2026gaa results

Information

Transient
Name:AT2026gaa
Right ascension: 10h20m04.97s
Declination:1d43m02.39s
Discovery Date:March 15, 2026, 1:07 p.m.
Classification:None
Redshift:None
MW E(B-V):0.046
Host
Name:3119638
Right ascension: 10h20m05.04s
Declination:1d42m53.46s
Redshift:None
Photometric Redshift:0.097
 

Cutout Download Report

Downloaded Unavailable
2MASS_H
2MASS_J
2MASS_K
WISE_W1
WISE_W2
WISE_W3
WISE_W4
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
GALEX_NUV
GALEX_FUV
DES_i
DES_Y
 

Processing Status: completed

Task Name Status Time (s)
Cutout download processed 16.72
Transient MWEBV processed 0.04
Host match processed 3.98
Host information processed 0.08
Host MWEBV processed 0.04
Global aperture construction processed 0.62
Global aperture photometry processed 6.07
Validate global photometry processed 18.23
Global host SED inference processed 663.24
Local aperture photometry processed 5.87
Validate local photometry processed 0.02
Local host SED inference processed 476.62
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):10h20m04.97s, 1d43m02.39s
semi major axis, semi minor axis (arcsec):1.11, 1.11
angle (degrees, anti-clockwise from east):0.0
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_r 13.96 0.29 21.038 0.022 AB
PanSTARRS_i 16.61 0.54 20.849 0.035 AB
PanSTARRS_z 22.28 0.68 20.530 0.033 AB
DES_z 24.14 1.01 20.443 0.045 AB
PanSTARRS_y 21.06 1.75 20.591 0.090 AB

Aperture details

RA, DEC (J2000):10h20m04.99s, 1d42m53.76s
semi major axis, semi minor axis (arcsec):6.22, 3.96
angle (degrees, anti-clockwise from east):-124.55
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_u 19.92 4.53 20.652 0.247 AB
SDSS_g 121.25 3.35 18.691 0.030 AB
DES_g 126.99 0.6 18.641 0.005 AB
PanSTARRS_g 142.05 1.37 18.519 0.011 AB
SDSS_r 274.9 5.07 17.802 0.020 AB
PanSTARRS_r 293.03 2.09 17.733 0.008 AB
DES_r 303.37 1.32 17.695 0.005 AB
SDSS_i 379.35 6.56 17.452 0.019 AB
PanSTARRS_i 405.8 2.45 17.379 0.007 AB
PanSTARRS_z 545.4 3.0 17.058 0.006 AB
SDSS_z 618.08 17.94 16.922 0.032 AB
DES_z 561.79 4.82 17.026 0.009 AB
PanSTARRS_y 627.98 7.68 16.905 0.013 AB
2MASS_J 500.79 163.7 16.256 0.355 Vega
2MASS_H 802.52 208.86 15.271 0.283 Vega
2MASS_K 1010.66 261.86 14.551 0.281 Vega
WISE_W1 344.54 15.43 14.858 0.049 Vega
WISE_W2 230.53 22.28 14.654 0.105 Vega
WISE_W3 77.68 92.38 14.000 1.291 Vega
WISE_W4 353.04 570.21 10.910 1.754 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.750 8.913 9.028
{\rm log}_{10}({\rm SFR}) -2.319 -1.462 -0.510
{\rm log}_{10}({\rm sSFR}) -11.227 -10.380 -9.451
{\rm stellar\ age} 2.093 5.971 7.584

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.206 -0.526 -0.061
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.494 -0.741 0.004

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.185 0.551 1.201
\delta -0.394 -0.032 0.255
\tau_1/\tau_2 0.644 1.031 1.430
Q_{PAH} 1.171 2.727 4.998
U_{min} 2.932 8.553 15.839
{\rm log}_{10}(\gamma_e)\, -2.943 -1.827 -0.826

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -0.856 -0.036 0.286
{\rm log}_{10}(\tau_{AGN})\, 1.225 1.550 1.936

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -3.246 -1.949 -1.235
0.03-0.10 Gyr -2.461 -1.424 -0.383
0.10-0.33 Gyr -2.223 -1.282 -0.485
0.33-1.06 Gyr -2.177 -1.062 -0.491
1.06-3.45 Gyr -2.538 -1.091 -0.788
3.45-11.24 Gyr -2.794 -1.077 -0.816
11.24-12.49 Gyr -2.573 -1.128 -0.484

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.357 10.434 10.555
{\rm log}_{10}({\rm SFR}) -3.816 -1.428 -0.366
{\rm log}_{10}({\rm sSFR}) -14.208 -11.796 -10.783
{\rm stellar\ age} 6.917 8.045 11.708

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.917 -0.686 -0.543
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.460 -0.697 -0.002

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.123 0.268 0.465
\delta -0.948 -0.819 -0.574
\tau_1/\tau_2 0.552 0.975 1.382
Q_{PAH} 1.007 2.773 5.009
U_{min} 3.176 9.287 17.247
{\rm log}_{10}(\gamma_e)\, -2.417 -1.190 -0.328

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.087 -1.745 -1.153
{\rm log}_{10}(\tau_{AGN})\, 1.323 1.701 1.969

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -5.078 -2.080 -0.949
0.03-0.10 Gyr -4.151 -1.408 -0.239
0.10-0.33 Gyr -3.667 -1.168 -0.080
0.33-1.06 Gyr -3.732 -1.193 -0.026
1.06-3.45 Gyr -2.801 -0.590 0.357
3.45-11.24 Gyr -1.027 0.506 0.717
11.24-12.49 Gyr -0.079 0.906 1.697