2026hdg results

Information

Transient
Name:AT2026hdg
Right ascension: 9h50m38.79s
Declination:12d38m39.44s
Discovery Date:March 23, 2026, 6:18 a.m.
Classification:None
Redshift:None
MW E(B-V):0.026
Host
Name:1413462
Right ascension: 9h50m38.60s
Declination:12d38m45.25s
Redshift:None
Photometric Redshift:0.035
 

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 16.36
Transient MWEBV processed 0.04
Host match processed 3.77
Host information processed 0.08
Host MWEBV processed 0.04
Global aperture construction processed 0.6
Global aperture photometry processed 4.82
Validate global photometry processed 15.37
Global host SED inference processed 377.58
Local aperture photometry processed 4.55
Validate local photometry processed 0.02
Local host SED inference processed 424.44
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):9h50m38.79s, 12d38m39.44s
semi major axis, semi minor axis (arcsec):2.84, 2.84
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 7.34 1.85 21.736 0.273 AB
SDSS_g 30.5 1.61 20.189 0.057 AB
PanSTARRS_g 28.07 0.7 20.279 0.027 AB
SDSS_r 41.92 2.05 19.844 0.053 AB
PanSTARRS_r 40.58 0.95 19.879 0.025 AB
SDSS_i 47.84 2.81 19.701 0.064 AB
PanSTARRS_i 50.11 1.07 19.650 0.023 AB
PanSTARRS_z 58.01 2.26 19.491 0.042 AB
SDSS_z 65.11 7.66 19.366 0.128 AB
PanSTARRS_y 73.1 4.65 19.240 0.069 AB
2MASS_H 161.49 109.64 17.012 0.737 Vega

Aperture details

RA, DEC (J2000):9h50m38.61s, 12d38m45.49s
semi major axis, semi minor axis (arcsec):14.97, 9.85
angle (degrees, anti-clockwise from east):-129.47
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 94.0 1.4 18.967 0.016 AB
GALEX_NUV 135.69 1.03 18.569 0.008 AB
SDSS_u 301.69 8.47 17.701 0.030 AB
SDSS_g 984.67 8.73 16.417 0.010 AB
PanSTARRS_g 992.15 3.01 16.409 0.003 AB
SDSS_r 1418.47 10.98 16.020 0.008 AB
PanSTARRS_r 1485.55 4.19 15.970 0.003 AB
SDSS_i 1807.74 14.39 15.757 0.009 AB
PanSTARRS_i 1795.09 4.59 15.765 0.003 AB
PanSTARRS_z 2053.39 9.64 15.619 0.005 AB
SDSS_z 2172.24 33.68 15.558 0.017 AB
PanSTARRS_y 2429.67 19.74 15.436 0.009 AB
2MASS_J 2384.24 280.89 14.562 0.128 Vega
2MASS_H 2901.77 478.66 13.876 0.179 Vega
2MASS_K 2273.9 465.0 13.670 0.222 Vega
WISE_W1 1286.74 27.16 13.427 0.023 Vega
WISE_W2 764.08 33.77 13.353 0.048 Vega
WISE_W3 2896.33 162.01 10.071 0.061 Vega
WISE_W4 2588.22 918.79 8.747 0.385 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 7.918 8.281 8.487
{\rm log}_{10}({\rm SFR}) -1.861 -1.146 -0.496
{\rm log}_{10}({\rm sSFR}) -10.245 -9.474 -8.460
{\rm stellar\ age} 0.602 5.428 7.525

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.396 -0.625 -0.040
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.341 -0.612 0.120

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.312 0.718 1.219
\delta -0.544 -0.111 0.232
\tau_1/\tau_2 0.660 1.062 1.442
Q_{PAH} 0.703 2.698 5.167
U_{min} 3.250 8.652 16.334
{\rm log}_{10}(\gamma_e)\, -2.803 -1.627 -0.688

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.497 -1.292 -0.409
{\rm log}_{10}(\tau_{AGN})\, 0.996 1.470 1.954

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.241 -1.544 -1.071
0.03-0.10 Gyr -2.028 -1.092 -0.354
0.10-0.33 Gyr -2.471 -1.414 -0.732
0.33-1.09 Gyr -3.413 -1.695 -1.149
1.09-3.62 Gyr -4.073 -1.768 -1.371
3.62-11.95 Gyr -4.506 -1.860 -1.420
11.95-13.28 Gyr -4.329 -1.849 -1.161

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.820 9.897 9.978
{\rm log}_{10}({\rm SFR}) -0.379 -0.164 0.054
{\rm log}_{10}({\rm sSFR}) -10.278 -10.054 -9.819
{\rm stellar\ age} 5.927 6.969 8.055

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.888 -0.656 -0.491
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.594 -0.102 0.181

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.149 0.252 0.409
\delta -0.493 -0.160 0.090
\tau_1/\tau_2 0.781 1.089 1.403
Q_{PAH} 0.406 1.186 2.411
U_{min} 2.617 7.046 13.631
{\rm log}_{10}(\gamma_e)\, -3.007 -1.952 -1.311

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.437 -3.525 -2.559
{\rm log}_{10}(\tau_{AGN})\, 1.046 1.560 1.952

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.613 -0.332 -0.174
0.03-0.10 Gyr -0.406 -0.103 0.165
0.10-0.33 Gyr -0.298 0.000 0.279
0.33-1.09 Gyr -0.400 -0.093 0.138
1.09-3.62 Gyr -0.367 -0.092 0.097
3.62-11.95 Gyr -0.189 -0.011 0.128
11.95-13.28 Gyr -0.377 0.048 0.457