2026ygz results

Information

Transient
Name:AT2026ygz
Right ascension: 2h31m33.24s
Declination:-11d01m01.86s
Discovery Date:July 28, 2026, 5:53 p.m.
Classification:None
Redshift:None
MW E(B-V):0.026
Host
Name:J023133.16-110102.25
Object ID:9906617297600870
Catalog Name:decals
Catalog Release:dr9
Right ascension: 2h31m33.16s
Declination:-11d01m02.25s
Redshift:None
Photometric Redshift:0.040
 
 

Processing Status: completed

Task Name Status Time (s)
Cutout download processed 8.65
Transient MWEBV processed 0.07
Host match processed 6.97
Host information processed 0.14
Host MWEBV processed 0.09
Host spectrum download not processed None
Global aperture construction processed 0.65
Global aperture photometry processed 5.8
Validate global photometry processed 15.31
Global host SED inference processed 390.43
Local aperture photometry processed 5.41
Validate local photometry processed 0.03
Local host SED inference processed 526.38
 

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 9.623 9.776
{\rm log}_{10}({\rm SFR}) -0.544 0.030 0.497
{\rm log}_{10}({\rm sSFR}) -10.243 -9.622 -8.994
{\rm stellar\ age} 3.755 6.513 8.235

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.216 -0.477 -0.173
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.769 -0.563 0.213

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.402 0.794 1.257
\delta -0.745 -0.352 0.060
\tau_1/\tau_2 0.539 0.915 1.352
Q_{PAH} 0.560 2.091 3.953
U_{min} 2.643 7.683 14.724
{\rm log}_{10}(\gamma_e)\, -3.373 -2.067 -1.102

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.441 -3.174 -0.878
{\rm log}_{10}(\tau_{AGN})\, 0.928 1.464 1.954

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.265 0.068 0.399
0.03-0.10 Gyr -1.000 -0.042 0.550
0.10-0.33 Gyr -1.321 -0.369 0.211
0.33-1.09 Gyr -1.301 -0.475 -0.051
1.09-3.60 Gyr -1.190 -0.410 -0.064
3.60-11.89 Gyr -1.092 -0.383 -0.108
11.89-13.22 Gyr -1.236 -0.344 0.265

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.930 9.995 10.083
{\rm log}_{10}({\rm SFR}) -0.394 -0.200 -0.022
{\rm log}_{10}({\rm sSFR}) -10.409 -10.217 -10.024
{\rm stellar\ age} 6.653 7.478 8.601

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.923 -0.614 -0.348
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, 0.027 0.144 0.304

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.327 0.500 0.701
\delta -0.106 0.107 0.248
\tau_1/\tau_2 0.637 0.941 1.259
Q_{PAH} 0.395 1.129 2.466
U_{min} 3.151 7.846 14.411
{\rm log}_{10}(\gamma_e)\, -2.581 -1.888 -1.289

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.401 -3.511 -2.469
{\rm log}_{10}(\tau_{AGN})\, 1.051 1.560 1.951

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.233 -0.076 0.070
0.03-0.10 Gyr -0.586 -0.266 -0.015
0.10-0.33 Gyr -0.707 -0.351 -0.067
0.33-1.09 Gyr -0.671 -0.309 -0.078
1.09-3.60 Gyr -0.459 -0.099 0.124
3.60-11.89 Gyr -0.025 0.131 0.252
11.89-13.22 Gyr -0.224 0.212 0.645
 

Aperture Photometry


Aperture details

RA, DEC (J2000):2h31m33.24s, -11d01m01.86s
semi major axis, semi minor axis (arcsec):2.51, 2.51
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 301.29 0.53 17.703 0.002 AB
PanSTARRS_g 269.29 0.79 17.824 0.003 AB
PanSTARRS_r 476.67 1.12 17.204 0.003 AB
DES_r 566.48 1.0 17.017 0.002 AB
PanSTARRS_i 614.18 1.07 16.929 0.002 AB
DES_i 718.39 1.62 16.759 0.002 AB
PanSTARRS_z 732.85 2.12 16.737 0.003 AB
DES_z 859.54 3.84 16.564 0.005 AB
PanSTARRS_y 903.06 4.85 16.511 0.006 AB

Aperture details

RA, DEC (J2000):2h31m33.13s, -11d01m02.05s
semi major axis, semi minor axis (arcsec):8.3, 4.83
angle (degrees, anti-clockwise from east):229.49
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 48.69 4.96 19.681 0.111 AB
GALEX_NUV 62.96 1.24 19.402 0.021 AB
DES_g 543.99 0.76 17.061 0.002 AB
PanSTARRS_g 542.3 1.87 17.064 0.004 AB
PanSTARRS_r 944.43 2.63 16.462 0.003 AB
DES_r 973.99 1.5 16.429 0.002 AB
PanSTARRS_i 1149.95 2.55 16.248 0.002 AB
DES_i 1184.67 2.28 16.216 0.002 AB
PanSTARRS_z 1399.12 5.2 16.035 0.004 AB
DES_z 1447.26 5.1 15.999 0.004 AB
PanSTARRS_y 1793.76 12.08 15.766 0.007 AB
2MASS_J 2139.15 123.11 14.679 0.062 Vega
2MASS_H 2501.64 197.18 14.037 0.086 Vega
2MASS_K 2301.32 243.79 13.657 0.115 Vega
WISE_W1 1107.79 24.72 13.590 0.024 Vega
WISE_W2 699.1 30.66 13.450 0.048 Vega
WISE_W3 4131.17 80.66 9.686 0.021 Vega
WISE_W4 4524.56 591.91 8.141 0.142 Vega