2026uan results

Information

Transient
Name:AT2026uan
Right ascension: 15h59m20.05s
Declination:31d57m53.76s
Discovery Date:July 3, 2026, 5:54 p.m.
Classification:None
Redshift:None
MW E(B-V):0.025
Host
Name:J155920.14+315753.11
Object ID:9906632954021969
Catalog Name:decals
Catalog Release:dr9
Right ascension: 15h59m20.14s
Declination:31d57m53.11s
Redshift:None
Photometric Redshift:0.057
 

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 16.23
Transient MWEBV processed 0.1
Host match processed 5.83
Host information processed 0.2
Host MWEBV processed 0.05
Global aperture construction processed 0.69
Global aperture photometry processed 5.39
Validate global photometry processed 15.81
Global host SED inference processed 429.0
Local aperture photometry processed 5.21
Validate local photometry processed 0.02
Local host SED inference processed 502.85
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):15h59m20.05s, 31d57m53.76s
semi major axis, semi minor axis (arcsec):1.8, 1.8
angle (degrees, anti-clockwise from east):0.0
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_u 28.58 1.83 20.260 0.070 AB
SDSS_g 65.87 2.15 19.353 0.035 AB
PanSTARRS_g 70.29 0.53 19.283 0.008 AB
SDSS_r 78.35 2.42 19.165 0.033 AB
PanSTARRS_r 80.66 0.55 19.133 0.007 AB
SDSS_i 95.9 2.84 18.945 0.032 AB
PanSTARRS_i 100.57 0.56 18.894 0.006 AB
PanSTARRS_z 89.65 1.19 19.019 0.014 AB
SDSS_z 100.53 5.3 18.894 0.057 AB
PanSTARRS_y 96.89 2.46 18.934 0.028 AB

Aperture details

RA, DEC (J2000):15h59m20.12s, 31d57m53.24s
semi major axis, semi minor axis (arcsec):7.02, 4.49
angle (degrees, anti-clockwise from east):-85.42
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 49.25 7.68 19.669 0.169 AB
GALEX_NUV 52.87 2.99 19.592 0.061 AB
SDSS_u 75.02 4.54 19.212 0.066 AB
SDSS_g 163.19 3.65 18.368 0.024 AB
PanSTARRS_g 179.92 1.59 18.262 0.010 AB
SDSS_r 193.11 4.35 18.185 0.024 AB
PanSTARRS_r 189.74 1.63 18.205 0.009 AB
SDSS_i 217.28 5.58 18.057 0.028 AB
PanSTARRS_i 233.54 1.69 17.979 0.008 AB
PanSTARRS_z 225.97 3.62 18.015 0.017 AB
SDSS_z 319.24 15.22 17.640 0.052 AB
PanSTARRS_y 219.62 7.56 18.046 0.037 AB
2MASS_J 401.38 149.91 16.496 0.405 Vega
2MASS_H 508.55 235.61 15.767 0.503 Vega
2MASS_K 159.42 231.51 16.556 1.577 Vega
WISE_W1 74.95 10.46 16.514 0.152 Vega
WISE_W2 56.71 12.74 16.177 0.244 Vega
WISE_W3 139.09 38.9 13.368 0.304 Vega
WISE_W4 203.17 234.54 11.510 1.253 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.594 8.818 8.970
{\rm log}_{10}({\rm SFR}) -1.196 -0.658 -0.126
{\rm log}_{10}({\rm sSFR}) -10.078 -9.466 -8.844
{\rm stellar\ age} 1.256 4.496 6.511

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.820 -1.471 -0.837
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.693 -1.204 -0.348

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.098 0.396 0.708
\delta -0.483 -0.032 0.275
\tau_1/\tau_2 0.696 1.041 1.419
Q_{PAH} 0.602 2.389 5.011
U_{min} 3.006 8.329 15.642
{\rm log}_{10}(\gamma_e)\, -3.098 -1.848 -0.579

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.681 -1.575 -0.252
{\rm log}_{10}(\tau_{AGN})\, 1.125 1.522 1.957

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.248 -0.916 -0.653
0.03-0.10 Gyr -1.321 -0.599 -0.001
0.10-0.33 Gyr -1.071 -0.472 -0.004
0.33-1.08 Gyr -1.484 -0.844 -0.486
1.08-3.56 Gyr -2.344 -1.134 -0.790
3.56-11.69 Gyr -3.029 -1.383 -0.966
11.69-12.99 Gyr -3.050 -1.429 -0.815

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.948 9.173 9.310
{\rm log}_{10}({\rm SFR}) -0.634 -0.239 0.004
{\rm log}_{10}({\rm sSFR}) -9.793 -9.423 -9.111
{\rm stellar\ age} 3.299 5.666 7.133

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.515 -1.175 -0.822
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.626 -1.048 -0.311

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.030 0.084 0.181
\delta -0.510 -0.033 0.268
\tau_1/\tau_2 0.487 0.840 1.236
Q_{PAH} 0.352 1.153 2.474
U_{min} 3.000 8.058 15.519
{\rm log}_{10}(\gamma_e)\, -2.679 -1.540 -0.649

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.437 -2.216 -1.690
{\rm log}_{10}(\tau_{AGN})\, 1.025 1.425 1.822

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.902 -1.211 -0.940
0.03-0.10 Gyr -0.519 -0.095 0.161
0.10-0.33 Gyr -0.395 -0.078 0.238
0.33-1.08 Gyr -1.515 -0.728 -0.425
1.08-3.56 Gyr -1.480 -0.829 -0.559
3.56-11.69 Gyr -1.544 -0.880 -0.609
11.69-12.99 Gyr -1.582 -0.794 -0.315