2025agyj results

Information

Transient
Name:AT2025agyj
Right ascension: 21h36m17.47s
Declination:-8d30m09.80s
Discovery Date:Dec. 11, 2025, 2:01 a.m.
Classification:None
Redshift:None
MW E(B-V):0.030
Host
Name:189113
Right ascension: 21h36m16.82s
Declination:-8d30m39.63s
Redshift:0.052397
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_i
SDSS_r
SDSS_u
SDSS_z
SDSS_g
DES_r
 DES_g
DES_i
DES_z
DES_Y
 

Processing Status: completed

Task Name Status Time (s)
Cutout download processed 19.14
Transient MWEBV processed 0.08
Host match processed 4.42
Host information processed 0.2
Host MWEBV processed 0.04
Global aperture construction processed 0.67
Global aperture photometry processed 6.4
Validate global photometry processed 16.61
Global host SED inference processed 615.31
Local aperture photometry processed 5.98
Validate local photometry processed 0.03
Local host SED inference processed 537.13
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):21h36m17.47s, -8d30m09.80s
semi major axis, semi minor axis (arcsec):1.96, 1.96
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 60.42 2.66 19.447 0.048 AB
SDSS_g 142.26 3.2 18.517 0.024 AB
PanSTARRS_g 133.72 0.43 18.584 0.004 AB
SDSS_r 206.3 3.87 18.114 0.020 AB
PanSTARRS_r 190.35 0.57 18.201 0.003 AB
DES_r 233.82 1.32 17.978 0.006 AB
SDSS_i 283.45 4.75 17.769 0.018 AB
PanSTARRS_i 247.24 0.53 17.917 0.002 AB
PanSTARRS_z 261.43 1.46 17.857 0.006 AB
SDSS_z 307.06 7.78 17.682 0.028 AB
PanSTARRS_y 281.61 3.07 17.776 0.012 AB

Aperture details

RA, DEC (J2000):21h36m16.81s, -8d30m39.34s
semi major axis, semi minor axis (arcsec):12.34, 8.38
angle (degrees, anti-clockwise from east):-173.63
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 13.54 2.96 21.071 0.238 AB
GALEX_NUV 11.22 2.57 21.275 0.248 AB
SDSS_u 185.41 10.03 18.230 0.059 AB
SDSS_g 1089.34 9.61 16.307 0.010 AB
PanSTARRS_g 1205.43 2.08 16.197 0.002 AB
SDSS_r 2612.29 14.33 15.357 0.006 AB
PanSTARRS_r 2661.19 2.75 15.337 0.001 AB
DES_r 2862.26 4.69 15.258 0.002 AB
SDSS_i 3990.33 19.06 14.897 0.005 AB
PanSTARRS_i 3986.16 2.68 14.899 0.001 AB
PanSTARRS_z 5175.65 7.56 14.615 0.002 AB
SDSS_z 5285.17 37.85 14.592 0.008 AB
PanSTARRS_y 6138.71 15.56 14.430 0.003 AB
2MASS_J 7733.95 301.75 13.284 0.042 Vega
2MASS_H 10374.98 463.68 12.492 0.049 Vega
2MASS_K 8987.46 489.41 12.178 0.059 Vega
WISE_W1 4081.17 44.7 12.174 0.012 Vega
WISE_W2 2334.87 45.63 12.140 0.021 Vega
WISE_W3 1237.3 134.43 10.995 0.118 Vega
WISE_W4 239.93 694.08 11.330 3.141 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.296 9.410 9.523
{\rm log}_{10}({\rm SFR}) -0.843 -0.407 0.039
{\rm log}_{10}({\rm sSFR}) -10.297 -9.833 -9.362
{\rm stellar\ age} 5.940 7.283 8.927

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.725 -1.224 -0.760
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.928 -0.012 0.351

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.115 0.320 0.635
\delta -0.695 -0.221 0.146
\tau_1/\tau_2 0.744 1.097 1.448
Q_{PAH} 0.576 1.901 3.909
U_{min} 2.713 7.699 14.598
{\rm log}_{10}(\gamma_e)\, -3.234 -2.017 -0.728

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.359 -1.377 -0.643
{\rm log}_{10}(\tau_{AGN})\, 1.016 1.429 1.920

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.856 -0.590 -0.302
0.03-0.10 Gyr -0.877 -0.349 0.145
0.10-0.33 Gyr -1.306 -0.679 -0.267
0.33-1.08 Gyr -1.545 -0.907 -0.548
1.08-3.57 Gyr -1.458 -0.741 -0.454
3.57-11.75 Gyr -0.841 -0.501 -0.321
11.75-13.06 Gyr -0.979 -0.395 0.214

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 11.007 11.046 11.076
{\rm log}_{10}({\rm SFR}) -1.763 -1.221 -0.763
{\rm log}_{10}({\rm sSFR}) -12.813 -12.282 -11.775
{\rm stellar\ age} 11.944 12.385 12.402

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.609 -0.463 -0.342
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.495 -0.696 0.035

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.180 0.267 0.382
\delta -0.707 -0.454 -0.221
\tau_1/\tau_2 0.454 0.911 1.418
Q_{PAH} 0.339 0.996 2.533
U_{min} 3.315 9.010 17.120
{\rm log}_{10}(\gamma_e)\, -2.650 -1.509 -0.733

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.557 -3.775 -2.770
{\rm log}_{10}(\tau_{AGN})\, 1.004 1.514 1.930

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.620 -1.038 -0.601
0.03-0.10 Gyr -4.214 -1.757 -0.840
0.10-0.33 Gyr -6.245 -3.252 -1.318
0.33-1.08 Gyr -7.136 -3.448 -1.438
1.08-3.57 Gyr -4.948 -2.610 -1.118
3.57-11.75 Gyr -2.283 -1.225 0.332
11.75-13.06 Gyr 2.120 2.179 2.214