2025gsj results

Information

Transient
Name:AT2025gsj
Right ascension: 13h44m46.81s
Declination:-21d05m46.99s
Discovery Date:April 3, 2025, 3:50 p.m.
Classification:None
Redshift:None
MW E(B-V):0.093
Host
Name:2025gsj
Right ascension: 13h44m46.83s
Declination:-21d05m55.56s
Redshift:0.079416
Photometric Redshift:0.082
 

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_i
DES_z
DES_Y
 

Processing Status: completed

Task Name Status Time (s)
Cutout download processed 4.61
Transient MWEBV processed 0.15
Host match processed 2.07
Host information processed 0.09
Host MWEBV processed 0.05
Global aperture construction processed 0.7
Global aperture photometry processed 4.21
Validate global photometry processed 12.08
Global host SED inference processed 385.27
Local aperture photometry processed 4.02
Validate local photometry processed 0.02
Local host SED inference processed 406.12
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):13h44m46.81s, -21d05m46.99s
semi major axis, semi minor axis (arcsec):1.33, 1.33
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 6.48 0.31 21.870 0.051 AB
PanSTARRS_r 12.18 0.4 21.186 0.036 AB
PanSTARRS_i 17.83 0.53 20.772 0.032 AB
PanSTARRS_z 18.93 0.78 20.707 0.045 AB
PanSTARRS_y 17.35 1.82 20.802 0.114 AB

Aperture details

RA, DEC (J2000):13h44m46.82s, -21d05m55.19s
semi major axis, semi minor axis (arcsec):12.48, 8.72
angle (degrees, anti-clockwise from east):-4.73
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 20.3 4.94 20.631 0.264 AB
GALEX_NUV 29.54 3.33 20.224 0.122 AB
PanSTARRS_g 532.99 2.41 17.083 0.005 AB
PanSTARRS_r 1043.0 3.14 16.354 0.003 AB
PanSTARRS_i 1638.9 4.12 15.864 0.003 AB
PanSTARRS_z 2038.92 6.12 15.627 0.003 AB
PanSTARRS_y 2397.65 14.33 15.451 0.006 AB
2MASS_J 2809.09 287.62 14.384 0.111 Vega
2MASS_H 4546.05 427.76 13.388 0.102 Vega
2MASS_K 5013.39 427.67 12.812 0.093 Vega
WISE_W1 2254.02 30.85 12.819 0.015 Vega
WISE_W2 1507.21 37.46 12.616 0.027 Vega
WISE_W3 6376.78 141.49 9.214 0.024 Vega
WISE_W4 6232.58 762.86 7.793 0.133 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.653 8.794 8.914
{\rm log}_{10}({\rm SFR}) -1.748 -1.240 -0.767
{\rm log}_{10}({\rm sSFR}) -10.595 -10.036 -9.520
{\rm stellar\ age} 5.223 6.954 8.660

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.677 -1.212 -0.630
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.488 -0.791 0.008

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.361 0.682 1.065
\delta -0.342 -0.020 0.251
\tau_1/\tau_2 0.755 1.078 1.409
Q_{PAH} 0.801 2.373 4.666
U_{min} 2.919 7.768 14.511
{\rm log}_{10}(\gamma_e)\, -2.700 -1.669 -0.801

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -1.335 -0.348 0.121
{\rm log}_{10}(\tau_{AGN})\, 1.059 1.494 1.948

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.745 -1.191 -0.829
0.03-0.10 Gyr -1.978 -1.286 -0.734
0.10-0.33 Gyr -2.314 -1.518 -0.938
0.33-1.07 Gyr -2.456 -1.555 -0.968
1.07-3.50 Gyr -2.087 -1.270 -0.975
3.50-11.44 Gyr -1.523 -1.110 -0.920
11.44-12.71 Gyr -1.660 -1.041 -0.433

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.849 10.914 10.995
{\rm log}_{10}({\rm SFR}) 0.267 0.578 0.909
{\rm log}_{10}({\rm sSFR}) -10.668 -10.317 -9.976
{\rm stellar\ age} 7.220 7.997 10.639

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.739 -0.484 -0.245
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.677 -0.574 0.272

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.356 0.521 0.707
\delta -0.298 0.006 0.175
\tau_1/\tau_2 0.751 1.135 1.519
Q_{PAH} 1.449 2.678 4.424
U_{min} 2.332 6.984 14.268
{\rm log}_{10}(\gamma_e)\, -3.255 -2.335 -1.543

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.521 -1.816 -1.442
{\rm log}_{10}(\tau_{AGN})\, 1.062 1.451 1.823

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr 0.150 0.447 0.670
0.03-0.10 Gyr 0.158 0.627 1.010
0.10-0.33 Gyr -0.454 0.295 0.709
0.33-1.07 Gyr -0.764 0.134 0.529
1.07-3.50 Gyr -0.697 0.341 0.767
3.50-11.44 Gyr 0.651 1.056 1.173
11.44-12.71 Gyr 0.802 1.333 2.006