2026hdy results

Information

Transient
Name:AT2026hdy
Right ascension: 13h15m50.95s
Declination:19d43m25.74s
Discovery Date:March 24, 2026, 9:28 a.m.
Classification:None
Redshift:None
MW E(B-V):0.018
Host
Name:
Right ascension: 13h15m51.02s
Declination:19d43m23.11s
Redshift:None
Photometric Redshift:0.051
 

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 17.94
Transient MWEBV processed 0.11
Host match processed 5.33
Host information processed 0.11
Host MWEBV processed 0.06
Global aperture construction processed 0.65
Global aperture photometry processed 4.97
Validate global photometry processed 16.12
Global host SED inference processed 483.76
Local aperture photometry processed 4.89
Validate local photometry processed 0.02
Local host SED inference processed 432.08
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):13h15m50.95s, 19d43m25.74s
semi major axis, semi minor axis (arcsec):2.0, 2.0
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 16.56 2.01 20.853 0.132 AB
SDSS_g 27.05 1.45 20.320 0.058 AB
PanSTARRS_g 31.83 0.48 20.143 0.017 AB
SDSS_r 35.42 1.79 20.027 0.055 AB
PanSTARRS_r 40.7 0.77 19.876 0.021 AB
SDSS_i 43.28 2.4 19.809 0.060 AB
PanSTARRS_i 53.18 0.69 19.586 0.014 AB
PanSTARRS_z 54.0 1.21 19.569 0.024 AB
SDSS_z 51.24 8.06 19.626 0.171 AB
PanSTARRS_y 56.75 2.65 19.515 0.051 AB

Aperture details

RA, DEC (J2000):13h15m51.02s, 19d43m23.37s
semi major axis, semi minor axis (arcsec):8.57, 4.61
angle (degrees, anti-clockwise from east):-27.31
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 44.44 6.69 19.781 0.163 AB
GALEX_NUV 34.35 3.67 20.060 0.116 AB
SDSS_u 78.98 6.01 19.156 0.083 AB
SDSS_g 128.2 3.43 18.630 0.029 AB
PanSTARRS_g 127.28 1.5 18.638 0.013 AB
SDSS_r 184.54 4.59 18.235 0.027 AB
PanSTARRS_r 168.78 2.4 18.332 0.015 AB
SDSS_i 205.43 6.62 18.118 0.035 AB
PanSTARRS_i 222.21 2.14 18.033 0.010 AB
PanSTARRS_z 221.22 3.76 18.038 0.018 AB
SDSS_z 266.12 25.17 17.837 0.103 AB
PanSTARRS_y 263.79 8.21 17.847 0.034 AB
2MASS_J 350.65 153.07 16.643 0.474 Vega
2MASS_H 19.05 257.58 19.333 14.682 Vega
2MASS_K 249.32 234.95 16.070 1.023 Vega
WISE_W1 143.47 11.06 15.809 0.084 Vega
WISE_W2 68.38 14.25 15.974 0.226 Vega
WISE_W3 227.05 74.97 12.836 0.359 Vega
WISE_W4 -147.58 482.25 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.337 8.583 8.733
{\rm log}_{10}({\rm SFR}) -1.392 -0.828 -0.159
{\rm log}_{10}({\rm sSFR}) -10.066 -9.428 -8.383
{\rm stellar\ age} 0.673 5.539 7.511

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.729 -1.175 -0.571
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.710 -1.071 -0.070

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.227 0.619 1.163
\delta -0.520 -0.067 0.185
\tau_1/\tau_2 0.734 1.122 1.502
Q_{PAH} 0.798 2.384 4.915
U_{min} 3.218 8.791 16.373
{\rm log}_{10}(\gamma_e)\, -3.232 -2.159 -0.969

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.334 -1.257 -0.219
{\rm log}_{10}(\tau_{AGN})\, 1.022 1.448 1.941

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.613 -1.169 -0.809
0.03-0.10 Gyr -1.463 -0.760 -0.016
0.10-0.33 Gyr -1.917 -1.101 -0.480
0.33-1.08 Gyr -2.908 -1.403 -0.933
1.08-3.57 Gyr -3.725 -1.504 -1.142
3.57-11.76 Gyr -4.023 -1.513 -1.165
11.76-13.07 Gyr -4.012 -1.543 -0.893

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.145 9.256 9.420
{\rm log}_{10}({\rm SFR}) -0.338 -0.129 0.109
{\rm log}_{10}({\rm sSFR}) -9.644 -9.393 -9.148
{\rm stellar\ age} 6.397 7.499 10.427

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.324 -0.758 -0.443
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, 0.031 0.312 0.438

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.071 0.181 0.368
\delta -0.270 0.093 0.303
\tau_1/\tau_2 0.449 0.854 1.278
Q_{PAH} 0.617 1.729 3.539
U_{min} 2.656 7.787 15.853
{\rm log}_{10}(\gamma_e)\, -2.777 -1.758 -0.732

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.072 -2.934 -1.992
{\rm log}_{10}(\tau_{AGN})\, 1.019 1.515 1.919

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.898 -1.175 -0.896
0.03-0.10 Gyr -0.198 0.023 0.270
0.10-0.33 Gyr -2.781 -1.010 -0.480
0.33-1.08 Gyr -3.317 -1.236 -0.810
1.08-3.57 Gyr -2.526 -1.058 -0.691
3.57-11.76 Gyr -1.192 -0.683 -0.479
11.76-13.07 Gyr -1.121 -0.469 0.356