2025usy

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Information

Transient

Name: AT2025usy
Right ascension: 17h55m12.51s
Declination: 56d02m01.89s
Discovery Date: Aug. 20, 2025, 9 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.047

Host

Name:
Right ascension: 17h55m13.00s
Declination: 56d02m03.01s
Redshift: None
Photometric Redshift: 0.090
 

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 6.36
Cutout download processed 27.28
Global aperture construction processed 0.67
Local aperture photometry processed 5.06
Global aperture photometry processed 4.45
Validate local photometry processed 0.02
Validate global photometry processed 13.28
Host information processed 0.15
Global host SED inference processed 790.78
Local host SED inference processed 435.98
Transient information processed 0.0
Transient MWEBV processed 0.09
Host MWEBV processed 0.05
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) = 17h55m12.51s, 56d02m01.89s
semi major axis, semi minor axis (arcsec) = 1.19, 1.19
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_i 16.82 0.35 20.836 0.022 AB
PanSTARRS_z 18.92 1.01 20.708 0.058 AB
PanSTARRS_y 18.98 1.8 20.704 0.103 AB

Aperture details

RA, DEC (J2000) = 17h55m13.00s, 56d02m03.38s
semi major axis, semi minor axis (arcsec) = 12.8, 10.42
angle (degrees, anti-clockwise from east) = -38.8

Warning: possible contaminating objects in the global aperture
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_u 218.98 10.34 18.049 0.051 AB
SDSS_g 694.43 7.92 16.796 0.012 AB
PanSTARRS_g 699.73 2.74 16.788 0.004 AB
SDSS_r 1048.95 10.38 16.348 0.011 AB
PanSTARRS_r 1103.31 3.36 16.293 0.003 AB
SDSS_i 1400.78 13.92 16.034 0.011 AB
PanSTARRS_i 1371.01 3.37 16.057 0.003 AB
PanSTARRS_z 1489.7 9.77 15.967 0.007 AB
SDSS_z 1472.69 35.48 15.980 0.026 AB
PanSTARRS_y 1505.69 17.41 15.956 0.013 AB
2MASS_J 2042.07 257.77 14.730 0.137 Vega
2MASS_H 2507.86 401.34 14.034 0.174 Vega
2MASS_K 1581.75 455.72 14.064 0.313 Vega
WISE_W1 726.02 19.02 14.049 0.028 Vega
WISE_W2 416.77 23.43 14.011 0.061 Vega
WISE_W3 985.45 87.4 11.242 0.096 Vega
WISE_W4 329.02 329.38 10.987 1.087 Vega
 

Imaging data

 

Spectral Energy Distribution

 
 
Warning: possible contaminating objects in the global aperture
 
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.392 8.749 8.944
{\rm log}_{10}({\rm SFR}) -1.672 -1.085 -0.376
{\rm log}_{10}({\rm sSFR}) -10.514 -9.867 -8.953
{\rm stellar\ age} 1.045 5.678 7.795

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.443 -0.705 -0.107
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.375 -0.730 -0.160

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.343 0.708 1.270
\delta -0.471 -0.052 0.238
\tau_1/\tau_2 0.570 0.950 1.339
Q_{PAH} 1.095 3.010 5.290
U_{min} 3.205 8.345 15.327
{\rm log}_{10}(\gamma_e)\, -2.844 -1.713 -0.606

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.371 -0.468 0.061
{\rm log}_{10}(\tau_{AGN})\, 1.098 1.540 1.972

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.577 -1.014 -0.435
0.03-0.10 Gyr -2.155 -1.280 -0.390
0.10-0.33 Gyr -2.381 -1.351 -0.500
0.33-1.06 Gyr -2.479 -1.280 -0.539
1.06-3.47 Gyr -3.062 -1.440 -0.981
3.47-11.32 Gyr -3.078 -1.324 -0.927
11.32-12.57 Gyr -3.013 -1.386 -0.594

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.513 10.660 10.742
{\rm log}_{10}({\rm SFR}) -1.348 -0.452 0.197
{\rm log}_{10}({\rm sSFR}) -11.927 -11.068 -10.373
{\rm stellar\ age} 4.834 7.040 8.587

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.900 -1.740 -1.479
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.694 -0.720 0.255

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.038 0.109 0.199
\delta -0.765 -0.238 0.191
\tau_1/\tau_2 0.546 1.019 1.508
Q_{PAH} 1.119 2.988 5.433
U_{min} 3.285 9.390 17.157
{\rm log}_{10}(\gamma_e)\, -2.962 -1.764 -0.665

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.325 -3.209 -2.170
{\rm log}_{10}(\tau_{AGN})\, 1.092 1.623 1.996

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.542 -0.381 0.024
0.03-0.10 Gyr -3.398 -0.709 0.289
0.10-0.33 Gyr -3.338 -0.440 0.637
0.33-1.06 Gyr -3.171 -0.643 0.525
1.06-3.47 Gyr -0.733 0.640 1.147
3.47-11.32 Gyr -0.505 0.755 1.006
11.32-12.57 Gyr -1.623 0.550 1.492