2026gbk results

Information

Transient
Name:AT2026gbk
Right ascension: 21h10m55.23s
Declination:8d02m33.72s
Discovery Date:March 19, 2026, 12:46 p.m.
Classification:None
Redshift:None
MW E(B-V):0.091
Host
Name:
Right ascension: 21h10m55.33s
Declination:8d02m34.20s
Redshift:None
Photometric Redshift:0.103
 

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 19.12
Transient MWEBV processed 0.04
Host match processed 6.89
Host information processed 0.12
Host MWEBV processed 0.13
Global aperture construction processed 0.67
Global aperture photometry processed 6.76
Validate global photometry processed 20.55
Global host SED inference processed 477.87
Local aperture photometry processed 6.68
Validate local photometry processed 0.03
Local host SED inference processed 658.37
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):21h10m55.23s, 8d02m33.72s
semi major axis, semi minor axis (arcsec):1.06, 1.06
angle (degrees, anti-clockwise from east):0.0
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_z 87.1 1.37 19.050 0.017 AB
PanSTARRS_y 86.67 1.8 19.055 0.023 AB

Aperture details

RA, DEC (J2000):21h10m55.32s, 8d02m34.44s
semi major axis, semi minor axis (arcsec):6.46, 4.96
angle (degrees, anti-clockwise from east):-150.3
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 13.35 3.02 21.086 0.245 AB
GALEX_NUV 10.31 0.73 21.367 0.077 AB
SDSS_u 50.5 5.59 19.642 0.120 AB
SDSS_g 144.53 3.48 18.500 0.026 AB
DES_g 154.19 0.54 18.430 0.004 AB
PanSTARRS_g 162.56 1.17 18.372 0.008 AB
SDSS_r 316.29 5.25 17.650 0.018 AB
PanSTARRS_r 330.99 1.52 17.600 0.005 AB
DES_r 351.54 1.3 17.535 0.004 AB
SDSS_i 495.85 6.81 17.162 0.015 AB
PanSTARRS_i 488.07 1.69 17.179 0.004 AB
PanSTARRS_z 627.69 4.91 16.906 0.008 AB
SDSS_z 677.16 14.98 16.823 0.024 AB
DES_z 657.88 3.97 16.855 0.007 AB
PanSTARRS_y 733.09 9.48 16.737 0.014 AB
2MASS_J 649.94 150.31 15.973 0.251 Vega
2MASS_H 692.47 260.45 15.431 0.408 Vega
2MASS_K 1062.1 235.71 14.497 0.241 Vega
WISE_W1 439.0 19.83 14.595 0.049 Vega
WISE_W2 249.05 22.33 14.570 0.097 Vega
WISE_W3 61.22 79.81 14.259 1.415 Vega
WISE_W4 300.83 492.95 11.084 1.779 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.110 9.451 9.708
{\rm log}_{10}({\rm SFR}) -0.513 -0.082 0.399
{\rm log}_{10}({\rm sSFR}) -10.025 -9.557 -8.892
{\rm stellar\ age} 2.263 6.089 8.697

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.382 -0.504 0.015
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.071 -0.613 0.009

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.371 0.612 1.017
\delta -0.826 -0.459 0.053
\tau_1/\tau_2 0.395 0.834 1.347
Q_{PAH} 0.628 1.922 4.183
U_{min} 2.765 7.869 15.071
{\rm log}_{10}(\gamma_e)\, -3.399 -2.426 -1.171

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.798 -1.675 -0.546
{\rm log}_{10}(\tau_{AGN})\, 1.080 1.514 1.960

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.269 0.118 0.579
0.03-0.10 Gyr -2.019 -0.566 0.299
0.10-0.33 Gyr -3.015 -0.851 -0.094
0.33-1.06 Gyr -3.299 -0.737 -0.018
1.06-3.44 Gyr -2.894 -0.811 -0.295
3.44-11.18 Gyr -2.223 -0.671 -0.237
11.18-12.42 Gyr -1.920 -0.545 0.417

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.609 10.676 10.711
{\rm log}_{10}({\rm SFR}) -0.473 -0.111 0.240
{\rm log}_{10}({\rm sSFR}) -11.182 -10.790 -10.440
{\rm stellar\ age} 8.873 11.479 11.764

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.780 -0.573 -0.459
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.293 0.114 0.326

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.058 0.122 0.254
\delta -0.686 -0.347 -0.034
\tau_1/\tau_2 0.634 1.122 1.597
Q_{PAH} 1.126 2.881 4.797
U_{min} 2.651 8.037 15.337
{\rm log}_{10}(\gamma_e)\, -2.830 -1.786 -0.618

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.306 -3.176 -2.171
{\rm log}_{10}(\tau_{AGN})\, 1.108 1.617 1.973

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.747 -0.304 -0.079
0.03-0.10 Gyr -0.542 -0.047 0.363
0.10-0.33 Gyr -3.416 -1.118 -0.329
0.33-1.06 Gyr -5.262 -1.595 -0.662
1.06-3.44 Gyr -4.226 -1.708 -0.618
3.44-11.18 Gyr -1.783 -0.278 0.760
11.18-12.42 Gyr 1.310 1.810 1.864