2026byx results

Information

Transient
Name:AT2026byx
Right ascension: 0h43m45.59s
Declination:-2d37m22.35s
Discovery Date:Jan. 30, 2026, 2:26 a.m.
Classification:None
Redshift:None
MW E(B-V):0.023
Host
Name:
Right ascension: 0h43m45.51s
Declination:-2d37m21.55s
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 19.23
Transient MWEBV processed 0.07
Host match processed 6.9
Host information processed 0.11
Host MWEBV processed 0.07
Global aperture construction processed 0.63
Global aperture photometry processed 5.49
Validate global photometry processed 18.01
Global host SED inference processed 449.11
Local aperture photometry processed 5.31
Validate local photometry processed 0.03
Local host SED inference processed 497.56
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):0h43m45.59s, -2d37m22.35s
semi major axis, semi minor axis (arcsec):1.29, 1.29
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 17.84 0.13 20.771 0.008 AB
PanSTARRS_r 20.41 0.32 20.625 0.017 AB
DES_r 27.9 0.2 20.286 0.008 AB
SDSS_i 34.35 1.86 20.060 0.059 AB
PanSTARRS_i 26.0 0.46 20.363 0.019 AB
PanSTARRS_z 27.51 0.89 20.301 0.035 AB
SDSS_z 35.94 3.62 20.011 0.109 AB
DES_z 35.72 0.6 20.018 0.018 AB
PanSTARRS_y 26.65 2.25 20.336 0.092 AB

Aperture details

RA, DEC (J2000):0h43m45.49s, -2d37m21.47s
semi major axis, semi minor axis (arcsec):5.29, 3.34
angle (degrees, anti-clockwise from east):-28.73
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 8.65 0.61 21.558 0.077 AB
GALEX_NUV 12.05 0.51 21.197 0.046 AB
SDSS_u 39.23 3.86 19.916 0.107 AB
SDSS_g 70.31 2.73 19.282 0.042 AB
DES_g 69.26 0.29 19.299 0.005 AB
PanSTARRS_g 72.99 1.24 19.242 0.018 AB
SDSS_r 115.69 3.52 18.742 0.033 AB
PanSTARRS_r 102.15 1.01 18.877 0.011 AB
DES_r 108.84 0.45 18.808 0.005 AB
SDSS_i 134.23 4.65 18.580 0.038 AB
PanSTARRS_i 137.92 1.45 18.551 0.011 AB
PanSTARRS_z 153.83 2.84 18.432 0.020 AB
SDSS_z 200.26 11.3 18.146 0.061 AB
DES_z 147.21 1.35 18.480 0.010 AB
PanSTARRS_y 143.09 7.12 18.511 0.054 AB
2MASS_J 149.71 96.16 17.567 0.697 Vega
2MASS_H 129.83 146.55 17.249 1.225 Vega
2MASS_K -113.46 191.89 Vega
WISE_W1 83.7 9.2 16.394 0.119 Vega
WISE_W2 49.64 11.51 16.321 0.252 Vega
WISE_W3 41.85 64.96 14.672 1.685 Vega
WISE_W4 9.22 410.44 14.868 48.326 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.329 8.560 8.739
{\rm log}_{10}({\rm SFR}) -1.595 -0.980 -0.324
{\rm log}_{10}({\rm sSFR}) -10.264 -9.518 -8.700
{\rm stellar\ age} 0.728 3.621 6.015

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.405 -0.518 0.010
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.577 -0.966 -0.131

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.138 0.347 0.686
\delta -0.750 -0.416 -0.044
\tau_1/\tau_2 0.662 1.050 1.425
Q_{PAH} 0.861 2.551 5.177
U_{min} 3.040 8.204 15.383
{\rm log}_{10}(\gamma_e)\, -3.141 -1.906 -0.501

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -1.467 -0.149 0.256
{\rm log}_{10}(\tau_{AGN})\, 1.111 1.527 2.012

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.595 -1.119 -0.750
0.03-0.10 Gyr -1.791 -0.968 -0.207
0.10-0.33 Gyr -1.577 -0.800 -0.265
0.33-1.07 Gyr -1.924 -0.920 -0.555
1.07-3.49 Gyr -3.100 -1.434 -1.009
3.49-11.41 Gyr -3.601 -1.745 -1.222
11.41-12.67 Gyr -3.501 -1.746 -1.083

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.456 9.585 9.708
{\rm log}_{10}({\rm SFR}) -0.633 -0.116 0.287
{\rm log}_{10}({\rm sSFR}) -10.210 -9.686 -9.244
{\rm stellar\ age} 5.790 7.068 9.901

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.716 -1.356 -0.926
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.692 -0.359 0.351

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.222 0.378 0.550
\delta -0.458 -0.118 0.185
\tau_1/\tau_2 0.545 0.958 1.390
Q_{PAH} 0.861 2.463 4.600
U_{min} 3.384 9.533 17.149
{\rm log}_{10}(\gamma_e)\, -2.685 -1.512 -0.487

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.851 -2.266 -1.459
{\rm log}_{10}(\tau_{AGN})\, 1.027 1.526 1.946

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -3.138 -1.676 -1.043
0.03-0.10 Gyr -0.506 0.038 0.445
0.10-0.33 Gyr -1.641 -0.239 0.137
0.33-1.07 Gyr -2.861 -0.724 -0.337
1.07-3.49 Gyr -2.207 -0.614 -0.264
3.49-11.41 Gyr -0.990 -0.371 -0.148
11.41-12.67 Gyr -1.022 -0.195 0.662