2026zeg results

Information

Transient
Name:AT2026zeg
Right ascension: 22h22m00.47s
Declination:3d39m07.53s
Discovery Date:Aug. 16, 2026, 10:22 a.m.
Classification:None
Redshift:None
MW E(B-V):0.086
Host
Name:J222200.52+033909.62
Object ID:9906622920393736
Catalog Name:decals
Catalog Release:dr9
Right ascension: 22h22m00.52s
Declination:3d39m09.62s
Redshift:None
Photometric Redshift:0.066
 
 

Processing Status: completed

Task Name Status Time (s)
Cutout download processed 19.54
Transient MWEBV processed 0.1
Host match processed 5.29
Host information processed 0.14
Host MWEBV processed 0.09
Host spectrum download processed 0.1
Global aperture construction processed 0.68
Global aperture photometry processed 7.02
Validate global photometry processed 19.68
Global host SED inference processed 331.93
Local aperture photometry processed 6.62
Validate local photometry processed 0.03
Local host SED inference processed 383.24
 

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})\, 9.426 9.588 9.692
{\rm log}_{10}({\rm SFR}) -0.715 -0.228 0.320
{\rm log}_{10}({\rm sSFR}) -10.350 -9.849 -9.201
{\rm stellar\ age} 2.782 6.098 7.459

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.346 -0.511 -0.101
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.456 -0.561 0.139

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.242 0.626 1.198
\delta -0.455 -0.079 0.250
\tau_1/\tau_2 0.716 1.026 1.335
Q_{PAH} 0.696 2.069 4.344
U_{min} 2.900 7.943 15.454
{\rm log}_{10}(\gamma_e)\, -2.834 -1.612 -0.594

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.345 -2.811 -0.910
{\rm log}_{10}(\tau_{AGN})\, 1.133 1.577 1.982

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.861 -0.341 0.114
0.03-0.10 Gyr -0.803 -0.237 0.366
0.10-0.33 Gyr -0.880 -0.306 0.306
0.33-1.08 Gyr -1.017 -0.410 0.006
1.08-3.53 Gyr -1.014 -0.382 -0.109
3.53-11.59 Gyr -1.223 -0.383 -0.165
11.59-12.87 Gyr -1.585 -0.449 0.050

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.420 10.509 10.608
{\rm log}_{10}({\rm SFR}) 0.119 0.400 0.678
{\rm log}_{10}({\rm sSFR}) -10.452 -10.126 -9.785
{\rm stellar\ age} 4.837 6.317 7.526

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.786 -0.481 -0.238
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.460 -0.640 0.098

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.219 0.352 0.525
\delta -0.553 -0.241 0.088
\tau_1/\tau_2 0.661 0.958 1.232
Q_{PAH} 1.259 2.405 4.111
U_{min} 2.574 7.060 13.998
{\rm log}_{10}(\gamma_e)\, -2.873 -1.836 -1.152

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.036 -2.264 -1.409
{\rm log}_{10}(\tau_{AGN})\, 1.055 1.509 1.887

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr 0.056 0.361 0.576
0.03-0.10 Gyr 0.048 0.409 0.743
0.10-0.33 Gyr 0.052 0.470 0.829
0.33-1.08 Gyr 0.157 0.544 0.811
1.08-3.53 Gyr 0.375 0.653 0.859
3.53-11.59 Gyr 0.294 0.583 0.770
11.59-12.87 Gyr -0.047 0.526 0.978
 

Aperture Photometry


Aperture details

RA, DEC (J2000):22h22m00.47s, 3d39m07.53s
semi major axis, semi minor axis (arcsec):1.57, 1.57
angle (degrees, anti-clockwise from east):0.0
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_u 19.62 1.75 20.668 0.097 AB
SDSS_g 73.04 2.26 19.241 0.034 AB
DES_g 81.93 0.45 19.116 0.006 AB
PanSTARRS_g 76.84 0.4 19.186 0.006 AB
SDSS_r 125.17 3.0 18.656 0.026 AB
PanSTARRS_r 129.2 0.47 18.622 0.004 AB
DES_r 155.26 0.81 18.422 0.006 AB
SDSS_i 187.48 3.74 18.218 0.022 AB
PanSTARRS_i 184.03 0.38 18.238 0.002 AB
PanSTARRS_z 218.48 1.27 18.051 0.006 AB
SDSS_z 234.57 6.06 17.974 0.028 AB
DES_z 258.6 3.05 17.868 0.013 AB
PanSTARRS_y 258.01 2.86 17.871 0.012 AB

Aperture details

RA, DEC (J2000):22h22m00.51s, 3d39m09.90s
semi major axis, semi minor axis (arcsec):10.82, 7.3
angle (degrees, anti-clockwise from east):232.39
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_NUV 50.53 2.75 19.641 0.059 AB
SDSS_u 190.46 8.61 18.200 0.049 AB
SDSS_g 686.63 7.27 16.808 0.011 AB
PanSTARRS_g 732.34 2.15 16.738 0.003 AB
PanSTARRS_r 1228.78 2.45 16.176 0.002 AB
PanSTARRS_i 1747.11 1.99 15.794 0.001 AB
PanSTARRS_z 2044.25 6.97 15.624 0.004 AB
SDSS_z 2187.2 28.78 15.550 0.014 AB
DES_z 2175.79 9.04 15.556 0.005 AB
PanSTARRS_y 2480.51 15.89 15.414 0.007 AB
2MASS_H 3476.58 423.8 13.680 0.132 Vega
2MASS_K 3604.89 397.62 13.170 0.120 Vega
WISE_W1 1778.87 29.33 13.076 0.018 Vega
WISE_W3 5400.48 138.81 9.395 0.028 Vega