0.263 0.208
3.49-11.40 Gyr -0.609 0.209 0.441
11.40-12.67 Gyr -0.388 0.462 1.353