2026umk results

Information

Transient
Name:AT2026umk
Right ascension: 22h51m15.20s
Declination:8d39m19.31s
Discovery Date:July 13, 2026, 1:12 a.m.
Classification:None
Redshift:None
MW E(B-V):0.061
Host
Name:J225115.30+083921.08
Object ID:9906624799309954
Catalog Name:decals
Catalog Release:dr9
Right ascension: 22h51m15.30s
Declination:8d39m21.08s
Redshift:None
Photometric Redshift:0.082
 

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 18.33
Transient MWEBV processed 0.11
Host match processed 5.93
Host information processed 0.12
Host MWEBV processed 0.04
Global aperture construction processed 0.65
Global aperture photometry processed 5.69
Validate global photometry processed 18.0
Global host SED inference processed 531.89
Local aperture photometry processed 5.51
Validate local photometry processed 0.03
Local host SED inference processed 484.19
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):22h51m15.20s, 8d39m19.31s
semi major axis, semi minor axis (arcsec):1.3, 1.3
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 14.4 0.18 21.004 0.014 AB
PanSTARRS_r 30.51 0.36 20.189 0.013 AB
DES_r 30.65 0.48 20.184 0.017 AB
SDSS_i 42.63 1.97 19.826 0.050 AB
PanSTARRS_i 40.09 0.39 19.892 0.010 AB
PanSTARRS_z 50.41 1.13 19.644 0.024 AB
SDSS_z 50.88 3.85 19.634 0.082 AB
DES_z 49.81 1.19 19.657 0.026 AB
PanSTARRS_y 60.24 2.29 19.450 0.041 AB

Aperture details

RA, DEC (J2000):22h51m15.28s, 8d39m21.30s
semi major axis, semi minor axis (arcsec):5.02, 3.72
angle (degrees, anti-clockwise from east):-20.76
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 3.16 1.46 22.651 0.501 AB
GALEX_NUV 2.99 1.59 22.711 0.576 AB
SDSS_u 37.01 4.27 19.979 0.125 AB
SDSS_g 159.77 3.49 18.391 0.024 AB
DES_g 178.81 0.63 18.269 0.004 AB
PanSTARRS_g 185.19 0.96 18.231 0.006 AB
SDSS_r 388.69 5.48 17.426 0.015 AB
PanSTARRS_r 386.72 1.21 17.432 0.003 AB
DES_r 420.07 1.74 17.342 0.004 AB
SDSS_i 557.33 6.99 17.035 0.014 AB
PanSTARRS_i 565.14 1.28 17.020 0.002 AB
PanSTARRS_z 724.18 3.72 16.750 0.006 AB
SDSS_z 774.93 13.39 16.677 0.019 AB
DES_z 777.01 4.61 16.674 0.006 AB
PanSTARRS_y 835.3 7.48 16.595 0.010 AB
2MASS_J 997.18 121.66 15.508 0.132 Vega
2MASS_H 1409.12 197.06 14.660 0.152 Vega
2MASS_K 1254.38 216.6 14.316 0.187 Vega
WISE_W1 431.88 15.3 14.613 0.038 Vega
WISE_W2 260.04 17.48 14.523 0.073 Vega
WISE_W3 160.25 65.34 13.214 0.443 Vega
WISE_W4 -210.74 409.0 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.197 9.271 9.373
{\rm log}_{10}({\rm SFR}) -2.246 -1.500 -0.918
{\rm log}_{10}({\rm sSFR}) -11.491 -10.764 -10.258
{\rm stellar\ age} 6.637 7.823 10.896

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.356 -0.829 -0.399
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.486 -0.782 -0.061

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.142 0.440 0.828
\delta -0.353 0.048 0.292
\tau_1/\tau_2 0.605 0.956 1.324
Q_{PAH} 1.134 3.137 5.672
U_{min} 3.179 8.290 15.344
{\rm log}_{10}(\gamma_e)\, -2.839 -1.701 -0.666

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -1.549 -0.393 0.004
{\rm log}_{10}(\tau_{AGN})\, 1.033 1.457 1.938

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.400 -1.636 -1.071
0.03-0.10 Gyr -2.432 -1.541 -0.866
0.10-0.33 Gyr -2.551 -1.576 -0.955
0.33-1.07 Gyr -2.793 -1.549 -0.939
1.07-3.49 Gyr -2.675 -1.227 -0.664
3.49-11.41 Gyr -1.178 -0.608 -0.459
11.41-12.68 Gyr -1.016 -0.347 0.394

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.429 10.542 10.592
{\rm log}_{10}({\rm SFR}) -5.969 -2.615 -1.109
{\rm log}_{10}({\rm sSFR}) -16.552 -13.239 -11.613
{\rm stellar\ age} 7.532 11.667 12.039

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.484 -1.141 -0.876
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.512 -0.575 0.212

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.227 0.358 0.512
\delta -0.773 -0.533 -0.327
\tau_1/\tau_2 0.471 0.933 1.442
Q_{PAH} 1.222 2.949 5.083
U_{min} 3.857 10.853 18.907
{\rm log}_{10}(\gamma_e)\, -2.693 -1.593 -0.525

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.911 -2.553 -1.692
{\rm log}_{10}(\tau_{AGN})\, 1.230 1.676 1.968

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -7.677 -3.725 -1.786
0.03-0.10 Gyr -6.623 -2.907 -1.033
0.10-0.33 Gyr -6.652 -3.364 -1.268
0.33-1.07 Gyr -6.631 -3.902 -1.515
1.07-3.49 Gyr -4.496 -2.693 -0.804
3.49-11.41 Gyr -2.324 -0.258 0.742
11.41-12.68 Gyr 0.100 1.673 1.743