2026ybh results

Information

Transient
Name:AT2026ybh
Right ascension: 1h54m01.46s
Declination:6d23m36.04s
Discovery Date:Aug. 1, 2026, 7:49 p.m.
Classification:None
Redshift:None
MW E(B-V):0.047
Host
Name:J015401.83+062341.81
Object ID:9906623874926219
Catalog Name:decals
Catalog Release:dr9
Right ascension: 1h54m01.83s
Declination:6d23m41.81s
Redshift:None
Photometric Redshift:0.055
 

Cutout Download Report

Downloaded Unavailable
2MASS_H
2MASS_J
2MASS_K
WISE_W1
WISE_W2
WISE_W3
WISE_W4
GALEX_NUV
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
 GALEX_FUV
DES_i
DES_Y
 

Processing Status: completed

Task Name Status Time (s)
Cutout download processed 18.43
Transient MWEBV processed 0.18
Host match processed 6.24
Host information processed 0.18
Host MWEBV processed 0.18
Global aperture construction processed 0.61
Global aperture photometry processed 6.6
Validate global photometry processed 18.51
Global host SED inference processed 457.14
Local aperture photometry processed 6.52
Validate local photometry processed 0.03
Local host SED inference processed 440.85
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):1h54m01.46s, 6d23m36.04s
semi major axis, semi minor axis (arcsec):1.87, 1.87
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 1.67 1.48 23.341 0.963 AB
SDSS_g 2.6 0.71 22.861 0.297 AB
DES_g 2.77 0.14 22.793 0.054 AB
PanSTARRS_g 2.89 0.5 22.748 0.188 AB
SDSS_r 4.06 1.1 22.379 0.295 AB
PanSTARRS_r 2.94 0.69 22.730 0.254 AB
DES_r 3.81 0.25 22.448 0.072 AB
SDSS_i 5.6 1.6 22.029 0.309 AB
PanSTARRS_i 4.26 0.51 22.326 0.129 AB
PanSTARRS_z 4.96 1.16 22.160 0.254 AB
SDSS_z 18.85 5.77 20.712 0.333 AB
DES_z 4.4 0.59 22.292 0.146 AB
PanSTARRS_y 4.36 3.55 22.300 0.882 AB

Aperture details

RA, DEC (J2000):1h54m01.81s, 6d23m41.63s
semi major axis, semi minor axis (arcsec):9.88, 4.84
angle (degrees, anti-clockwise from east):200.72
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_NUV 29.91 4.08 20.210 0.148 AB
SDSS_u 55.51 5.69 19.539 0.111 AB
SDSS_g 139.28 3.69 18.540 0.029 AB
DES_g 146.47 0.73 18.486 0.005 AB
PanSTARRS_g 142.4 1.97 18.516 0.015 AB
SDSS_r 204.11 5.09 18.125 0.027 AB
PanSTARRS_r 200.53 2.53 18.145 0.014 AB
DES_r 226.46 1.45 18.013 0.007 AB
SDSS_i 282.18 6.86 17.774 0.026 AB
PanSTARRS_i 261.23 1.87 17.857 0.008 AB
SDSS_z 369.99 21.49 17.480 0.063 AB
DES_z 298.83 3.5 17.711 0.013 AB
PanSTARRS_y 339.55 12.93 17.573 0.041 AB
2MASS_J 437.32 172.62 16.403 0.429 Vega
2MASS_H 590.69 248.21 15.604 0.456 Vega
2MASS_K 634.92 322.11 15.055 0.551 Vega
WISE_W1 164.85 11.0 15.658 0.072 Vega
WISE_W2 107.66 15.65 15.481 0.158 Vega
WISE_W3 120.45 64.75 13.524 0.584 Vega
WISE_W4 347.43 348.25 10.928 1.088 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 7.017 7.394 7.594
{\rm log}_{10}({\rm SFR}) -2.244 -1.759 -1.230
{\rm log}_{10}({\rm sSFR}) -9.771 -9.168 -8.251
{\rm stellar\ age} 0.378 4.551 6.778

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.159 -0.512 -0.053
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.268 -0.852 -0.388

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.530 0.897 1.390
\delta -0.089 0.148 0.304
\tau_1/\tau_2 0.768 1.133 1.529
Q_{PAH} 1.050 2.955 5.265
U_{min} 3.062 8.311 16.170
{\rm log}_{10}(\gamma_e)\, -2.802 -1.863 -0.769

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -1.207 -0.011 0.316
{\rm log}_{10}(\tau_{AGN})\, 1.275 1.618 1.924

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.196 -1.789 -1.223
0.03-0.10 Gyr -2.524 -1.857 -1.207
0.10-0.33 Gyr -2.864 -2.148 -1.610
0.33-1.08 Gyr -4.209 -2.522 -2.064
1.08-3.56 Gyr -4.699 -2.634 -2.246
3.56-11.72 Gyr -5.189 -2.820 -2.344
11.72-13.02 Gyr -5.703 -2.939 -2.239

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.087 9.175 9.318
{\rm log}_{10}({\rm SFR}) -0.628 -0.356 -0.090
{\rm log}_{10}({\rm sSFR}) -9.841 -9.557 -9.241
{\rm stellar\ age} 6.028 7.160 8.912

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.143 -0.660 -0.418
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.055 0.241 0.406

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.098 0.192 0.358
\delta -0.794 -0.450 -0.081
\tau_1/\tau_2 0.759 1.112 1.465
Q_{PAH} 0.597 1.739 3.611
U_{min} 2.619 7.977 15.488
{\rm log}_{10}(\gamma_e)\, -2.939 -2.044 -1.096

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.198 -3.123 -2.110
{\rm log}_{10}(\tau_{AGN})\, 1.001 1.463 1.895

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.390 -0.982 -0.782
0.03-0.10 Gyr -0.527 -0.224 0.053
0.10-0.33 Gyr -2.409 -0.738 -0.408
0.33-1.08 Gyr -2.092 -1.043 -0.746
1.08-3.56 Gyr -1.917 -0.981 -0.696
3.56-11.72 Gyr -1.065 -0.732 -0.574
11.72-13.02 Gyr -1.254 -0.642 0.000