2025xsj results

Information

Transient
Name:AT2025xsj
Right ascension: 13h51m40.56s
Declination:29d20m07.60s
Discovery Date:Sept. 7, 2025, 3 a.m.
Classification:None
Redshift:None
MW E(B-V):0.014
Host
Name:49209
Right ascension: 13h51m42.78s
Declination:29d19m54.88s
Redshift:0.034940
Photometric Redshift:None
 

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_r
SDSS_u
SDSS_z
DES_g
DES_r
DES_z
 SDSS_i
SDSS_g
DES_i
DES_Y
 

Processing Status: completed

Task Name Status Time (s)
Cutout download processed 13.2
Transient MWEBV processed 0.08
Host match processed 4.02
Host information processed 0.11
Host MWEBV processed 0.04
Global aperture construction processed 0.62
Global aperture photometry processed 5.76
Validate global photometry processed 16.01
Global host SED inference processed 493.11
Local aperture photometry processed 6.08
Validate local photometry processed 0.02
Local host SED inference processed 462.33
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):13h51m40.56s, 29d20m07.60s
semi major axis, semi minor axis (arcsec):2.88, 2.88
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 0.39 2.27 24.920 6.319 AB
DES_g 1.83 0.33 23.247 0.195 AB
PanSTARRS_g 1.16 0.8 23.742 0.750 AB
SDSS_r 0.77 1.37 24.190 1.941 AB
PanSTARRS_r 5.08 0.69 22.135 0.147 AB
DES_r 3.7 0.35 22.480 0.103 AB
PanSTARRS_i 5.68 1.12 22.015 0.215 AB
PanSTARRS_z 3.43 1.69 22.562 0.535 AB
SDSS_z 11.34 8.87 21.264 0.850 AB
DES_z 7.03 0.79 21.783 0.122 AB
PanSTARRS_y 4.18 4.54 22.347 1.179 AB
2MASS_H 36.29 96.59 18.633 2.890 Vega

Aperture details

RA, DEC (J2000):13h51m42.75s, 29d19m55.38s
semi major axis, semi minor axis (arcsec):17.13, 13.11
angle (degrees, anti-clockwise from east):-46.3
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 8.66 3.12 21.556 0.391 AB
GALEX_NUV 26.25 1.1 20.352 0.045 AB
SDSS_u 504.53 12.97 17.143 0.028 AB
DES_g 3302.84 8.42 15.103 0.003 AB
PanSTARRS_g 3427.12 4.24 15.063 0.001 AB
SDSS_r 7180.83 22.85 14.260 0.003 AB
PanSTARRS_r 7392.48 4.06 14.228 0.001 AB
DES_r 7870.44 6.44 14.160 0.001 AB
PanSTARRS_i 10730.4 6.19 13.823 0.001 AB
PanSTARRS_z 13240.47 9.29 13.595 0.001 AB
SDSS_z 14418.23 54.93 13.503 0.004 AB
DES_z 14547.13 17.88 13.493 0.001 AB
PanSTARRS_y 16615.33 24.72 13.349 0.002 AB
2MASS_J 21628.66 318.0 12.168 0.016 Vega
2MASS_H 26938.61 513.28 11.456 0.021 Vega
2MASS_K 22231.02 523.33 11.195 0.026 Vega
WISE_W1 10237.78 53.99 11.175 0.006 Vega
WISE_W2 5686.71 53.39 11.174 0.010 Vega
WISE_W3 2618.25 107.44 10.181 0.045 Vega
WISE_W4 3190.94 688.85 8.520 0.234 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 7.397 7.737 7.944
{\rm log}_{10}({\rm SFR}) -2.264 -1.750 -1.329
{\rm log}_{10}({\rm sSFR}) -10.045 -9.486 -8.771
{\rm stellar\ age} 3.643 6.748 8.345

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.608 -1.013 -0.305
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.602 -0.930 0.013

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 1.258 1.788 2.294
\delta -0.026 0.189 0.322
\tau_1/\tau_2 0.632 0.962 1.310
Q_{PAH} 0.822 2.515 4.907
U_{min} 2.827 7.904 15.216
{\rm log}_{10}(\gamma_e)\, -2.976 -1.919 -0.783

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.856 -0.697 0.070
{\rm log}_{10}(\tau_{AGN})\, 0.996 1.502 1.919

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.180 -1.557 -1.126
0.03-0.10 Gyr -2.945 -2.067 -1.428
0.10-0.33 Gyr -3.500 -2.443 -1.821
0.33-1.09 Gyr -3.913 -2.562 -2.038
1.09-3.62 Gyr -3.664 -2.421 -2.030
3.62-11.96 Gyr -3.288 -2.286 -1.952
11.96-13.29 Gyr -3.438 -2.310 -1.615

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.871 10.939 11.005
{\rm log}_{10}({\rm SFR}) -1.453 -0.863 -0.447
{\rm log}_{10}({\rm sSFR}) -12.404 -11.795 -11.349
{\rm stellar\ age} 7.345 8.155 10.539

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.557 -0.424 -0.327
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.549 -0.529 0.212

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.335 0.413 0.510
\delta -0.957 -0.864 -0.686
\tau_1/\tau_2 0.350 0.687 1.025
Q_{PAH} 0.159 0.437 0.884
U_{min} 2.688 7.162 13.773
{\rm log}_{10}(\gamma_e)\, -3.562 -3.041 -2.474

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.608 -4.000 -3.207
{\rm log}_{10}(\tau_{AGN})\, 1.033 1.562 1.922

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.248 -0.626 -0.233
0.03-0.10 Gyr -2.117 -1.142 -0.565
0.10-0.33 Gyr -2.163 -1.009 -0.348
0.33-1.09 Gyr -1.808 -0.660 0.105
1.09-3.62 Gyr -1.021 0.405 0.926
3.62-11.96 Gyr 0.728 1.090 1.209
11.96-13.29 Gyr 0.620 1.220 1.915