2025usl

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Information

Transient

Name: AT2025usl
Right ascension: 15h48m34.69s
Declination: 32d17m37.72s
Discovery Date: Aug. 20, 2025, 7:12 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.020

Host

Name: 1989984
Right ascension: 15h48m33.48s
Declination: 32d17m27.63s
Redshift: 0.050386
Photometric Redshift:
 

Processing Status

Cutout download
 Cutout download
processed
 status
Transient information
Transient information
processed
 status
Transient MWEBV
Transient MWEBV
processed
 status
Host match
 Host match
processed
 status
Host information
Host information
processed
 status
Local aperture photometry
 Local aperture photometry
processed
 status
Validate local photometry
 Validate local photometry
processed
 status
Local host SED inference
Local host SED inference
processed
 status
Host MWEBV
Host MWEBV
processed
 status
Global host SED inference
Global host SED inference
processed
 status
Validate global photometry
Validate global photometr...
processed
 status
Global aperture construction
 Global aperture construct...
processed
 status
Global aperture photometry
 Global aperture photometr...
processed
 status
Task Name Status Time taken (s) Warning Flag
Host match processed 3.9
Cutout download processed 47.21
Global aperture construction processed 0.23
Local aperture photometry processed 3.6
Global aperture photometry processed 3.06
Validate local photometry processed 0.02
Validate global photometry processed 4.52
Host information processed 0.15
Global host SED inference processed 413.0
Local host SED inference processed 465.21
Transient information processed 0.0
Transient MWEBV processed 0.06
Host MWEBV processed 0.04
Processing status completed N/A N/A
 

Cutout Download Report

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:
 

Aperture Photometry


Aperture details

RA, DEC (J2000) = 15h48m34.69s, 32d17m37.72s
semi major axis, semi minor axis (arcsec) = 2.03, 2.03
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 -1.33 1.65 AB
SDSS_g 2.39 0.8 22.952 0.363 AB
DES_g 5.81 0.17 21.989 0.032 AB
SDSS_r 6.57 1.16 21.856 0.191 AB
DES_r 10.31 0.38 21.367 0.040 AB
SDSS_i 7.14 1.95 21.766 0.297 AB
SDSS_z 20.06 6.15 20.644 0.333 AB
DES_z 10.67 0.83 21.330 0.084 AB

Aperture details

RA, DEC (J2000) = 15h48m33.51s, 32d17m28.08s
semi major axis, semi minor axis (arcsec) = 14.01, 11.28
angle (degrees, anti-clockwise from east) = 22.13

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_u 78.14 10.55 19.168 0.147 AB
SDSS_g 704.56 7.9 16.780 0.012 AB
DES_g 742.81 1.78 16.723 0.003 AB
SDSS_r 1604.94 11.82 15.886 0.008 AB
DES_r 1742.22 4.59 15.797 0.003 AB
SDSS_i 2383.68 16.73 15.457 0.008 AB
SDSS_z 3333.95 39.7 15.093 0.013 AB
DES_z 3102.47 9.36 15.171 0.003 AB
2MASS_J 4846.88 256.58 13.791 0.057 Vega
2MASS_H 6440.73 460.76 13.010 0.078 Vega
2MASS_K 5799.35 434.26 12.654 0.081 Vega
WISE_W1 2677.97 33.46 12.631 0.014 Vega
WISE_W2 1629.42 34.87 12.531 0.023 Vega
WISE_W3 2278.69 71.5 10.332 0.034 Vega
WISE_W4 1569.1 403.02 9.291 0.279 Vega
 

Imaging data

 

Spectral Energy Distribution

 
 
 
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 7.724 7.975 8.142
{\rm log}_{10}({\rm SFR}) -2.029 -1.523 -1.090
{\rm log}_{10}({\rm sSFR}) -10.055 -9.481 -8.884
{\rm stellar\ age} 3.929 6.470 7.822

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.714 -1.223 -0.588
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.718 0.038 0.348

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.373 0.771 1.195
\delta -0.306 -0.022 0.248
\tau_1/\tau_2 0.651 1.007 1.362
Q_{PAH} 0.603 1.852 4.431
U_{min} 2.691 7.469 14.727
{\rm log}_{10}(\gamma_e)\, -2.930 -1.891 -0.857

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.765 -0.468 0.114
{\rm log}_{10}(\tau_{AGN})\, 1.077 1.430 1.886

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.868 -1.343 -0.949
0.03-0.10 Gyr -2.426 -1.738 -1.141
0.10-0.33 Gyr -2.762 -2.061 -1.505
0.33-1.09 Gyr -2.865 -2.179 -1.716
1.09-3.57 Gyr -2.700 -2.059 -1.743
3.57-11.77 Gyr -2.619 -1.974 -1.707
11.77-13.08 Gyr -2.833 -2.039 -1.495

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.531 10.638 10.737
{\rm log}_{10}({\rm SFR}) -1.538 -0.646 -0.209
{\rm log}_{10}({\rm sSFR}) -12.264 -11.292 -10.853
{\rm stellar\ age} 6.684 7.989 11.165

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.674 -0.430 -0.249
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.814 -1.270 -0.047

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.338 0.524 0.719
\delta -0.663 -0.411 -0.167
\tau_1/\tau_2 0.377 0.734 1.144
Q_{PAH} 0.598 1.477 3.157
U_{min} 1.998 6.413 13.518
{\rm log}_{10}(\gamma_e)\, -3.484 -2.799 -1.868

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.906 -2.772 -2.023
{\rm log}_{10}(\tau_{AGN})\, 0.935 1.253 1.734

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.677 -0.613 -0.096
0.03-0.10 Gyr -2.193 -0.841 -0.219
0.10-0.33 Gyr -2.125 -0.709 -0.086
0.33-1.09 Gyr -1.536 -0.354 0.328
1.09-3.57 Gyr -0.911 0.272 0.742
3.57-11.77 Gyr 0.056 0.706 0.882
11.77-13.08 Gyr 0.285 0.980 1.751