2025gyj results

Information

Transient
Name:AT2025gyj
Right ascension: 23h05m46.38s
Declination:38d38m52.23s
Discovery Date:April 7, 2025, 12:05 p.m.
Classification:None
Redshift:None
MW E(B-V):0.175
Host
Name:2025gyj
Right ascension: 23h05m46.92s
Declination:38d38m50.28s
Redshift:0.016928
Photometric Redshift:0.056
 

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
GALEX_NUV
GALEX_FUV
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 2.94
Transient MWEBV processed 0.11
Host match processed 0.88
Host information processed 0.09
Host MWEBV processed 0.04
Global aperture construction processed 0.68
Global aperture photometry processed 4.16
Validate global photometry processed 11.03
Global host SED inference processed 392.22
Local aperture photometry processed 4.16
Validate local photometry processed 0.02
Local host SED inference processed 452.06
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):23h05m46.38s, 38d38m52.23s
semi major axis, semi minor axis (arcsec):5.81, 5.81
angle (degrees, anti-clockwise from east):0.0
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_g 309.76 1.4 17.672 0.005 AB
PanSTARRS_r 584.25 1.79 16.983 0.003 AB
PanSTARRS_i 811.46 2.4 16.627 0.003 AB
PanSTARRS_z 1043.9 3.45 16.353 0.004 AB
PanSTARRS_y 1320.4 8.97 16.098 0.007 AB
2MASS_J 1710.28 148.83 14.922 0.094 Vega
2MASS_H 1935.34 205.68 14.316 0.115 Vega
2MASS_K 1703.86 260.81 13.984 0.166 Vega

Aperture details

RA, DEC (J2000):23h05m46.71s, 38d38m50.99s
semi major axis, semi minor axis (arcsec):39.64, 6.85
angle (degrees, anti-clockwise from east):-73.3
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_g 971.1 3.91 16.432 0.004 AB
PanSTARRS_r 1852.83 4.96 15.730 0.003 AB
PanSTARRS_i 2622.61 6.6 15.353 0.003 AB
PanSTARRS_z 3330.54 9.64 15.094 0.003 AB
PanSTARRS_y 4331.95 25.17 14.808 0.006 AB
2MASS_J 4881.66 435.42 13.784 0.097 Vega
2MASS_H 4396.73 600.72 13.425 0.148 Vega
2MASS_K 4902.07 764.8 12.836 0.169 Vega
WISE_W1 3269.44 56.2 12.415 0.019 Vega
WISE_W2 1959.04 54.28 12.331 0.030 Vega
WISE_W3 6226.64 195.21 9.240 0.034 Vega
WISE_W4 8903.36 1385.59 7.406 0.169 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.052 9.188 9.323
{\rm log}_{10}({\rm SFR}) -1.760 -1.077 -0.534
{\rm log}_{10}({\rm sSFR}) -10.999 -10.287 -9.685
{\rm stellar\ age} 5.379 7.482 9.513

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.959 -0.516 -0.187
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.375 -0.458 0.031

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.156 0.525 0.979
\delta -0.594 -0.114 0.232
\tau_1/\tau_2 0.488 0.864 1.251
Q_{PAH} 0.599 2.392 4.302
U_{min} 2.452 7.718 14.447
{\rm log}_{10}(\gamma_e)\, -3.455 -2.478 -1.288

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.314 -2.699 -0.843
{\rm log}_{10}(\tau_{AGN})\, 0.921 1.310 1.807

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.522 -0.981 -0.648
0.03-0.10 Gyr -2.274 -1.201 -0.474
0.10-0.33 Gyr -2.252 -1.261 -0.520
0.33-1.10 Gyr -2.005 -1.093 -0.595
1.10-3.67 Gyr -1.768 -0.909 -0.583
3.67-12.18 Gyr -1.248 -0.780 -0.552
12.18-13.53 Gyr -1.305 -0.651 0.016

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.499 9.638 9.740
{\rm log}_{10}({\rm SFR}) -1.198 -0.538 -0.209
{\rm log}_{10}({\rm sSFR}) -10.916 -10.188 -9.770
{\rm stellar\ age} 5.010 6.862 8.124

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.695 -0.389 -0.155
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.639 0.035 0.301

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.310 0.528 0.726
\delta -0.498 -0.152 0.130
\tau_1/\tau_2 0.519 0.872 1.200
Q_{PAH} 0.344 0.922 2.785
U_{min} 2.488 6.708 13.409
{\rm log}_{10}(\gamma_e)\, -3.616 -2.977 -2.084

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.003 -2.937 -2.190
{\rm log}_{10}(\tau_{AGN})\, 0.903 1.191 1.695

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.871 -0.501 -0.329
0.03-0.10 Gyr -1.688 -0.575 -0.144
0.10-0.33 Gyr -1.613 -0.546 -0.087
0.33-1.10 Gyr -1.143 -0.517 -0.159
1.10-3.67 Gyr -0.609 -0.272 -0.018
3.67-12.18 Gyr -0.680 -0.319 -0.104
12.18-13.53 Gyr -0.997 -0.346 0.134