2026vdn results

Information

Transient
Name:AT2026vdn
Right ascension: 18h01m57.81s
Declination:32d54m02.20s
Discovery Date:July 15, 2026, 5:41 a.m.
Classification:None
Redshift:None
MW E(B-V):0.043
Host
Name:J180157.82+325403.19
Object ID:9907732791362577
Catalog Name:decals
Catalog Release:dr9
Right ascension: 18h01m57.82s
Declination:32d54m03.19s
Redshift:None
Photometric Redshift:0.103
 

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
DES_g
DES_r
DES_z
SDSS_i
SDSS_r
SDSS_u
SDSS_z
SDSS_g
DES_i
DES_Y
 

Processing Status: completed

Task Name Status Time (s)
Cutout download processed 6.97
Transient MWEBV processed 0.11
Host match processed 5.95
Host information processed 0.13
Host MWEBV processed 0.11
Global aperture construction processed 0.63
Global aperture photometry processed 5.41
Validate global photometry processed 14.71
Global host SED inference processed 408.76
Local aperture photometry processed 5.15
Validate local photometry processed 0.02
Local host SED inference processed 679.27
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):18h01m57.81s, 32d54m02.20s
semi major axis, semi minor axis (arcsec):1.06, 1.06
angle (degrees, anti-clockwise from east):0.0
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_z 69.74 1.32 19.291 0.021 AB
PanSTARRS_y 65.33 1.96 19.362 0.033 AB

Aperture details

RA, DEC (J2000):18h01m57.82s, 32d54m03.32s
semi major axis, semi minor axis (arcsec):4.12, 3.25
angle (degrees, anti-clockwise from east):188.2
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 6.54 1.77 21.861 0.294 AB
GALEX_NUV 11.48 1.65 21.251 0.157 AB
DES_g 89.95 0.66 19.015 0.008 AB
PanSTARRS_g 96.16 0.84 18.942 0.009 AB
PanSTARRS_r 157.53 0.89 18.407 0.006 AB
DES_r 167.18 1.73 18.342 0.011 AB
PanSTARRS_i 209.91 0.96 18.095 0.005 AB
PanSTARRS_z 238.63 2.97 17.956 0.013 AB
DES_z 250.19 2.6 17.904 0.011 AB
PanSTARRS_y 258.65 6.59 17.868 0.028 AB
2MASS_J 352.89 96.6 16.636 0.297 Vega
2MASS_H 512.58 160.9 15.758 0.341 Vega
2MASS_K 449.37 159.06 15.431 0.384 Vega
WISE_W1 123.78 12.9 15.969 0.113 Vega
WISE_W2 77.88 13.13 15.832 0.183 Vega
WISE_W3 266.6 43.67 12.661 0.178 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.970 9.350 9.620
{\rm log}_{10}({\rm SFR}) -0.677 -0.156 0.389
{\rm log}_{10}({\rm sSFR}) -10.132 -9.543 -8.654
{\rm stellar\ age} 2.157 6.309 8.870

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.678 -1.028 -0.260
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.248 -0.474 0.207

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.267 0.552 0.917
\delta -0.776 -0.410 0.092
\tau_1/\tau_2 0.509 0.941 1.364
Q_{PAH} 0.511 1.850 4.273
U_{min} 3.153 8.451 15.961
{\rm log}_{10}(\gamma_e)\, -3.298 -2.244 -1.108

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.270 -1.227 -0.532
{\rm log}_{10}(\tau_{AGN})\, 0.997 1.399 1.937

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.436 -0.103 0.296
0.03-0.10 Gyr -1.546 -0.356 0.443
0.10-0.33 Gyr -3.022 -1.100 -0.187
0.33-1.06 Gyr -3.503 -1.131 -0.204
1.06-3.44 Gyr -3.069 -1.086 -0.449
3.44-11.17 Gyr -2.190 -0.735 -0.314
11.17-12.42 Gyr -2.045 -0.609 0.348

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.956 10.008 10.074
{\rm log}_{10}({\rm SFR}) -0.541 -0.285 0.013
{\rm log}_{10}({\rm sSFR}) -10.561 -10.286 -9.989
{\rm stellar\ age} 6.613 7.279 8.559

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.186 -0.950 -0.769
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.431 -0.489 0.097

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.094 0.168 0.279
\delta -0.737 -0.380 -0.032
\tau_1/\tau_2 0.759 1.071 1.413
Q_{PAH} 0.732 1.879 3.403
U_{min} 2.626 7.576 14.716
{\rm log}_{10}(\gamma_e)\, -2.158 -1.246 -0.499

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.231 -3.088 -1.986
{\rm log}_{10}(\tau_{AGN})\, 1.017 1.552 1.930

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.848 -0.591 -0.416
0.03-0.10 Gyr -0.525 -0.198 0.147
0.10-0.33 Gyr -0.557 -0.203 0.059
0.33-1.06 Gyr -0.735 -0.361 -0.114
1.06-3.44 Gyr -0.651 -0.205 0.046
3.44-11.17 Gyr 0.015 0.187 0.285
11.17-12.42 Gyr -0.154 0.308 0.800