2026vdh results

Information

Transient
Name:AT2026vdh
Right ascension: 18h09m45.40s
Declination:52d52m08.44s
Discovery Date:July 19, 2026, 8:31 p.m.
Classification:None
Redshift:None
MW E(B-V):0.024
Host
Name:J180945.63+525210.90
Object ID:9907738239177327
Catalog Name:decals
Catalog Release:dr9
Right ascension: 18h09m45.63s
Declination:52d52m10.90s
Redshift:None
Photometric Redshift:0.060
 

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 5.04
Transient MWEBV processed 0.06
Host match processed 5.66
Host information processed 0.14
Host MWEBV processed 0.05
Global aperture construction processed 0.7
Global aperture photometry processed 4.02
Validate global photometry processed 11.74
Global host SED inference processed 401.57
Local aperture photometry processed 3.96
Validate local photometry processed 0.02
Local host SED inference processed 442.04
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):18h09m45.40s, 52d52m08.44s
semi major axis, semi minor axis (arcsec):1.74, 1.74
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 21.78 0.42 20.555 0.021 AB
PanSTARRS_r 29.16 0.49 20.238 0.018 AB
PanSTARRS_i 37.77 0.52 19.957 0.015 AB
PanSTARRS_z 41.08 1.44 19.866 0.038 AB
PanSTARRS_y 42.69 2.5 19.824 0.064 AB

Aperture details

RA, DEC (J2000):18h09m45.63s, 52d52m11.02s
semi major axis, semi minor axis (arcsec):5.72, 5.36
angle (degrees, anti-clockwise from east):297.96
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 43.2 4.79 19.811 0.120 AB
GALEX_NUV 54.5 3.19 19.559 0.063 AB
PanSTARRS_g 272.45 1.34 17.812 0.005 AB
PanSTARRS_r 362.51 1.56 17.502 0.005 AB
PanSTARRS_i 490.23 1.66 17.174 0.004 AB
PanSTARRS_z 495.66 4.55 17.162 0.010 AB
PanSTARRS_y 560.93 7.89 17.028 0.015 AB
2MASS_J 974.96 139.17 15.533 0.155 Vega
2MASS_H 836.16 242.41 15.227 0.315 Vega
2MASS_K 882.61 241.34 14.698 0.297 Vega
WISE_W1 306.03 10.05 14.987 0.036 Vega
WISE_W2 214.42 11.04 14.733 0.056 Vega
WISE_W3 1250.78 48.87 10.983 0.042 Vega
WISE_W4 5358.34 373.58 7.957 0.076 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.420 8.616 8.753
{\rm log}_{10}({\rm SFR}) -1.830 -1.260 -0.715
{\rm log}_{10}({\rm sSFR}) -10.528 -9.920 -9.235
{\rm stellar\ age} 2.301 5.840 7.483

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.630 -1.017 -0.424
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.507 -0.867 -0.128

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.165 0.487 0.853
\delta -0.538 -0.134 0.227
\tau_1/\tau_2 0.715 1.076 1.442
Q_{PAH} 0.877 2.734 5.310
U_{min} 2.816 7.958 15.388
{\rm log}_{10}(\gamma_e)\, -2.914 -1.749 -0.548

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.194 -0.535 0.048
{\rm log}_{10}(\tau_{AGN})\, 1.141 1.627 2.002

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.067 -1.551 -1.167
0.03-0.10 Gyr -1.996 -1.222 -0.595
0.10-0.33 Gyr -1.730 -1.099 -0.533
0.33-1.08 Gyr -1.892 -1.245 -0.783
1.08-3.55 Gyr -2.177 -1.345 -1.059
3.55-11.67 Gyr -2.479 -1.395 -1.120
11.67-12.96 Gyr -2.605 -1.430 -0.863

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.630 9.728 9.833
{\rm log}_{10}({\rm SFR}) -0.255 -0.013 0.263
{\rm log}_{10}({\rm sSFR}) -9.996 -9.744 -9.431
{\rm stellar\ age} 5.549 6.673 7.759

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.327 -0.894 -0.610
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.593 -0.009 0.312

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.169 0.314 0.526
\delta -0.264 0.092 0.282
\tau_1/\tau_2 0.772 1.096 1.442
Q_{PAH} 0.434 1.256 2.845
U_{min} 2.715 7.277 14.084
{\rm log}_{10}(\gamma_e)\, -2.968 -1.824 -1.105

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.883 -2.490 -1.774
{\rm log}_{10}(\tau_{AGN})\, 1.011 1.421 1.857

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.514 -0.329 -0.169
0.03-0.10 Gyr -0.231 0.079 0.391
0.10-0.33 Gyr -0.289 0.024 0.288
0.33-1.08 Gyr -0.583 -0.234 0.001
1.08-3.55 Gyr -0.565 -0.266 -0.057
3.55-11.67 Gyr -0.412 -0.190 -0.028
11.67-12.96 Gyr -0.559 -0.097 0.326