2025gyh results

Information

Transient
Name:AT2025gyh
Right ascension: 21h38m59.22s
Declination:32d41m01.92s
Discovery Date:April 7, 2025, 10:51 a.m.
Classification:None
Redshift:None
MW E(B-V):0.127
Host
Name:2025gyh
Right ascension: 21h38m59.35s
Declination:32d41m03.07s
Redshift:None
Photometric Redshift:0.089
 

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: completed

Task Name Status Time (s)
Cutout download processed 4.05
Transient MWEBV processed 0.06
Host match processed 3.67
Host information processed 0.08
Host MWEBV processed 0.07
Global aperture construction processed 0.67
Global aperture photometry processed 4.25
Validate global photometry processed 12.24
Global host SED inference processed 393.84
Local aperture photometry processed 4.26
Validate local photometry processed 0.02
Local host SED inference processed 443.51
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):21h38m59.22s, 32d41m01.92s
semi major axis, semi minor axis (arcsec):1.2, 1.2
angle (degrees, anti-clockwise from east):0.0
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_r 27.43 0.33 20.304 0.013 AB
PanSTARRS_i 37.74 0.46 19.958 0.013 AB
PanSTARRS_z 42.78 0.91 19.822 0.023 AB
PanSTARRS_y 54.85 3.78 19.552 0.075 AB

Aperture details

RA, DEC (J2000):21h38m59.35s, 32d41m03.35s
semi major axis, semi minor axis (arcsec):6.18, 4.44
angle (degrees, anti-clockwise from east):-169.83
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_g 157.6 1.1 18.406 0.008 AB
PanSTARRS_r 236.27 1.4 17.966 0.006 AB
PanSTARRS_i 320.22 1.95 17.636 0.007 AB
PanSTARRS_z 351.09 3.89 17.536 0.012 AB
2MASS_J 330.15 135.28 16.708 0.445 Vega
2MASS_H 421.01 253.03 15.972 0.652 Vega
2MASS_K 225.94 196.23 16.177 0.943 Vega
WISE_W2 181.14 17.21 14.916 0.103 Vega
WISE_W4 261.05 325.07 11.238 1.352 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.803 9.093 9.247
{\rm log}_{10}({\rm SFR}) -1.607 -0.740 0.070
{\rm log}_{10}({\rm sSFR}) -10.715 -9.830 -8.910
{\rm stellar\ age} 1.053 5.582 7.515

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.506 -0.893 -0.266
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.404 -0.632 0.124

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.246 0.589 0.979
\delta -0.602 -0.229 0.095
\tau_1/\tau_2 0.667 1.063 1.456
Q_{PAH} 0.884 2.685 5.304
U_{min} 3.055 8.344 15.878
{\rm log}_{10}(\gamma_e)\, -2.946 -1.583 -0.555

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.447 -0.840 -0.044
{\rm log}_{10}(\tau_{AGN})\, 0.973 1.610 1.992

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.821 -1.114 -0.624
0.03-0.10 Gyr -1.893 -0.706 0.217
0.10-0.33 Gyr -1.919 -0.756 -0.005
0.33-1.06 Gyr -2.374 -0.918 -0.356
1.06-3.47 Gyr -3.116 -1.017 -0.605
3.47-11.33 Gyr -3.079 -0.959 -0.617
11.33-12.59 Gyr -2.960 -0.998 -0.314

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.672 9.821 9.950
{\rm log}_{10}({\rm SFR}) -0.633 -0.059 0.439
{\rm log}_{10}({\rm sSFR}) -10.491 -9.858 -9.337
{\rm stellar\ age} 1.470 4.071 6.090

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.260 -0.704 -0.304
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.454 -0.454 0.164

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.158 0.309 0.473
\delta -0.766 -0.339 0.109
\tau_1/\tau_2 0.706 1.097 1.447
Q_{PAH} 1.295 2.779 4.648
U_{min} 2.332 7.046 14.056
{\rm log}_{10}(\gamma_e)\, -3.184 -1.791 -0.847

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.948 -2.463 -1.513
{\rm log}_{10}(\tau_{AGN})\, 0.998 1.424 1.876

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.546 -0.236 -0.001
0.03-0.10 Gyr -0.929 -0.013 0.566
0.10-0.33 Gyr -0.435 0.410 0.788
0.33-1.06 Gyr -0.073 0.414 0.780
1.06-3.47 Gyr -0.776 -0.048 0.266
3.47-11.33 Gyr -1.744 -0.396 -0.001
11.33-12.59 Gyr -1.987 -0.491 0.147