2025xga results

Information

Transient
Name:AT2025xga
Right ascension: 8h41m51.24s
Declination:16d15m56.25s
Discovery Date:Sept. 6, 2025, 12:29 p.m.
Classification:None
Redshift:None
MW E(B-V):0.022
Host
Name:1504716
Right ascension: 8h41m51.36s
Declination:16d15m55.94s
Redshift:None
Photometric Redshift:0.077
 

Cutout Download Report

Downloaded Unavailable
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_z
 DES_i
DES_Y
 

Processing Status: completed

Task Name Status Time (s)
Cutout download processed 18.56
Transient MWEBV processed 0.04
Host match processed 5.0
Host information processed 0.12
Host MWEBV processed 0.05
Global aperture construction processed 0.72
Global aperture photometry processed 6.5
Validate global photometry processed 17.8
Global host SED inference processed 580.67
Local aperture photometry processed 6.9
Validate local photometry processed 0.03
Local host SED inference processed 472.55
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):8h41m51.24s, 16d15m56.25s
semi major axis, semi minor axis (arcsec):1.38, 1.38
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 53.91 0.39 19.571 0.008 AB
PanSTARRS_g 53.19 0.45 19.585 0.009 AB
SDSS_r 109.04 2.82 18.806 0.028 AB
PanSTARRS_r 105.85 0.44 18.838 0.005 AB
DES_r 127.62 0.96 18.635 0.008 AB
SDSS_i 163.3 3.52 18.368 0.023 AB
PanSTARRS_i 159.19 0.51 18.395 0.003 AB
PanSTARRS_z 209.89 1.1 18.095 0.006 AB
SDSS_z 203.8 5.54 18.127 0.030 AB
DES_z 225.98 3.81 18.015 0.018 AB
PanSTARRS_y 237.97 2.64 17.959 0.012 AB

Aperture details

RA, DEC (J2000):8h41m51.23s, 16d15m55.98s
semi major axis, semi minor axis (arcsec):12.31, 5.38
angle (degrees, anti-clockwise from east):-146.8
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 18.79 4.33 20.715 0.250 AB
GALEX_NUV 42.3 4.28 19.834 0.110 AB
SDSS_u 140.32 9.3 18.532 0.072 AB
SDSS_g 284.81 5.11 17.764 0.019 AB
DES_g 250.16 1.02 17.904 0.004 AB
PanSTARRS_g 317.48 2.51 17.646 0.009 AB
SDSS_r 469.95 7.41 17.220 0.017 AB
PanSTARRS_r 502.9 2.42 17.146 0.005 AB
DES_r 470.66 2.22 17.218 0.005 AB
SDSS_i 666.72 9.8 16.840 0.016 AB
PanSTARRS_i 704.37 2.72 16.780 0.004 AB
PanSTARRS_z 806.66 6.25 16.633 0.008 AB
SDSS_z 766.52 25.68 16.689 0.036 AB
DES_z 772.95 7.68 16.680 0.011 AB
PanSTARRS_y 919.54 15.33 16.491 0.018 AB
2MASS_J 847.75 213.78 15.684 0.274 Vega
2MASS_H 1483.38 338.79 14.604 0.248 Vega
2MASS_K 964.73 308.02 14.601 0.347 Vega
WISE_W1 592.42 56.06 14.269 0.103 Vega
WISE_W2 316.81 35.86 14.309 0.123 Vega
WISE_W3 818.89 167.96 11.443 0.223 Vega
WISE_W4 2668.8 918.04 8.714 0.373 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.717 9.829 9.975
{\rm log}_{10}({\rm SFR}) -1.815 -1.058 -0.356
{\rm log}_{10}({\rm sSFR}) -11.671 -10.906 -10.177
{\rm stellar\ age} 6.133 7.554 10.103

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.467 -0.809 -0.429
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.738 -0.775 0.221

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.392 0.762 1.196
\delta -0.663 -0.301 0.112
\tau_1/\tau_2 0.694 1.027 1.387
Q_{PAH} 0.710 2.700 5.827
U_{min} 2.884 8.030 15.086
{\rm log}_{10}(\gamma_e)\, -3.189 -2.022 -0.629

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.949 -1.051 -0.324
{\rm log}_{10}(\tau_{AGN})\, 1.071 1.430 1.954

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.011 -1.210 -0.648
0.03-0.10 Gyr -2.085 -1.097 -0.269
0.10-0.33 Gyr -2.120 -1.036 -0.261
0.33-1.07 Gyr -2.038 -0.866 -0.175
1.07-3.51 Gyr -1.731 -0.440 -0.013
3.51-11.47 Gyr -0.587 -0.065 0.129
11.47-12.75 Gyr -0.517 0.128 0.868

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.249 10.321 10.424
{\rm log}_{10}({\rm SFR}) 0.432 0.715 1.125
{\rm log}_{10}({\rm sSFR}) -9.918 -9.598 -9.239
{\rm stellar\ age} 7.379 9.124 11.746

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.779 -0.476 -0.319
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, 0.011 0.249 0.402

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.191 0.287 0.476
\delta -0.873 -0.620 -0.320
\tau_1/\tau_2 0.398 0.854 1.349
Q_{PAH} 0.486 1.200 2.380
U_{min} 3.175 8.972 16.926
{\rm log}_{10}(\gamma_e)\, -3.251 -1.912 -1.179

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.510 -3.733 -2.803
{\rm log}_{10}(\tau_{AGN})\, 1.094 1.610 1.954

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.641 -0.086 0.226
0.03-0.10 Gyr 0.564 0.859 1.270
0.10-0.33 Gyr -3.334 -1.948 -0.445
0.33-1.07 Gyr -5.933 -2.773 -0.792
1.07-3.51 Gyr -3.676 -1.471 -0.352
3.51-11.47 Gyr -0.948 0.346 0.554
11.47-12.75 Gyr -0.047 1.079 1.538