2026zdg results

Information

Transient
Name:AT2026zdg
Right ascension: 0h50m26.97s
Declination:27d41m05.14s
Discovery Date:Aug. 12, 2026, 11:14 p.m.
Classification:None
Redshift:None
MW E(B-V):0.053
Host
Name:J005027.00+274105.39
Object ID:9906631508364743
Catalog Name:decals
Catalog Release:dr9
Right ascension: 0h50m27.00s
Declination:27d41m05.39s
Redshift:None
Photometric Redshift:0.102
 
 

Processing Status: completed

Task Name Status Time (s)
Cutout download processed 19.24
Transient MWEBV processed 0.13
Host match processed 6.12
Host information processed 0.07
Host MWEBV processed 0.16
Host spectrum download processed 0.11
Global aperture construction processed 0.69
Global aperture photometry processed 7.69
Validate global photometry processed 19.41
Global host SED inference processed 364.04
Local aperture photometry processed 6.87
Validate local photometry processed 0.03
Local host SED inference processed 438.7
 

Imaging data


 

Spectral Energy Distribution



 

Host Galaxy Spectrum


 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.392 10.107 10.496
{\rm log}_{10}({\rm SFR}) -0.402 0.519 1.114
{\rm log}_{10}({\rm sSFR}) -10.677 -9.601 -8.291
{\rm stellar\ age} 0.815 6.662 8.763

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.427 -0.573 -0.049
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.218 -0.390 0.215

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 1.273 1.950 2.792
\delta -0.711 -0.293 0.153
\tau_1/\tau_2 0.576 0.905 1.260
Q_{PAH} 0.338 1.581 4.031
U_{min} 3.218 8.679 16.743
{\rm log}_{10}(\gamma_e)\, -3.310 -2.294 -0.955

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.324 -2.558 -0.279
{\rm log}_{10}(\tau_{AGN})\, 1.052 1.468 1.942

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.346 0.690 1.364
0.03-0.10 Gyr -1.858 -0.135 0.768
0.10-0.33 Gyr -2.898 -0.638 0.269
0.33-1.06 Gyr -3.440 -0.751 0.094
1.06-3.44 Gyr -3.408 -0.466 0.281
3.44-11.19 Gyr -2.922 -0.058 0.627
11.19-12.43 Gyr -3.393 0.054 1.097

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.247 10.355 10.452
{\rm log}_{10}({\rm SFR}) -2.452 -0.511 -0.057
{\rm log}_{10}({\rm sSFR}) -12.939 -10.864 -10.412
{\rm stellar\ age} 6.415 7.410 9.378

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.649 -1.281 -0.937
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.382 -0.553 0.140

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.435 0.586 0.759
\delta -0.839 -0.598 -0.251
\tau_1/\tau_2 0.607 0.934 1.266
Q_{PAH} 0.436 1.327 3.103
U_{min} 2.789 8.336 16.383
{\rm log}_{10}(\gamma_e)\, -3.130 -2.246 -1.226

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.575 -3.744 -2.450
{\rm log}_{10}(\tau_{AGN})\, 1.135 1.588 1.961

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.858 -0.526 -0.026
0.03-0.10 Gyr -3.192 -0.602 -0.050
0.10-0.33 Gyr -3.031 -0.668 -0.114
0.33-1.06 Gyr -2.619 -0.549 0.061
1.06-3.44 Gyr -1.505 -0.026 0.432
3.44-11.19 Gyr -0.100 0.529 0.677
11.19-12.43 Gyr -0.382 0.583 1.288
 

Aperture Photometry


Aperture details

RA, DEC (J2000):0h50m26.97s, 27d41m05.14s
semi major axis, semi minor axis (arcsec):1.07, 1.07
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 169.49 2.24 18.327 0.014 AB
PanSTARRS_y 201.56 1.94 18.139 0.010 AB

Aperture details

RA, DEC (J2000):0h50m26.99s, 27d41m05.66s
semi major axis, semi minor axis (arcsec):4.42, 2.82
angle (degrees, anti-clockwise from east):214.0
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 0.64 0.83 24.378 1.403 AB
GALEX_NUV 4.79 2.22 22.199 0.502 AB
SDSS_u 14.94 3.7 20.964 0.269 AB
SDSS_g 81.72 2.53 19.119 0.034 AB
DES_g 94.72 0.4 18.959 0.005 AB
PanSTARRS_g 96.85 1.17 18.935 0.013 AB
SDSS_r 205.06 4.08 18.120 0.022 AB
PanSTARRS_r 203.26 0.98 18.130 0.005 AB
DES_r 227.1 1.16 18.009 0.006 AB
SDSS_i 309.78 5.31 17.672 0.019 AB
PanSTARRS_i 321.43 1.67 17.632 0.006 AB
PanSTARRS_z 411.13 2.66 17.365 0.007 AB
SDSS_z 387.94 15.26 17.428 0.043 AB
DES_z 418.49 3.57 17.346 0.009 AB
PanSTARRS_y 460.01 6.14 17.243 0.014 AB
2MASS_J 582.33 99.74 16.092 0.186 Vega
2MASS_H 659.34 144.93 15.485 0.239 Vega
2MASS_K 583.15 166.25 15.148 0.310 Vega
WISE_W1 242.24 10.64 15.240 0.048 Vega
WISE_W2 146.84 12.94 15.144 0.096 Vega
WISE_W3 22.79 49.9 15.332 2.377 Vega
WISE_W4 -421.88 304.08 Vega