2026gdg results

Information

Transient
Name:AT2026gdg
Right ascension: 8h28m16.11s
Declination:36d20m53.45s
Discovery Date:Jan. 7, 2026, 5:09 p.m.
Classification:None
Redshift:None
MW E(B-V):0.041
Host
Name:J082816.31+362051.36
Object ID:9907733771980052
Catalog Name:decals
Catalog Release:dr9
Right ascension: 8h28m16.31s
Declination:36d20m51.36s
Redshift:None
Photometric Redshift:0.178
 

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_i
DES_z
DES_Y
 

Processing Status: blocked

Task Name Status Time (s)
Cutout download processed 15.96
Transient MWEBV processed 0.21
Host match processed 5.44
Host information processed 0.12
Host MWEBV processed 0.05
Global aperture construction processed 3.3
Global aperture photometry processed 4.92
Validate global photometry processed 16.26
Global host SED inference processed 597.88
Local aperture photometry processed 4.44
Validate local photometry no valid phot 0.02
Local host SED inference not processed None
 

Imaging data


 

Spectral Energy Distribution


 

Aperture Photometry


Aperture details

Data not available


Aperture details

RA, DEC (J2000):8h28m16.32s, 36d20m51.48s
semi major axis, semi minor axis (arcsec):6.18, 5.32
angle (degrees, anti-clockwise from east):-59.19
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 11.78 3.46 21.222 0.319 AB
GALEX_NUV 5.99 1.52 21.956 0.276 AB
SDSS_u 0.54 4.1 24.567 8.229 AB
SDSS_g 26.96 2.39 20.323 0.096 AB
PanSTARRS_g 26.62 1.23 20.337 0.050 AB
SDSS_r 34.1 3.03 20.068 0.097 AB
PanSTARRS_r 35.48 1.68 20.025 0.051 AB
SDSS_i 55.55 4.65 19.538 0.091 AB
PanSTARRS_i 45.31 1.33 19.760 0.032 AB
PanSTARRS_z 54.55 3.32 19.558 0.066 AB
SDSS_z -19.97 15.86 AB
PanSTARRS_y 42.25 10.08 19.835 0.259 AB
2MASS_J 164.93 167.02 17.462 1.099 Vega
2MASS_H -288.34 240.76 Vega
2MASS_K 211.79 245.98 16.247 1.261 Vega
WISE_W1 58.62 12.02 16.781 0.223 Vega
WISE_W2 28.2 17.74 16.935 0.683 Vega
WISE_W3 49.2 70.45 14.496 1.555 Vega
WISE_W4 723.51 491.86 10.131 0.738 Vega
 

Host SED inference


Local parameter details

Documentation

Data not available


Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.374 9.558 9.724
{\rm log}_{10}({\rm SFR}) -0.290 0.193 0.657
{\rm log}_{10}({\rm sSFR}) -9.867 -9.397 -8.890
{\rm stellar\ age} 1.534 3.920 5.473

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.576 -0.976 -0.283
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.552 0.056 0.360

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.107 0.401 0.811
\delta -0.008 0.275 0.368
\tau_1/\tau_2 0.581 0.962 1.383
Q_{PAH} 1.195 3.092 5.189
U_{min} 2.811 8.186 15.544
{\rm log}_{10}(\gamma_e)\, -2.924 -2.013 -0.834

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.400 -0.936 -0.290
{\rm log}_{10}(\tau_{AGN})\, 1.042 1.435 1.893

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.629 -0.242 0.070
0.03-0.10 Gyr -0.261 0.292 0.793
0.10-0.32 Gyr -0.058 0.362 0.744
0.32-1.02 Gyr -0.542 0.046 0.349
1.02-3.26 Gyr -1.210 -0.285 -0.006
3.26-10.40 Gyr -1.831 -0.600 -0.237
10.40-11.55 Gyr -2.022 -0.593 -0.013