2026fat results

Information

Transient
Name:AT2026fat
Right ascension: 8h20m12.86s
Declination:21d39m45.97s
Discovery Date:March 7, 2026, 4:35 a.m.
Classification:None
Redshift:None
MW E(B-V):
Host
Name:J082012.86+213944.47
Right ascension: 8h20m12.86s
Declination:21d39m44.47s
Redshift:None
Photometric Redshift:0.105
 

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 17.57
Transient MWEBV processed 0.03
Host match processed 5.25
Host information processed 0.08
Host MWEBV processed 0.03
Global aperture construction processed 0.62
Global aperture photometry processed 6.73
Validate global photometry processed 19.56
Global host SED inference processed 655.67
Local aperture photometry processed 6.81
Validate local photometry processed 0.03
Local host SED inference processed 751.1
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):8h20m12.86s, 21d39m45.97s
semi major axis, semi minor axis (arcsec):1.04, 1.04
angle (degrees, anti-clockwise from east):0.0
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_z 180.73 2.59 18.257 0.016 AB
PanSTARRS_y 213.35 1.89 18.077 0.010 AB

Aperture details

RA, DEC (J2000):8h20m12.80s, 21d39m44.56s
semi major axis, semi minor axis (arcsec):7.0, 4.84
angle (degrees, anti-clockwise from east):-121.79
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 2.32 1.8 22.988 0.843 AB
GALEX_NUV 7.54 3.2 21.707 0.460 AB
SDSS_u 78.88 5.24 19.158 0.072 AB
SDSS_g 333.38 4.98 17.593 0.016 AB
DES_g 368.93 1.14 17.483 0.003 AB
PanSTARRS_g 378.29 1.76 17.455 0.005 AB
SDSS_r 827.76 7.98 16.605 0.010 AB
PanSTARRS_r 834.1 1.67 16.597 0.002 AB
DES_r 933.5 3.43 16.475 0.004 AB
SDSS_i 1242.19 10.25 16.165 0.009 AB
PanSTARRS_i 1234.75 1.81 16.171 0.002 AB
PanSTARRS_z 1663.69 4.24 15.847 0.003 AB
SDSS_z 1717.76 20.84 15.813 0.013 AB
DES_z 1793.08 8.32 15.766 0.005 AB
PanSTARRS_y 1991.04 10.33 15.652 0.006 AB
2MASS_J 2609.35 130.14 14.464 0.054 Vega
2MASS_H 2859.53 209.29 13.892 0.079 Vega
2MASS_K 3251.83 203.02 13.282 0.068 Vega
WISE_W1 1259.07 23.97 13.451 0.021 Vega
WISE_W2 745.81 27.04 13.379 0.039 Vega
WISE_W3 156.89 68.98 13.237 0.477 Vega
WISE_W4 43.0 440.64 13.196 11.125 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.416 9.809 10.104
{\rm log}_{10}({\rm SFR}) 0.015 0.498 0.930
{\rm log}_{10}({\rm sSFR}) -10.024 -9.339 -8.539
{\rm stellar\ age} 1.545 5.741 8.207

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.013 -0.266 0.086
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.829 -0.482 0.099

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.743 1.218 1.676
\delta -0.592 -0.303 0.040
\tau_1/\tau_2 0.451 0.906 1.467
Q_{PAH} 0.718 2.441 5.027
U_{min} 2.963 8.079 15.866
{\rm log}_{10}(\gamma_e)\, -3.454 -2.321 -0.798

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.110 -2.000 -0.237
{\rm log}_{10}(\tau_{AGN})\, 1.056 1.616 2.025

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr 0.198 0.643 1.109
0.03-0.10 Gyr -1.501 0.058 0.865
0.10-0.32 Gyr -2.035 -0.318 0.502
0.32-1.06 Gyr -2.482 -0.407 0.352
1.06-3.43 Gyr -2.676 -0.438 0.152
3.43-11.15 Gyr -2.423 -0.354 0.164
11.15-12.39 Gyr -2.254 -0.214 0.731

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 11.008 11.115 11.185
{\rm log}_{10}({\rm SFR}) -5.210 -1.832 0.212
{\rm log}_{10}({\rm sSFR}) -16.070 -12.884 -10.563
{\rm stellar\ age} 7.310 11.183 11.765

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.104 -0.792 -0.604
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.494 -0.678 0.125

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.242 0.376 0.598
\delta -0.836 -0.453 -0.194
\tau_1/\tau_2 0.477 0.956 1.443
Q_{PAH} 0.414 1.658 4.150
U_{min} 3.879 10.968 18.721
{\rm log}_{10}(\gamma_e)\, -2.696 -0.835 -0.200

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.437 -3.397 -2.272
{\rm log}_{10}(\tau_{AGN})\, 1.136 1.655 2.003

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -6.941 -3.267 -1.382
0.03-0.10 Gyr -5.656 -1.835 0.368
0.10-0.32 Gyr -6.110 -2.658 -0.632
0.32-1.06 Gyr -5.987 -3.198 -0.866
1.06-3.43 Gyr -4.032 -2.079 -0.151
3.43-11.15 Gyr -1.669 0.435 1.343
11.15-12.39 Gyr 0.506 2.236 2.344