2026vby results

Information

Transient
Name:AT2026vby
Right ascension: 2h00m27.43s
Declination:-7d31m06.18s
Discovery Date:July 14, 2026, 4:50 a.m.
Classification:None
Redshift:None
MW E(B-V):0.021
Host
Name:J020027.65-073105.43
Object ID:9906618600330378
Catalog Name:decals
Catalog Release:dr9
Right ascension: 2h00m27.65s
Declination:-7d31m05.43s
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 21.71
Transient MWEBV processed 0.16
Host match processed 5.96
Host information processed 0.22
Host MWEBV processed 0.1
Global aperture construction processed 0.62
Global aperture photometry processed 7.66
Validate global photometry processed 20.14
Global host SED inference processed 471.88
Local aperture photometry processed 7.33
Validate local photometry processed 0.03
Local host SED inference processed 478.95
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):2h00m27.43s, -7d31m06.18s
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 13.12 1.64 21.105 0.136 AB
SDSS_g 28.67 1.49 20.257 0.056 AB
DES_g 25.08 0.16 20.402 0.007 AB
PanSTARRS_g 25.49 0.44 20.384 0.019 AB
SDSS_r 38.69 1.82 19.931 0.051 AB
PanSTARRS_r 36.68 0.7 19.989 0.021 AB
DES_r 38.45 0.24 19.938 0.007 AB
SDSS_i 50.48 2.21 19.642 0.048 AB
PanSTARRS_i 43.21 0.58 19.811 0.014 AB
DES_i 45.96 0.5 19.744 0.012 AB
PanSTARRS_z 47.28 1.11 19.713 0.025 AB
SDSS_z 65.08 5.41 19.366 0.090 AB
DES_z 50.39 0.83 19.644 0.018 AB
PanSTARRS_y 53.08 2.84 19.588 0.058 AB

Aperture details

RA, DEC (J2000):2h00m27.65s, -7d31m05.16s
semi major axis, semi minor axis (arcsec):8.74, 4.78
angle (degrees, anti-clockwise from east):315.27
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 23.31 3.51 20.481 0.163 AB
GALEX_NUV 70.17 3.57 19.285 0.055 AB
SDSS_u 173.84 5.98 18.300 0.037 AB
SDSS_g 420.13 5.65 17.342 0.015 AB
DES_g 425.46 0.63 17.328 0.002 AB
PanSTARRS_g 434.71 1.59 17.304 0.004 AB
SDSS_r 629.65 7.19 16.902 0.012 AB
PanSTARRS_r 621.03 2.54 16.917 0.004 AB
DES_r 669.19 0.99 16.836 0.002 AB
SDSS_i 806.18 8.59 16.634 0.012 AB
PanSTARRS_i 798.8 2.06 16.644 0.003 AB
DES_i 821.41 2.06 16.614 0.003 AB
PanSTARRS_z 858.41 3.95 16.566 0.005 AB
SDSS_z 954.02 19.66 16.451 0.022 AB
DES_z 907.98 3.44 16.505 0.004 AB
PanSTARRS_y 904.22 10.12 16.509 0.012 AB
2MASS_J 1046.51 141.04 15.456 0.146 Vega
2MASS_H 1358.64 200.8 14.700 0.160 Vega
2MASS_K 1079.12 281.69 14.480 0.283 Vega
WISE_W1 500.91 13.5 14.452 0.029 Vega
WISE_W2 336.36 18.09 14.244 0.058 Vega
WISE_W3 1009.97 86.41 11.215 0.093 Vega
WISE_W4 1505.73 507.17 9.336 0.366 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.490 8.651 8.794
{\rm log}_{10}({\rm SFR}) -2.185 -1.421 -0.528
{\rm log}_{10}({\rm sSFR}) -10.866 -10.095 -9.225
{\rm stellar\ age} 2.787 5.839 7.397

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.647 -1.111 -0.477
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.724 -0.572 0.264

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.108 0.411 0.888
\delta -0.496 -0.044 0.283
\tau_1/\tau_2 0.666 1.037 1.407
Q_{PAH} 1.122 2.822 5.003
U_{min} 3.174 8.831 16.195
{\rm log}_{10}(\gamma_e)\, -3.000 -1.664 -0.602

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.280 -0.455 0.040
{\rm log}_{10}(\tau_{AGN})\, 1.047 1.543 1.981

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.688 -1.870 -1.342
0.03-0.10 Gyr -2.317 -1.353 -0.382
0.10-0.33 Gyr -1.747 -1.057 -0.393
0.33-1.08 Gyr -2.297 -1.259 -0.822
1.08-3.56 Gyr -2.168 -1.289 -1.007
3.56-11.69 Gyr -2.267 -1.370 -1.103
11.69-12.99 Gyr -2.401 -1.397 -0.831

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.886 10.023 10.149
{\rm log}_{10}({\rm SFR}) -0.497 0.256 0.610
{\rm log}_{10}({\rm sSFR}) -10.873 -9.751 -9.331
{\rm stellar\ age} 6.455 7.475 10.833

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.663 -1.244 -0.869
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.568 -0.042 0.392

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.167 0.261 0.392
\delta -0.743 -0.420 0.005
\tau_1/\tau_2 0.515 0.914 1.320
Q_{PAH} 0.592 1.508 3.181
U_{min} 2.712 7.864 15.778
{\rm log}_{10}(\gamma_e)\, -3.504 -2.740 -1.663

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.069 -2.105 -1.687
{\rm log}_{10}(\tau_{AGN})\, 0.987 1.319 1.729

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.961 -1.255 -0.556
0.03-0.10 Gyr -0.355 0.413 0.767
0.10-0.33 Gyr -1.053 0.107 0.459
0.33-1.08 Gyr -3.041 -0.650 -0.098
1.08-3.56 Gyr -2.376 -0.375 0.081
3.56-11.69 Gyr -0.743 0.053 0.306
11.69-12.99 Gyr -0.819 0.237 1.166