2026gtu results

Information

Transient
Name:AT2026gtu
Right ascension: 11h40m17.49s
Declination:53d23m11.99s
Discovery Date:March 8, 2026, 3:10 p.m.
Classification:None
Redshift:None
MW E(B-V):0.008
Host
Name:J114017.42+532311.47
Object ID:9907738394362528
Catalog Name:decals
Catalog Release:dr9
Right ascension: 11h40m17.42s
Declination:53d23m11.47s
Redshift:None
Photometric Redshift:0.050
 

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 16.15
Transient MWEBV processed 0.04
Host match processed 6.01
Host information processed 0.11
Host MWEBV processed 0.04
Global aperture construction processed 0.64
Global aperture photometry processed 5.04
Validate global photometry processed 15.72
Global host SED inference processed 512.84
Local aperture photometry processed 4.85
Validate local photometry processed 0.02
Local host SED inference processed 505.68
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):11h40m17.49s, 53d23m11.99s
semi major axis, semi minor axis (arcsec):2.04, 2.04
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 12.33 1.55 21.172 0.136 AB
SDSS_g 21.55 1.4 20.567 0.071 AB
PanSTARRS_g 19.08 0.43 20.699 0.024 AB
SDSS_r 24.86 1.6 20.411 0.070 AB
PanSTARRS_r 27.05 0.53 20.319 0.021 AB
SDSS_i 29.59 2.0 20.222 0.073 AB
PanSTARRS_i 31.51 0.63 20.154 0.022 AB
PanSTARRS_z 32.97 1.13 20.105 0.037 AB
SDSS_z 44.73 5.88 19.774 0.143 AB
PanSTARRS_y 32.27 3.34 20.128 0.112 AB

Aperture details

RA, DEC (J2000):11h40m17.40s, 53d23m11.87s
semi major axis, semi minor axis (arcsec):4.24, 3.62
angle (degrees, anti-clockwise from east):-123.32
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 8.68 2.25 21.554 0.281 AB
GALEX_NUV 14.23 1.27 21.017 0.097 AB
SDSS_u 30.37 2.9 20.194 0.104 AB
SDSS_g 44.55 2.26 19.778 0.055 AB
PanSTARRS_g 39.39 0.82 19.912 0.023 AB
SDSS_r 48.74 2.59 19.680 0.058 AB
PanSTARRS_r 54.97 1.0 19.550 0.020 AB
SDSS_i 56.63 3.39 19.517 0.065 AB
PanSTARRS_i 62.92 1.19 19.403 0.021 AB
PanSTARRS_z 59.97 2.12 19.455 0.038 AB
SDSS_z 111.62 11.18 18.781 0.109 AB
PanSTARRS_y 75.13 6.29 19.210 0.091 AB
2MASS_J 90.36 104.17 18.115 1.252 Vega
2MASS_H -175.13 175.63 Vega
2MASS_K 80.13 156.2 17.303 2.116 Vega
WISE_W1 23.15 5.53 17.790 0.259 Vega
WISE_W2 11.78 7.31 17.883 0.674 Vega
WISE_W3 81.72 48.01 13.945 0.638 Vega
WISE_W4 35.87 285.02 13.393 8.627 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.084 8.327 8.492
{\rm log}_{10}({\rm SFR}) -1.869 -1.098 -0.374
{\rm log}_{10}({\rm sSFR}) -10.223 -9.436 -8.513
{\rm stellar\ age} 1.159 5.703 7.558

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.679 -1.165 -0.536
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.772 -1.036 0.144

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.138 0.513 1.098
\delta -0.471 -0.070 0.261
\tau_1/\tau_2 0.664 1.094 1.501
Q_{PAH} 1.267 2.897 5.009
U_{min} 3.424 8.954 16.503
{\rm log}_{10}(\gamma_e)\, -2.908 -1.799 -0.797

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.519 -0.615 0.024
{\rm log}_{10}(\tau_{AGN})\, 1.147 1.505 1.897

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -3.097 -2.038 -1.269
0.03-0.10 Gyr -1.819 -1.003 -0.222
0.10-0.33 Gyr -2.490 -1.249 -0.645
0.33-1.09 Gyr -3.915 -1.732 -1.237
1.09-3.57 Gyr -3.802 -1.769 -1.374
3.57-11.78 Gyr -4.070 -1.796 -1.409
11.78-13.08 Gyr -3.941 -1.794 -1.106

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.094 8.437 8.670
{\rm log}_{10}({\rm SFR}) -0.783 -0.439 -0.112
{\rm log}_{10}({\rm sSFR}) -9.323 -8.891 -8.276
{\rm stellar\ age} 2.128 5.670 7.489

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.479 -0.548 -0.057
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, 0.118 0.315 0.429

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.129 0.288 0.660
\delta -0.658 -0.226 0.026
\tau_1/\tau_2 0.692 1.142 1.559
Q_{PAH} 0.414 1.346 2.938
U_{min} 3.118 8.819 16.712
{\rm log}_{10}(\gamma_e)\, -2.893 -1.798 -0.838

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.817 -1.946 -0.997
{\rm log}_{10}(\tau_{AGN})\, 1.197 1.586 1.909

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.816 -1.101 -0.808
0.03-0.10 Gyr -0.685 -0.312 0.032
0.10-0.33 Gyr -2.851 -1.219 -0.705
0.33-1.09 Gyr -3.747 -1.793 -1.271
1.09-3.57 Gyr -3.544 -1.758 -1.349
3.57-11.78 Gyr -2.961 -1.675 -1.287
11.78-13.08 Gyr -2.864 -1.612 -0.939