2025usg

Download data

Information

Transient

Name: AT2025usg
Right ascension: 23h45m29.38s
Declination: 7d54m18.29s
Discovery Date: Aug. 19, 2025, 10:46 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.179

Host

Name:
Right ascension: 23h45m29.45s
Declination: 7d54m19.16s
Redshift: 0.078168
Photometric Redshift: 0.052
 

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 6.25
Cutout download processed 21.57
Global aperture construction processed 0.62
Local aperture photometry processed 4.72
Global aperture photometry processed 4.21
Validate local photometry processed 0.02
Validate global photometry processed 9.45
Host information processed 0.14
Global host SED inference processed 409.32
Local host SED inference processed 452.89
Transient information processed 0.0
Transient MWEBV processed 0.05
Host MWEBV processed 0.11
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) = 23h45m29.38s, 7d54m18.29s
semi major axis, semi minor axis (arcsec) = 1.35, 1.35
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 94.79 0.4 18.958 0.005 AB
PanSTARRS_r 173.65 0.38 18.301 0.002 AB
DES_r 205.74 0.79 18.117 0.004 AB
PanSTARRS_i 302.08 0.59 17.700 0.002 AB
PanSTARRS_z 331.48 1.0 17.599 0.003 AB
DES_z 327.83 3.35 17.611 0.011 AB
PanSTARRS_y 438.85 2.34 17.294 0.006 AB

Aperture details

RA, DEC (J2000) = 23h45m29.44s, 7d54m19.23s
semi major axis, semi minor axis (arcsec) = 7.48, 5.63
angle (degrees, anti-clockwise from east) = -30.75

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_g 461.13 1.65 17.240 0.004 AB
PanSTARRS_r 826.7 1.52 16.607 0.002 AB
DES_r 959.74 1.79 16.445 0.002 AB
PanSTARRS_i 1345.03 2.42 16.078 0.002 AB
PanSTARRS_z 1489.36 4.48 15.967 0.003 AB
DES_z 1614.9 7.53 15.880 0.005 AB
PanSTARRS_y 1929.71 10.92 15.686 0.006 AB
WISE_W1 1751.33 25.65 13.093 0.016 Vega
WISE_W2 1241.91 30.14 12.826 0.026 Vega
WISE_W3 7211.18 123.18 9.081 0.019 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})\, 9.756 9.954 10.110
{\rm log}_{10}({\rm SFR}) -0.389 0.211 0.641
{\rm log}_{10}({\rm sSFR}) -10.364 -9.733 -9.192
{\rm stellar\ age} 3.163 6.160 8.042

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.444 -0.905 -0.420
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.074 0.149 0.334

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.324 0.772 1.109
\delta -0.671 -0.273 0.118
\tau_1/\tau_2 0.633 0.997 1.362
Q_{PAH} 0.381 1.644 3.301
U_{min} 2.630 7.420 14.207
{\rm log}_{10}(\gamma_e)\, -3.372 -2.390 -1.121

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.989 -2.034 -0.552
{\rm log}_{10}(\tau_{AGN})\, 1.025 1.472 1.933

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.101 0.278 0.518
0.03-0.10 Gyr -0.921 0.144 0.703
0.10-0.33 Gyr -0.990 -0.020 0.599
0.33-1.07 Gyr -0.871 -0.041 0.433
1.07-3.50 Gyr -0.753 -0.044 0.301
3.50-11.45 Gyr -0.799 -0.056 0.252
11.45-12.73 Gyr -0.893 0.024 0.654

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.416 10.522 10.606
{\rm log}_{10}({\rm SFR}) 0.351 0.723 1.059
{\rm log}_{10}({\rm sSFR}) -10.187 -9.804 -9.430
{\rm stellar\ age} 3.177 5.488 6.724

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.419 -0.137 0.005
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.246 0.207 0.359

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.291 0.430 0.611
\delta -0.630 -0.325 0.001
\tau_1/\tau_2 0.738 1.102 1.447
Q_{PAH} 1.087 2.016 3.341
U_{min} 1.978 6.125 12.828
{\rm log}_{10}(\gamma_e)\, -3.475 -2.623 -1.613

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.480 -2.174 -1.571
{\rm log}_{10}(\tau_{AGN})\, 1.041 1.488 1.878

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr 0.628 0.794 0.947
0.03-0.10 Gyr -0.019 0.673 1.131
0.10-0.33 Gyr 0.001 0.742 1.074
0.33-1.07 Gyr 0.411 0.794 1.104
1.07-3.50 Gyr 0.446 0.738 0.982
3.50-11.45 Gyr -0.067 0.496 0.710
11.45-12.73 Gyr -0.474 0.448 0.911