2025qdb results

Information

Transient
Name:AT2025qdb
Right ascension: 12h39m09.64s
Declination:19d11m21.69s
Discovery Date:June 27, 2025, 4:54 a.m.
Classification:None
Redshift:None
MW E(B-V):0.021
Host
Name:
Right ascension: 12h39m09.70s
Declination:19d11m25.66s
Redshift:None
Photometric Redshift:0.080
 

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_z
 DES_i
DES_Y
 

Processing Status: completed

Task Name Status Time (s)
Cutout download processed 28.82
Transient MWEBV processed 0.04
Host match processed 5.95
Host information processed 0.13
Host MWEBV processed 0.04
Global aperture construction processed 0.62
Global aperture photometry processed 5.69
Validate global photometry processed 17.44
Global host SED inference processed 392.94
Local aperture photometry processed 6.62
Validate local photometry processed 0.02
Local host SED inference processed 434.34
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):12h39m09.64s, 19d11m21.69s
semi major axis, semi minor axis (arcsec):1.32, 1.32
angle (degrees, anti-clockwise from east):0.0
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_g 12.02 0.17 21.200 0.015 AB
PanSTARRS_g 10.28 0.33 21.370 0.035 AB
SDSS_r 19.09 1.3 20.698 0.074 AB
PanSTARRS_r 15.99 0.48 20.891 0.032 AB
DES_r 19.78 0.31 20.659 0.017 AB
SDSS_i 25.71 1.7 20.375 0.072 AB
PanSTARRS_i 21.77 0.48 20.555 0.024 AB
PanSTARRS_z 24.93 0.89 20.408 0.039 AB
SDSS_z 30.09 4.09 20.204 0.148 AB
DES_z 28.72 1.01 20.254 0.038 AB
PanSTARRS_y 26.97 1.56 20.323 0.063 AB

Aperture details

RA, DEC (J2000):12h39m09.70s, 19d11m25.86s
semi major axis, semi minor axis (arcsec):9.68, 3.66
angle (degrees, anti-clockwise from east):-165.49
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 16.16 4.26 20.879 0.286 AB
GALEX_NUV 14.25 0.77 21.015 0.058 AB
SDSS_u 15.16 6.44 20.948 0.461 AB
SDSS_g 119.17 3.46 18.710 0.032 AB
DES_g 131.18 0.63 18.605 0.005 AB
PanSTARRS_g 128.23 1.46 18.630 0.012 AB
SDSS_r 204.18 4.77 18.125 0.025 AB
PanSTARRS_r 194.11 2.1 18.180 0.012 AB
DES_r 221.12 1.14 18.038 0.006 AB
SDSS_i 281.28 6.58 17.777 0.025 AB
PanSTARRS_i 268.7 2.12 17.827 0.009 AB
PanSTARRS_z 282.75 3.9 17.771 0.015 AB
SDSS_z 379.57 18.15 17.452 0.052 AB
DES_z 328.86 3.69 17.607 0.012 AB
PanSTARRS_y 327.31 6.89 17.613 0.023 AB
2MASS_J 450.98 156.64 16.370 0.377 Vega
2MASS_H 419.42 213.47 15.976 0.553 Vega
2MASS_K 617.09 279.37 15.086 0.492 Vega
WISE_W1 200.36 11.55 15.446 0.063 Vega
WISE_W2 130.4 15.43 15.273 0.128 Vega
WISE_W3 317.03 76.88 12.473 0.263 Vega
WISE_W4 425.47 408.09 10.708 1.041 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.484 8.698 8.828
{\rm log}_{10}({\rm SFR}) -1.884 -1.230 -0.360
{\rm log}_{10}({\rm sSFR}) -10.602 -9.960 -8.899
{\rm stellar\ age} 1.334 5.234 6.909

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.532 -0.891 -0.269
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.704 -0.692 0.204

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.224 0.612 1.172
\delta -0.410 -0.092 0.200
\tau_1/\tau_2 0.690 1.073 1.457
Q_{PAH} 0.945 2.635 5.012
U_{min} 2.866 8.232 15.516
{\rm log}_{10}(\gamma_e)\, -2.931 -1.900 -0.751

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -1.693 -0.371 0.154
{\rm log}_{10}(\tau_{AGN})\, 1.031 1.449 1.939

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.297 -1.531 -1.009
0.03-0.10 Gyr -2.007 -1.185 -0.234
0.10-0.33 Gyr -1.851 -1.098 -0.374
0.33-1.07 Gyr -1.940 -1.098 -0.663
1.07-3.50 Gyr -2.478 -1.213 -0.939
3.50-11.43 Gyr -3.030 -1.371 -1.071
11.43-12.70 Gyr -3.201 -1.428 -0.883

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.779 9.847 9.922
{\rm log}_{10}({\rm SFR}) -0.870 -0.652 -0.427
{\rm log}_{10}({\rm sSFR}) -10.716 -10.497 -10.278
{\rm stellar\ age} 6.049 6.960 7.863

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.058 -0.785 -0.565
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.718 -0.126 0.297

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.078 0.170 0.320
\delta -0.356 0.065 0.287
\tau_1/\tau_2 0.672 0.995 1.324
Q_{PAH} 1.206 2.897 4.806
U_{min} 2.660 7.615 14.137
{\rm log}_{10}(\gamma_e)\, -2.377 -1.394 -0.507

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.565 -2.242 -1.535
{\rm log}_{10}(\tau_{AGN})\, 0.964 1.377 1.809

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.767 -0.631 -0.505
0.03-0.10 Gyr -0.997 -0.654 -0.366
0.10-0.33 Gyr -0.879 -0.532 -0.255
0.33-1.07 Gyr -0.740 -0.380 -0.143
1.07-3.50 Gyr -0.423 -0.129 0.076
3.50-11.43 Gyr -0.161 0.006 0.119
11.43-12.70 Gyr -0.485 0.016 0.405