2025zgh results

Information

Transient
Name:AT2025zgh
Right ascension: 22h16m34.50s
Declination:-3d37m01.50s
Discovery Date:Sept. 30, 2025, 9:36 p.m.
Classification:None
Redshift:None
MW E(B-V):0.077
Host
Name:
Right ascension: 22h16m34.70s
Declination:-3d36m58.92s
Redshift:None
Photometric Redshift:0.063
 

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

Processing Status: completed

Task Name Status Time (s)
Cutout download processed 18.05
Transient MWEBV processed 0.04
Host match processed 4.52
Host information processed 0.11
Host MWEBV processed 0.06
Global aperture construction processed 0.64
Global aperture photometry processed 6.55
Validate global photometry processed 16.56
Global host SED inference processed 605.3
Local aperture photometry processed 6.43
Validate local photometry processed 0.02
Local host SED inference processed 431.69
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):22h16m34.50s, -3d37m01.50s
semi major axis, semi minor axis (arcsec):1.64, 1.64
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 13.53 1.71 21.072 0.137 AB
SDSS_g 27.72 1.45 20.293 0.057 AB
DES_g 29.62 0.3 20.221 0.011 AB
PanSTARRS_g 27.22 0.4 20.313 0.016 AB
SDSS_r 43.81 1.88 19.796 0.047 AB
PanSTARRS_r 42.96 0.39 19.817 0.010 AB
DES_r 50.49 0.71 19.642 0.015 AB
SDSS_i 59.31 2.42 19.467 0.044 AB
PanSTARRS_i 58.05 0.56 19.491 0.010 AB
PanSTARRS_z 63.47 1.38 19.394 0.024 AB
SDSS_z 71.6 5.23 19.263 0.079 AB
DES_z 70.47 1.78 19.280 0.027 AB
PanSTARRS_y 83.67 3.72 19.094 0.048 AB

Aperture details

RA, DEC (J2000):22h16m34.68s, -3d36m58.66s
semi major axis, semi minor axis (arcsec):9.79, 8.8
angle (degrees, anti-clockwise from east):-137.16
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_u 197.3 9.06 18.162 0.050 AB
SDSS_g 418.54 6.03 17.346 0.016 AB
DES_g 458.4 1.23 17.247 0.003 AB
PanSTARRS_g 444.82 2.24 17.280 0.005 AB
SDSS_r 741.16 8.37 16.725 0.012 AB
PanSTARRS_r 718.03 2.14 16.760 0.003 AB
DES_r 797.79 3.02 16.645 0.004 AB
SDSS_i 963.21 11.23 16.441 0.013 AB
PanSTARRS_i 979.0 3.13 16.423 0.003 AB
PanSTARRS_z 1123.76 7.79 16.273 0.008 AB
SDSS_z 1284.06 28.61 16.129 0.024 AB
DES_z 1176.91 7.5 16.223 0.007 AB
PanSTARRS_y 1511.12 21.01 15.952 0.015 AB
2MASS_J 2197.74 201.77 14.650 0.100 Vega
2MASS_H 1557.18 313.28 14.552 0.218 Vega
2MASS_K 1534.49 351.19 14.097 0.248 Vega
WISE_W1 743.98 23.41 14.022 0.034 Vega
WISE_W2 432.03 26.06 13.972 0.065 Vega
WISE_W3 1588.38 134.48 10.724 0.092 Vega
WISE_W4 734.71 683.11 10.115 1.009 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.625 8.835 8.950
{\rm log}_{10}({\rm SFR}) -1.246 -0.760 -0.168
{\rm log}_{10}({\rm sSFR}) -10.158 -9.587 -8.887
{\rm stellar\ age} 1.484 4.696 6.456

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.278 -0.351 -0.016
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.090 0.223 0.389

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.189 0.492 1.027
\delta -0.719 -0.247 0.069
\tau_1/\tau_2 0.747 1.101 1.437
Q_{PAH} 0.914 2.863 5.408
U_{min} 2.977 8.489 15.332
{\rm log}_{10}(\gamma_e)\, -3.017 -1.754 -0.507

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.325 -1.259 -0.257
{\rm log}_{10}(\tau_{AGN})\, 0.951 1.439 1.909

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.232 -0.960 -0.606
0.03-0.10 Gyr -1.354 -0.701 -0.033
0.10-0.33 Gyr -1.143 -0.602 -0.080
0.33-1.08 Gyr -1.629 -0.839 -0.480
1.08-3.54 Gyr -2.132 -1.092 -0.794
3.54-11.62 Gyr -2.682 -1.330 -1.011
11.62-12.91 Gyr -2.747 -1.390 -0.828

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.077 10.198 10.276
{\rm log}_{10}({\rm SFR}) -0.202 0.501 0.996
{\rm log}_{10}({\rm sSFR}) -10.422 -9.719 -9.089
{\rm stellar\ age} 5.871 7.046 8.584

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.779 -0.526 -0.351
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, 0.140 0.298 0.419

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.078 0.192 0.378
\delta -0.922 -0.706 -0.289
\tau_1/\tau_2 0.589 0.988 1.431
Q_{PAH} 0.332 1.324 4.203
U_{min} 2.374 7.554 14.763
{\rm log}_{10}(\gamma_e)\, -3.061 -1.859 -0.881

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.465 -3.619 -2.590
{\rm log}_{10}(\tau_{AGN})\, 1.204 1.682 1.997

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.976 -0.423 -0.171
0.03-0.10 Gyr -0.120 0.646 1.154
0.10-0.33 Gyr -1.339 0.029 0.390
0.33-1.08 Gyr -1.920 -0.076 0.244
1.08-3.54 Gyr -0.850 0.100 0.382
3.54-11.62 Gyr -0.227 0.288 0.435
11.62-12.91 Gyr -0.314 0.352 0.937