2026byk results

Information

Transient
Name:AT2026byk
Right ascension: 11h41m13.02s
Declination:18d34m39.23s
Discovery Date:Jan. 18, 2026, 11:36 a.m.
Classification:None
Redshift:None
MW E(B-V):0.020
Host
Name:J114113.10+183436.58
Right ascension: 11h41m13.10s
Declination:18d34m36.58s
Redshift:0.082270
Photometric Redshift:None
 

Cutout Download Report

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

Processing Status: completed

Task Name Status Time (s)
Cutout download processed 15.11
Transient MWEBV processed 0.03
Host match processed 5.25
Host information processed 0.1
Host MWEBV processed 0.04
Global aperture construction processed 0.61
Global aperture photometry processed 5.19
Validate global photometry processed 14.76
Global host SED inference processed 449.65
Local aperture photometry processed 4.85
Validate local photometry processed 0.02
Local host SED inference processed 405.76
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):11h41m13.02s, 18d34m39.23s
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 20.49 0.2 20.621 0.011 AB
PanSTARRS_r 44.96 0.46 19.768 0.011 AB
DES_r 42.25 0.48 19.836 0.012 AB
SDSS_i 56.23 2.2 19.525 0.042 AB
PanSTARRS_i 61.8 0.54 19.423 0.009 AB
PanSTARRS_z 73.81 0.85 19.230 0.012 AB
SDSS_z 69.56 4.31 19.294 0.067 AB
DES_z 71.7 1.31 19.261 0.020 AB
PanSTARRS_y 92.45 2.03 18.985 0.024 AB

Aperture details

RA, DEC (J2000):11h41m13.10s, 18d34m36.79s
semi major axis, semi minor axis (arcsec):16.74, 6.2
angle (degrees, anti-clockwise from east):-133.26
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_u 124.38 7.6 18.663 0.066 AB
SDSS_g 566.7 7.35 17.017 0.014 AB
PanSTARRS_g 602.22 3.03 16.951 0.005 AB
SDSS_r 1148.35 10.08 16.250 0.010 AB
PanSTARRS_r 1176.2 3.47 16.224 0.003 AB
SDSS_i 1686.49 13.41 15.833 0.009 AB
PanSTARRS_i 1586.25 4.12 15.899 0.003 AB
PanSTARRS_z 1989.61 6.5 15.653 0.004 AB
SDSS_z 1957.69 31.77 15.671 0.018 AB
PanSTARRS_y 2373.46 15.79 15.462 0.007 AB
2MASS_J 2968.76 215.69 14.324 0.079 Vega
2MASS_H 3393.26 328.97 13.706 0.105 Vega
2MASS_K 3498.73 409.34 13.202 0.127 Vega
WISE_W1 1457.46 27.49 13.292 0.020 Vega
WISE_W2 878.42 31.92 13.202 0.039 Vega
WISE_W3 1289.47 112.31 10.950 0.095 Vega
WISE_W4 1751.47 738.1 9.171 0.458 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.315 9.430 9.540
{\rm log}_{10}({\rm SFR}) -1.501 -0.959 -0.531
{\rm log}_{10}({\rm sSFR}) -10.973 -10.372 -9.898
{\rm stellar\ age} 6.033 7.461 10.106

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.105 -0.592 -0.137
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.083 -0.729 -0.366

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.392 0.672 0.973
\delta -0.578 -0.261 0.069
\tau_1/\tau_2 0.598 0.933 1.284
Q_{PAH} 1.041 3.057 5.289
U_{min} 3.091 8.099 14.600
{\rm log}_{10}(\gamma_e)\, -2.975 -1.634 -0.450

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.056 -0.739 -0.244
{\rm log}_{10}(\tau_{AGN})\, 1.100 1.636 2.017

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.312 -0.835 -0.498
0.03-0.10 Gyr -1.928 -1.097 -0.524
0.10-0.33 Gyr -2.175 -1.212 -0.636
0.33-1.07 Gyr -2.202 -1.142 -0.584
1.07-3.49 Gyr -2.028 -0.816 -0.427
3.49-11.41 Gyr -0.949 -0.489 -0.291
11.41-12.67 Gyr -0.958 -0.323 0.481

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.779 10.836 10.929
{\rm log}_{10}({\rm SFR}) -2.607 -1.011 0.023
{\rm log}_{10}({\rm sSFR}) -13.519 -11.857 -10.784
{\rm stellar\ age} 7.195 8.011 11.237

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.728 -0.554 -0.423
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.534 -0.477 0.248

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.092 0.186 0.311
\delta -0.757 -0.393 0.007
\tau_1/\tau_2 0.574 0.986 1.388
Q_{PAH} 0.938 3.050 5.428
U_{min} 2.512 8.367 16.006
{\rm log}_{10}(\gamma_e)\, -2.744 -1.514 -0.511

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.234 -3.130 -2.105
{\rm log}_{10}(\tau_{AGN})\, 1.070 1.545 1.923

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -3.178 -1.090 -0.371
0.03-0.10 Gyr -3.808 -1.272 0.124
0.10-0.33 Gyr -3.521 -1.109 0.161
0.33-1.07 Gyr -2.891 -0.883 0.055
1.07-3.49 Gyr -1.735 0.009 0.750
3.49-11.41 Gyr 0.147 0.999 1.128
11.41-12.67 Gyr 0.355 1.221 2.015