2026lgg results

Information

Transient
Name:AT2026lgg
Right ascension: 21h27m29.55s
Declination:-13d04m55.65s
Discovery Date:April 24, 2026, 11:48 a.m.
Classification:None
Redshift:None
MW E(B-V):0.051
Host
Name:
Right ascension: 21h27m29.56s
Declination:-13d04m56.46s
Redshift:None
Photometric Redshift:0.081
 

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
DES_g
DES_r
DES_z
GALEX_NUV
GALEX_FUV
SDSS_i
SDSS_r
SDSS_u
SDSS_z
SDSS_g
DES_i
DES_Y
 

Processing Status: completed

Task Name Status Time (s)
Cutout download processed 6.5
Transient MWEBV processed 0.06
Host match processed 5.38
Host information processed 0.06
Host MWEBV processed 0.05
Global aperture construction processed 0.64
Global aperture photometry processed 5.38
Validate global photometry processed 14.48
Global host SED inference processed 453.47
Local aperture photometry processed 5.4
Validate local photometry processed 0.02
Local host SED inference processed 532.86
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):21h27m29.55s, -13d04m55.65s
semi major axis, semi minor axis (arcsec):1.31, 1.31
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 149.65 0.52 18.462 0.004 AB
PanSTARRS_g 158.45 0.36 18.400 0.002 AB
PanSTARRS_r 333.41 0.51 17.593 0.002 AB
DES_r 358.68 1.58 17.513 0.005 AB
PanSTARRS_i 526.04 0.39 17.097 0.001 AB
PanSTARRS_z 725.93 1.12 16.748 0.002 AB
DES_z 643.61 5.4 16.878 0.009 AB
PanSTARRS_y 780.78 2.28 16.669 0.003 AB

Aperture details

RA, DEC (J2000):21h27m29.55s, -13d04m56.20s
semi major axis, semi minor axis (arcsec):8.07, 5.97
angle (degrees, anti-clockwise from east):-53.83
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_g 488.82 1.03 17.177 0.002 AB
PanSTARRS_g 514.24 1.49 17.122 0.003 AB
PanSTARRS_r 1037.27 1.97 16.360 0.002 AB
DES_r 1120.34 2.94 16.277 0.003 AB
PanSTARRS_i 1499.45 1.58 15.960 0.001 AB
PanSTARRS_z 1901.81 5.12 15.702 0.003 AB
DES_z 1997.31 9.75 15.649 0.005 AB
PanSTARRS_y 2339.93 11.62 15.477 0.005 AB
2MASS_J 2754.68 150.1 14.405 0.059 Vega
2MASS_H 4053.94 192.68 13.513 0.052 Vega
2MASS_K 3199.34 287.89 13.300 0.098 Vega
WISE_W3 428.84 104.82 12.145 0.265 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.339 10.466 10.598
{\rm log}_{10}({\rm SFR}) -3.993 -1.260 -0.119
{\rm log}_{10}({\rm sSFR}) -14.385 -11.684 -10.534
{\rm stellar\ age} 6.762 8.342 11.923

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.736 -1.297 -0.860
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.723 -0.943 0.095

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.518 0.766 1.038
\delta -0.698 -0.455 -0.149
\tau_1/\tau_2 0.492 0.942 1.372
Q_{PAH} 0.463 1.976 4.441
U_{min} 3.355 9.243 17.364
{\rm log}_{10}(\gamma_e)\, -3.339 -1.866 -0.540

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.548 -1.440 -0.642
{\rm log}_{10}(\tau_{AGN})\, 1.027 1.470 1.945

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -4.818 -1.735 -0.687
0.03-0.10 Gyr -4.922 -1.356 -0.011
0.10-0.33 Gyr -4.553 -1.261 0.020
0.33-1.07 Gyr -4.204 -1.273 0.007
1.07-3.49 Gyr -3.239 -0.817 0.369
3.49-11.42 Gyr -1.485 0.427 0.722
11.42-12.69 Gyr -0.351 0.981 1.727

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.793 10.871 10.945
{\rm log}_{10}({\rm SFR}) -1.339 -0.634 0.104
{\rm log}_{10}({\rm sSFR}) -12.162 -11.512 -10.806
{\rm stellar\ age} 6.605 7.791 10.057

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.438 -0.171 0.018
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.670 -0.769 0.171

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.087 0.229 0.383
\delta -0.491 0.031 0.290
\tau_1/\tau_2 0.557 0.919 1.293
Q_{PAH} 0.480 1.383 3.322
U_{min} 2.821 7.990 14.799
{\rm log}_{10}(\gamma_e)\, -3.145 -2.199 -1.446

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.343 -3.214 -1.828
{\rm log}_{10}(\tau_{AGN})\, 0.894 1.308 1.825

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.462 -0.659 -0.128
0.03-0.10 Gyr -1.687 -0.676 0.182
0.10-0.33 Gyr -1.664 -0.543 0.121
0.33-1.07 Gyr -1.481 -0.398 0.178
1.07-3.49 Gyr -0.564 0.412 1.018
3.49-11.42 Gyr 0.578 1.011 1.153
11.42-12.69 Gyr 0.449 1.187 1.867