2025uyd results

Information

Transient
Name:AT2025uyd
Right ascension: 3h40m02.39s
Declination:-17d04m31.92s
Discovery Date:Aug. 17, 2025, 6:06 p.m.
Classification:None
Redshift:None
MW E(B-V):0.092
Host
Name:
Right ascension: 3h40m02.51s
Declination:-17d04m30.98s
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
PanSTARRS_g
PanSTARRS_r
PanSTARRS_i
PanSTARRS_z
PanSTARRS_y
DES_g
DES_r
DES_z
GALEX_NUV
GALEX_FUV
SDSS_i
SDSS_r
SDSS_u
SDSS_z
SDSS_g
DES_i
DES_Y
 

Processing Status: completed

Task Name Status Time (s)
Cutout download processed 30.12
Transient MWEBV processed 0.11
Host match processed 7.65
Host information processed 0.14
Host MWEBV processed 0.04
Global aperture construction processed 2.67
Global aperture photometry processed 5.3
Validate global photometry processed 12.77
Global host SED inference processed 445.46
Local aperture photometry processed 5.76
Validate local photometry processed 0.02
Local host SED inference processed 588.62
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):3h40m02.39s, -17d04m31.92s
semi major axis, semi minor axis (arcsec):1.21, 1.21
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 2.3 0.08 22.995 0.040 AB
PanSTARRS_r 3.33 0.38 22.593 0.125 AB
DES_r 3.16 0.1 22.650 0.035 AB
PanSTARRS_i 4.06 0.5 22.379 0.133 AB
PanSTARRS_z 3.89 1.04 22.426 0.291 AB
DES_z 3.95 0.37 22.410 0.102 AB
PanSTARRS_y -4.14 2.49 AB

Aperture details

RA, DEC (J2000):3h40m02.51s, -17d04m31.02s
semi major axis, semi minor axis (arcsec):3.61, 2.34
angle (degrees, anti-clockwise from east):-60.75
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_g 17.08 0.21 20.819 0.014 AB
PanSTARRS_g 15.88 0.71 20.898 0.048 AB
PanSTARRS_r 24.2 0.91 20.441 0.041 AB
DES_r 25.39 0.26 20.388 0.011 AB
PanSTARRS_i 30.83 1.16 20.178 0.041 AB
PanSTARRS_z 34.03 2.41 20.070 0.077 AB
DES_z 30.88 0.95 20.176 0.033 AB
PanSTARRS_y 10.21 5.73 21.377 0.610 AB
2MASS_J 12.84 73.24 20.233 6.191 Vega
2MASS_H 79.8 114.37 17.777 1.556 Vega
2MASS_K 0.41 151.87 23.042 406.525 Vega
WISE_W1 24.48 5.54 17.729 0.246 Vega
WISE_W2 17.74 7.53 17.439 0.461 Vega
WISE_W3 47.55 52.22 14.533 1.192 Vega
WISE_W4 357.6 404.29 10.897 1.227 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 7.704 7.953 8.140
{\rm log}_{10}({\rm SFR}) -1.731 -1.312 -0.595
{\rm log}_{10}({\rm sSFR}) -9.761 -9.242 -8.269
{\rm stellar\ age} 0.327 3.378 6.028

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.719 -1.215 -0.536
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.442 -0.900 -0.246

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.463 0.816 1.373
\delta -0.147 0.102 0.283
\tau_1/\tau_2 0.725 1.129 1.530
Q_{PAH} 1.478 3.524 5.679
U_{min} 2.908 8.029 16.007
{\rm log}_{10}(\gamma_e)\, -2.894 -1.914 -0.858

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -0.606 0.145 0.382
{\rm log}_{10}(\tau_{AGN})\, 0.994 1.320 1.860

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.704 -1.337 -0.885
0.03-0.10 Gyr -1.925 -1.354 -0.504
0.10-0.33 Gyr -1.988 -1.357 -0.791
0.33-1.06 Gyr -3.268 -1.694 -1.290
1.06-3.47 Gyr -4.498 -2.160 -1.683
3.47-11.33 Gyr -5.119 -2.421 -1.854
11.33-12.59 Gyr -5.169 -2.495 -1.712

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.592 8.806 8.967
{\rm log}_{10}({\rm SFR}) -1.471 -0.791 -0.254
{\rm log}_{10}({\rm sSFR}) -10.313 -9.593 -8.972
{\rm stellar\ age} 1.419 4.904 6.798

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.683 -1.187 -0.474
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.657 -0.526 0.219

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.133 0.336 0.606
\delta -0.699 -0.215 0.194
\tau_1/\tau_2 0.758 1.155 1.539
Q_{PAH} 1.513 3.290 5.214
U_{min} 3.296 8.845 16.154
{\rm log}_{10}(\gamma_e)\, -2.677 -1.511 -0.546

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.248 -1.177 -0.477
{\rm log}_{10}(\tau_{AGN})\, 1.138 1.560 1.946

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.032 -1.162 -0.779
0.03-0.10 Gyr -1.582 -0.716 -0.130
0.10-0.33 Gyr -1.332 -0.612 -0.139
0.33-1.06 Gyr -1.650 -0.920 -0.482
1.06-3.47 Gyr -2.426 -1.164 -0.833
3.47-11.33 Gyr -2.756 -1.341 -0.933
11.33-12.59 Gyr -2.937 -1.337 -0.709