2025usc

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Information

Transient

Name: AT2025usc
Right ascension: 2h38m31.71s
Declination: 7d18m45.70s
Discovery Date: Aug. 19, 2025, 11:17 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.085

Host

Name:
Right ascension: 2h38m31.77s
Declination: 7d18m45.29s
Redshift: None
Photometric Redshift: 0.068
 

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 6.68
Cutout download processed 36.38
Global aperture construction processed 0.65
Local aperture photometry processed 6.71
Global aperture photometry processed 5.84
Validate local photometry processed 0.02
Validate global photometry processed 14.98
Host information processed 0.15
Global host SED inference processed 508.03
Local host SED inference processed 471.96
Transient information processed 0.0
Transient MWEBV processed 0.12
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) = 2h38m31.71s, 7d18m45.70s
semi major axis, semi minor axis (arcsec) = 1.54, 1.54
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 28.49 1.92 20.263 0.073 AB
SDSS_g 63.36 2.11 19.396 0.036 AB
DES_g 64.25 0.26 19.380 0.004 AB
PanSTARRS_g 64.44 0.49 19.377 0.008 AB
SDSS_r 76.09 2.39 19.197 0.034 AB
PanSTARRS_r 82.23 0.75 19.112 0.010 AB
DES_r 81.76 0.54 19.119 0.007 AB
SDSS_i 104.5 2.91 18.852 0.030 AB
PanSTARRS_i 103.91 0.42 18.858 0.004 AB
PanSTARRS_z 105.96 0.98 18.837 0.010 AB
DES_z 97.57 1.35 18.927 0.015 AB
PanSTARRS_y 110.54 2.47 18.791 0.024 AB

Aperture details

RA, DEC (J2000) = 2h38m31.75s, 7d18m45.63s
semi major axis, semi minor axis (arcsec) = 5.08, 3.1
angle (degrees, anti-clockwise from east) = -37.84

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_u 62.04 4.16 19.418 0.073 AB
SDSS_g 117.56 3.05 18.724 0.028 AB
DES_g 115.85 0.38 18.740 0.004 AB
PanSTARRS_g 118.14 1.2 18.719 0.011 AB
SDSS_r 148.98 3.75 18.467 0.027 AB
PanSTARRS_r 152.25 1.86 18.444 0.013 AB
DES_r 151.94 0.78 18.446 0.006 AB
SDSS_i 205.26 4.84 18.119 0.026 AB
PanSTARRS_i 186.28 1.02 18.225 0.006 AB
PanSTARRS_z 192.98 2.43 18.186 0.014 AB
DES_z 183.06 1.97 18.244 0.012 AB
PanSTARRS_y 196.23 6.19 18.168 0.034 AB
2MASS_J 201.82 117.71 17.243 0.633 Vega
2MASS_H 234.0 170.67 16.609 0.792 Vega
2MASS_K 486.31 203.84 15.345 0.455 Vega
WISE_W1 86.91 8.2 16.353 0.102 Vega
WISE_W2 56.79 11.88 16.175 0.227 Vega
WISE_W3 131.19 72.1 13.431 0.597 Vega
WISE_W4 670.46 430.86 10.214 0.698 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})\, 8.817 9.031 9.177
{\rm log}_{10}({\rm SFR}) -1.070 -0.410 0.175
{\rm log}_{10}({\rm sSFR}) -10.105 -9.439 -8.772
{\rm stellar\ age} 0.514 3.784 6.243

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.821 -1.475 -0.922
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.648 -1.173 -0.290

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.134 0.422 0.830
\delta -0.581 -0.120 0.256
\tau_1/\tau_2 0.680 1.064 1.450
Q_{PAH} 0.861 2.722 5.437
U_{min} 2.980 8.616 15.934
{\rm log}_{10}(\gamma_e)\, -3.250 -2.023 -0.860

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.529 -1.320 -0.229
{\rm log}_{10}(\tau_{AGN})\, 0.956 1.438 1.888

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.192 -0.898 -0.603
0.03-0.10 Gyr -1.172 -0.309 0.321
0.10-0.33 Gyr -0.724 -0.099 0.388
0.33-1.08 Gyr -1.949 -0.646 -0.274
1.08-3.53 Gyr -3.144 -1.042 -0.609
3.53-11.57 Gyr -3.643 -1.293 -0.793
11.57-12.85 Gyr -3.795 -1.329 -0.621

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.058 9.302 9.446
{\rm log}_{10}({\rm SFR}) -0.350 0.226 0.571
{\rm log}_{10}({\rm sSFR}) -9.701 -9.092 -8.607
{\rm stellar\ age} 2.897 5.602 7.324

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.739 -1.389 -0.979
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.432 0.165 0.413

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.127 0.231 0.390
\delta -0.842 -0.540 -0.068
\tau_1/\tau_2 0.643 1.075 1.525
Q_{PAH} 0.549 1.545 3.789
U_{min} 3.107 8.816 15.926
{\rm log}_{10}(\gamma_e)\, -3.103 -1.942 -0.904

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.990 -2.633 -1.832
{\rm log}_{10}(\tau_{AGN})\, 0.988 1.426 1.886

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.169 -0.799 -0.564
0.03-0.10 Gyr -0.242 0.376 0.727
0.10-0.33 Gyr -1.296 -0.125 0.251
0.33-1.08 Gyr -2.346 -0.755 -0.300
1.08-3.53 Gyr -1.851 -0.770 -0.407
3.53-11.57 Gyr -1.715 -0.761 -0.474
11.57-12.85 Gyr -1.850 -0.728 -0.090