2026knb results

Information

Transient
Name:AT2026knb
Right ascension: 11h18m30.56s
Declination:-8d06m31.77s
Discovery Date:April 22, 2026, 8:39 p.m.
Classification:None
Redshift:None
MW E(B-V):0.034
Host
Name:J111830.49-080632.24
Right ascension: 11h18m30.49s
Declination:-8d06m32.24s
Redshift:None
Photometric Redshift:0.100
 

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
DES_g
DES_r
DES_z
SDSS_i
SDSS_r
SDSS_u
SDSS_z
SDSS_g
DES_i
DES_Y
 

Processing Status: completed

Task Name Status Time (s)
Cutout download processed 6.1
Transient MWEBV processed 0.03
Host match processed 5.33
Host information processed 0.09
Host MWEBV processed 0.05
Global aperture construction processed 0.61
Global aperture photometry processed 4.82
Validate global photometry processed 14.62
Global host SED inference processed 402.69
Local aperture photometry processed 4.97
Validate local photometry processed 0.02
Local host SED inference processed 508.69
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):11h18m30.56s, -8d06m31.77s
semi major axis, semi minor axis (arcsec):1.09, 1.09
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 170.79 0.94 18.319 0.006 AB
PanSTARRS_z 217.23 0.97 18.058 0.005 AB
DES_z 263.81 1.97 17.847 0.008 AB
PanSTARRS_y 232.5 1.8 17.984 0.008 AB

Aperture details

RA, DEC (J2000):11h18m30.49s, -8d06m32.10s
semi major axis, semi minor axis (arcsec):6.31, 6.03
angle (degrees, anti-clockwise from east):-86.07
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 75.94 6.21 19.199 0.089 AB
GALEX_NUV 130.18 3.84 18.614 0.032 AB
DES_g 649.51 1.04 16.869 0.002 AB
PanSTARRS_g 625.46 1.4 16.909 0.002 AB
PanSTARRS_r 884.19 1.78 16.534 0.002 AB
DES_r 967.01 2.33 16.436 0.003 AB
PanSTARRS_i 1170.02 2.01 16.230 0.002 AB
PanSTARRS_z 1261.97 5.12 16.147 0.004 AB
DES_z 1409.2 4.81 16.028 0.004 AB
PanSTARRS_y 1463.35 9.94 15.987 0.007 AB
2MASS_J 1646.49 174.13 14.964 0.115 Vega
2MASS_H 1744.71 262.13 14.428 0.163 Vega
2MASS_K 2271.43 330.39 13.671 0.158 Vega
WISE_W1 990.53 25.45 13.711 0.028 Vega
WISE_W2 729.79 26.74 13.403 0.040 Vega
WISE_W3 3317.24 93.53 9.924 0.031 Vega
WISE_W4 4138.4 684.13 8.238 0.179 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.624 9.812 9.957
{\rm log}_{10}({\rm SFR}) -0.596 0.031 0.686
{\rm log}_{10}({\rm sSFR}) -10.433 -9.799 -9.184
{\rm stellar\ age} 2.570 5.626 7.412

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.422 -0.871 -0.356
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.450 -0.661 0.112

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.119 0.394 0.770
\delta -0.691 -0.193 0.170
\tau_1/\tau_2 0.728 1.097 1.457
Q_{PAH} 0.569 1.817 4.372
U_{min} 3.192 8.469 15.640
{\rm log}_{10}(\gamma_e)\, -3.107 -1.719 -0.475

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.721 -1.605 -0.425
{\rm log}_{10}(\tau_{AGN})\, 0.955 1.503 1.994

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.790 -0.173 0.245
0.03-0.10 Gyr -0.766 0.047 0.806
0.10-0.33 Gyr -0.809 0.026 0.606
0.33-1.06 Gyr -1.023 -0.092 0.384
1.06-3.45 Gyr -1.007 -0.144 0.164
3.45-11.21 Gyr -1.173 -0.231 0.107
11.21-12.46 Gyr -1.334 -0.197 0.425

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.440 10.538 10.592
{\rm log}_{10}({\rm SFR}) 0.690 0.986 1.341
{\rm log}_{10}({\rm sSFR}) -9.860 -9.573 -9.162
{\rm stellar\ age} 4.951 6.074 7.051

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.383 -0.192 -0.058
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.886 0.234 0.410

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.096 0.166 0.310
\delta -0.753 -0.370 0.018
\tau_1/\tau_2 0.748 1.063 1.385
Q_{PAH} 0.924 2.245 3.886
U_{min} 2.093 6.695 13.160
{\rm log}_{10}(\gamma_e)\, -2.680 -1.853 -1.056

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.927 -1.826 -1.331
{\rm log}_{10}(\tau_{AGN})\, 1.198 1.615 1.930

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr 0.278 0.495 0.632
0.03-0.10 Gyr 0.756 1.108 1.484
0.10-0.33 Gyr 0.758 1.027 1.240
0.33-1.06 Gyr 0.188 0.632 0.878
1.06-3.45 Gyr 0.275 0.579 0.799
3.45-11.21 Gyr 0.331 0.585 0.722
11.21-12.46 Gyr 0.137 0.659 1.070