2026keq results

Information

Transient
Name:AT2026keq
Right ascension: 15h31m10.78s
Declination:10d41m25.37s
Discovery Date:April 20, 2026, 10:39 a.m.
Classification:None
Redshift:None
MW E(B-V):
Host
Name:SDSSJ153110.85+10413
Right ascension: 15h31m10.80s
Declination:10d41m32.03s
Redshift:None
Photometric Redshift:0.077
 

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 19.01
Transient MWEBV processed 0.05
Host match processed 4.57
Host information processed 0.09
Host MWEBV processed 0.06
Global aperture construction processed 0.62
Global aperture photometry processed 6.39
Validate global photometry processed 18.05
Global host SED inference processed 403.62
Local aperture photometry processed 6.19
Validate local photometry processed 0.03
Local host SED inference processed 563.79
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):15h31m10.78s, 10d41m25.37s
semi major axis, semi minor axis (arcsec):1.37, 1.37
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 1.27 0.1 23.642 0.085 AB
PanSTARRS_g 0.85 0.29 24.073 0.367 AB
SDSS_r 1.34 0.68 23.579 0.552 AB
PanSTARRS_r 1.47 0.37 23.483 0.273 AB
DES_r 2.06 0.18 23.117 0.093 AB
SDSS_i 5.4 1.16 22.069 0.234 AB
PanSTARRS_i 0.72 0.56 24.261 0.846 AB
PanSTARRS_z 3.57 1.07 22.518 0.326 AB
SDSS_z 0.3 3.42 25.198 12.269 AB
DES_z 3.4 0.59 22.570 0.189 AB
PanSTARRS_y 0.93 2.06 23.974 2.390 AB

Aperture details

RA, DEC (J2000):15h31m10.84s, 10d41m31.86s
semi major axis, semi minor axis (arcsec):6.69, 5.79
angle (degrees, anti-clockwise from east):-46.53
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 22.19 3.53 20.535 0.173 AB
GALEX_NUV 35.95 2.73 20.011 0.082 AB
SDSS_u 84.63 5.19 19.081 0.067 AB
DES_g 230.3 0.74 17.994 0.004 AB
PanSTARRS_g 231.16 1.32 17.990 0.006 AB
SDSS_r 323.88 5.37 17.624 0.018 AB
PanSTARRS_r 334.23 1.66 17.590 0.005 AB
DES_r 367.07 1.51 17.488 0.004 AB
SDSS_i 447.67 7.05 17.273 0.017 AB
PanSTARRS_i 438.96 2.55 17.294 0.006 AB
SDSS_z 512.56 16.42 17.126 0.035 AB
DES_z 511.02 5.49 17.129 0.012 AB
PanSTARRS_y 581.66 9.3 16.988 0.017 AB
2MASS_H 487.09 230.35 15.813 0.513 Vega
WISE_W2 199.66 15.49 14.810 0.084 Vega
WISE_W3 601.51 59.29 11.778 0.107 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 7.174 7.790 8.242
{\rm log}_{10}({\rm SFR}) -1.147 -0.778 -0.327
{\rm log}_{10}({\rm sSFR}) -9.157 -8.330 -7.963
{\rm stellar\ age} 0.020 2.718 6.994

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.341 -0.731 -0.092
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.583 -0.777 0.104

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 1.616 2.241 2.821
\delta 0.111 0.241 0.340
\tau_1/\tau_2 0.588 0.929 1.304
Q_{PAH} 0.544 1.720 4.298
U_{min} 3.031 8.985 17.167
{\rm log}_{10}(\gamma_e)\, -3.388 -2.302 -1.069

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.371 -1.097 -0.011
{\rm log}_{10}(\tau_{AGN})\, 1.000 1.358 1.825

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.771 -0.336 0.137
0.03-0.10 Gyr -3.868 -2.059 -1.005
0.10-0.33 Gyr -5.889 -2.917 -1.521
0.33-1.07 Gyr -7.322 -3.451 -1.855
1.07-3.50 Gyr -7.556 -3.390 -1.800
3.50-11.46 Gyr -7.961 -3.230 -1.745
11.46-12.74 Gyr -8.445 -3.071 -1.508

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.853 9.921 9.982
{\rm log}_{10}({\rm SFR}) 0.004 0.251 0.526
{\rm log}_{10}({\rm sSFR}) -9.942 -9.663 -9.380
{\rm stellar\ age} 5.425 6.431 7.523

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.638 -0.402 -0.201
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.436 0.263 0.416

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.106 0.172 0.328
\delta -0.867 -0.576 -0.210
\tau_1/\tau_2 0.735 1.074 1.405
Q_{PAH} 0.668 1.531 2.742
U_{min} 2.300 6.485 13.225
{\rm log}_{10}(\gamma_e)\, -3.083 -2.203 -1.355

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.306 -3.184 -2.153
{\rm log}_{10}(\tau_{AGN})\, 1.006 1.458 1.893

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.517 -0.324 -0.177
0.03-0.10 Gyr 0.089 0.381 0.670
0.10-0.33 Gyr 0.045 0.313 0.549
0.33-1.07 Gyr -0.428 -0.036 0.199
1.07-3.50 Gyr -0.378 -0.072 0.139
3.50-11.46 Gyr -0.210 -0.001 0.127
11.46-12.74 Gyr -0.395 0.038 0.472