2026qdd results

Information

Transient
Name:AT2026qdd
Right ascension: 20h49m29.99s
Declination:-18d43m49.24s
Discovery Date:June 25, 2026, 9:58 a.m.
Classification:None
Redshift:None
MW E(B-V):0.054
Host
Name:864434
Object ID:1196435.0
Catalog Name:glade
Catalog Release:latest
Right ascension: 20h49m30.70s
Declination:-18d43m48.37s
Redshift:0.063374
Photometric Redshift:None
 

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 4.77
Transient MWEBV processed 0.11
Host match processed 5.68
Host information processed 0.07
Host MWEBV processed 0.12
Global aperture construction processed 0.67
Global aperture photometry processed 3.88
Validate global photometry processed 12.65
Global host SED inference processed 539.71
Local aperture photometry processed 3.75
Validate local photometry processed 0.02
Local host SED inference processed 484.79
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):20h49m29.99s, -18d43m49.24s
semi major axis, semi minor axis (arcsec):1.64, 1.64
angle (degrees, anti-clockwise from east):0.0
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_g 9.86 0.4 21.415 0.044 AB
PanSTARRS_r 21.43 0.52 20.572 0.026 AB
PanSTARRS_i 27.25 0.38 20.312 0.015 AB
PanSTARRS_z 38.7 1.26 19.931 0.035 AB
PanSTARRS_y 38.53 3.02 19.935 0.085 AB

Aperture details

RA, DEC (J2000):20h49m30.67s, -18d43m48.48s
semi major axis, semi minor axis (arcsec):12.92, 9.09
angle (degrees, anti-clockwise from east):-114.44
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 7.06 2.0 21.778 0.308 AB
GALEX_NUV 11.96 1.92 21.206 0.174 AB
PanSTARRS_g 1153.5 2.67 16.245 0.003 AB
PanSTARRS_r 2497.99 3.57 15.406 0.002 AB
PanSTARRS_i 3474.97 2.56 15.048 0.001 AB
PanSTARRS_z 4402.25 8.36 14.791 0.002 AB
PanSTARRS_y 5187.11 19.9 14.613 0.004 AB
2MASS_J 6806.28 251.89 13.423 0.040 Vega
2MASS_H 8666.88 455.72 12.688 0.057 Vega
2MASS_K 6630.3 418.46 12.508 0.069 Vega
WISE_W1 2990.52 40.31 12.512 0.015 Vega
WISE_W2 1701.7 48.16 12.484 0.031 Vega
WISE_W3 338.59 161.12 12.402 0.517 Vega
WISE_W4 1212.29 714.91 9.571 0.640 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.797 8.907 9.007
{\rm log}_{10}({\rm SFR}) -2.607 -1.891 -1.223
{\rm log}_{10}({\rm sSFR}) -11.547 -10.802 -10.103
{\rm stellar\ age} 5.911 7.399 8.879

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.061 -0.517 -0.135
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.761 -1.088 0.079

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.202 0.573 1.092
\delta -0.326 -0.006 0.257
\tau_1/\tau_2 0.631 1.013 1.377
Q_{PAH} 1.087 3.107 5.483
U_{min} 2.882 8.115 14.776
{\rm log}_{10}(\gamma_e)\, -2.721 -1.567 -0.595

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -1.105 -0.171 0.185
{\rm log}_{10}(\tau_{AGN})\, 1.190 1.645 2.002

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.934 -2.030 -1.304
0.03-0.10 Gyr -2.777 -1.933 -1.203
0.10-0.33 Gyr -2.684 -1.840 -1.190
0.33-1.08 Gyr -2.580 -1.690 -1.067
1.08-3.54 Gyr -2.169 -1.232 -0.910
3.54-11.62 Gyr -1.460 -0.966 -0.806
11.62-12.91 Gyr -1.609 -0.924 -0.319

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 11.002 11.107 11.139
{\rm log}_{10}({\rm SFR}) -1.914 -1.097 -0.359
{\rm log}_{10}({\rm sSFR}) -12.990 -12.197 -11.414
{\rm stellar\ age} 8.748 12.178 12.264

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.135 -0.764 -0.580
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.465 -0.403 0.300

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.095 0.209 0.408
\delta -0.850 -0.610 -0.331
\tau_1/\tau_2 0.513 1.012 1.511
Q_{PAH} 0.924 2.844 5.227
U_{min} 2.990 9.272 17.362
{\rm log}_{10}(\gamma_e)\, -2.769 -1.160 -0.434

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.408 -3.482 -2.451
{\rm log}_{10}(\tau_{AGN})\, 1.132 1.663 2.009

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.901 -1.377 -0.634
0.03-0.10 Gyr -2.979 -1.233 -0.276
0.10-0.33 Gyr -4.441 -1.829 -0.600
0.33-1.08 Gyr -5.621 -2.515 -0.904
1.08-3.54 Gyr -4.432 -2.137 -0.457
3.54-11.62 Gyr -2.069 -0.508 1.172
11.62-12.91 Gyr 1.547 2.243 2.283