2026ybo results

Information

Transient
Name:AT2026ybo
Right ascension: 22h50m43.08s
Declination:3d17m31.26s
Discovery Date:Aug. 4, 2026, 6:38 p.m.
Classification:None
Redshift:None
MW E(B-V):0.060
Host
Name:J225043.07+031731.89
Object ID:9906622733749911
Catalog Name:decals
Catalog Release:dr9
Right ascension: 22h50m43.07s
Declination:3d17m31.89s
Redshift:None
Photometric Redshift:0.101
 
 

Processing Status: completed

Task Name Status Time (s)
Cutout download processed 18.38
Transient MWEBV processed 0.16
Host match processed 5.13
Host information processed 0.17
Host MWEBV processed 0.11
Host spectrum download not processed None
Global aperture construction processed 0.66
Global aperture photometry processed 9.0
Validate global photometry processed 18.94
Global host SED inference processed 469.49
Local aperture photometry processed 6.79
Validate local photometry processed 0.03
Local host SED inference processed 429.9
 

Imaging data

 

Spectral Energy Distribution

 

Host Galaxy Spectrum

 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.391 8.670 8.867
{\rm log}_{10}({\rm SFR}) -1.503 -0.865 -0.279
{\rm log}_{10}({\rm sSFR}) -10.252 -9.527 -8.765
{\rm stellar\ age} 1.055 4.670 6.756

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.592 -0.898 -0.113
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.494 -0.721 0.087

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.253 0.555 0.954
\delta -0.574 -0.223 0.098
\tau_1/\tau_2 0.618 0.994 1.351
Q_{PAH} 0.782 2.565 5.064
U_{min} 2.883 8.156 15.157
{\rm log}_{10}(\gamma_e)\, -2.791 -1.747 -0.605

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.224 -0.283 0.194
{\rm log}_{10}(\tau_{AGN})\, 1.074 1.476 1.894

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.407 -0.859 -0.385
0.03-0.10 Gyr -1.888 -0.929 -0.227
0.10-0.33 Gyr -1.829 -0.975 -0.429
0.33-1.06 Gyr -1.950 -1.055 -0.598
1.06-3.44 Gyr -2.725 -1.324 -0.960
3.44-11.20 Gyr -3.006 -1.465 -1.047
11.20-12.44 Gyr -2.990 -1.498 -0.863

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.472 8.883 9.129
{\rm log}_{10}({\rm SFR}) -0.051 0.369 0.821
{\rm log}_{10}({\rm sSFR}) -8.999 -8.394 -7.929
{\rm stellar\ age} 0.113 2.289 6.104

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.596 -0.917 -0.116
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.073 -0.252 0.188

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.190 0.728 1.379
\delta 0.014 0.245 0.346
\tau_1/\tau_2 0.564 1.107 1.610
Q_{PAH} 1.033 2.775 4.928
U_{min} 4.063 10.399 18.428
{\rm log}_{10}(\gamma_e)\, -3.103 -1.755 -0.661

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.763 -1.854 -0.621
{\rm log}_{10}(\tau_{AGN})\, 0.971 1.408 1.829

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.363 -0.689 -0.187
0.03-0.10 Gyr 0.084 0.514 0.971
0.10-0.33 Gyr -2.776 -0.712 0.068
0.33-1.06 Gyr -4.482 -1.734 -0.728
1.06-3.44 Gyr -5.592 -2.047 -0.947
3.44-11.20 Gyr -5.999 -2.158 -1.013
11.20-12.44 Gyr -5.868 -1.923 -0.648
 

Aperture Photometry


Aperture details

RA, DEC (J2000):22h50m43.08s, 3d17m31.26s
semi major axis, semi minor axis (arcsec):1.08, 1.08
angle (degrees, anti-clockwise from east):0.0
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_r 12.94 0.29 21.120 0.024 AB
PanSTARRS_z 16.17 0.89 20.878 0.060 AB
DES_z 19.57 0.81 20.671 0.045 AB
PanSTARRS_y 13.39 2.01 21.083 0.163 AB

Aperture details

RA, DEC (J2000):22h50m43.07s, 3d17m31.81s
semi major axis, semi minor axis (arcsec):3.63, 2.17
angle (degrees, anti-clockwise from east):193.61
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 5.87 1.77 21.979 0.328 AB
GALEX_NUV 10.27 1.55 21.371 0.163 AB
SDSS_u 17.05 2.62 20.821 0.167 AB
SDSS_g 23.81 1.49 20.458 0.068 AB
DES_g 24.94 0.28 20.408 0.012 AB
PanSTARRS_g 25.53 0.89 20.382 0.038 AB
SDSS_r 36.15 1.92 20.005 0.058 AB
PanSTARRS_r 33.15 0.79 20.099 0.026 AB
DES_r 33.35 0.5 20.092 0.016 AB
SDSS_i 41.01 2.47 19.868 0.065 AB
PanSTARRS_i 39.47 0.61 19.909 0.017 AB
PanSTARRS_z 38.32 2.23 19.941 0.063 AB
SDSS_z 42.77 7.54 19.822 0.192 AB
DES_z 44.54 1.36 19.778 0.033 AB
PanSTARRS_y 49.26 4.97 19.669 0.109 AB
2MASS_J 187.35 88.34 17.323 0.512 Vega
2MASS_H 164.5 145.32 16.992 0.959 Vega
2MASS_K 171.44 158.86 16.477 1.006 Vega
WISE_W1 5.62 6.77 19.327 1.309 Vega
WISE_W2 14.19 13.34 17.681 1.020 Vega
WISE_W3 105.77 63.65 13.665 0.653 Vega
WISE_W4 538.88 449.17 10.451 0.905 Vega