2026knk results

Information

Transient
Name:AT2026knk
Right ascension: 13h24m43.94s
Declination:16d55m44.04s
Discovery Date:April 20, 2026, 11:03 p.m.
Classification:None
Redshift:None
MW E(B-V):0.024
Host
Name:J132444.09+165544.20
Right ascension: 13h24m44.09s
Declination:16d55m44.20s
Redshift:None
Photometric Redshift:0.103
 

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 18.16
Transient MWEBV processed 0.04
Host match processed 5.31
Host information processed 0.1
Host MWEBV processed 0.04
Global aperture construction processed 0.62
Global aperture photometry processed 6.14
Validate global photometry processed 19.14
Global host SED inference processed 432.91
Local aperture photometry processed 5.94
Validate local photometry processed 0.02
Local host SED inference processed 528.95
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):13h24m43.94s, 16d55m44.04s
semi major axis, semi minor axis (arcsec):1.05, 1.05
angle (degrees, anti-clockwise from east):0.0
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_z 5.47 0.82 22.055 0.163 AB
PanSTARRS_y 7.64 1.77 21.693 0.251 AB

Aperture details

RA, DEC (J2000):13h24m44.10s, 16d55m44.21s
semi major axis, semi minor axis (arcsec):3.39, 2.94
angle (degrees, anti-clockwise from east):-145.88
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 4.37 2.08 22.299 0.516 AB
GALEX_NUV 7.43 2.01 21.722 0.293 AB
SDSS_u 6.38 3.29 21.888 0.561 AB
SDSS_g 28.7 1.68 20.255 0.063 AB
DES_g 31.13 0.69 20.167 0.024 AB
PanSTARRS_g 28.04 0.82 20.281 0.032 AB
SDSS_r 43.32 2.29 19.808 0.058 AB
PanSTARRS_r 41.11 1.34 19.865 0.035 AB
DES_r 47.93 1.02 19.699 0.023 AB
SDSS_i 53.45 3.22 19.580 0.065 AB
PanSTARRS_i 53.25 0.96 19.584 0.020 AB
PanSTARRS_z 61.14 1.55 19.434 0.028 AB
SDSS_z 34.41 11.98 20.058 0.378 AB
DES_z 61.41 2.67 19.429 0.047 AB
PanSTARRS_y 81.77 5.09 19.118 0.068 AB
2MASS_J 74.98 72.64 18.318 1.052 Vega
2MASS_H -120.06 124.61 Vega
2MASS_K 213.74 131.75 16.237 0.669 Vega
WISE_W1 23.17 6.61 17.789 0.310 Vega
WISE_W2 10.15 11.23 18.045 1.201 Vega
WISE_W3 -18.03 42.5 Vega
WISE_W4 474.44 302.8 10.590 0.693 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 7.549 8.157 8.569
{\rm log}_{10}({\rm SFR}) -1.190 -0.792 -0.321
{\rm log}_{10}({\rm sSFR}) -9.567 -8.825 -7.989
{\rm stellar\ age} 0.218 4.465 7.117

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.499 -0.667 -0.070
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.407 -0.635 0.145

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.726 1.223 1.944
\delta -0.278 0.054 0.265
\tau_1/\tau_2 0.453 0.868 1.301
Q_{PAH} 0.715 2.341 5.133
U_{min} 2.996 8.375 16.073
{\rm log}_{10}(\gamma_e)\, -3.249 -2.111 -0.632

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -1.500 -0.477 0.160
{\rm log}_{10}(\tau_{AGN})\, 0.932 1.436 1.857

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.998 -0.494 -0.017
0.03-0.10 Gyr -2.962 -1.366 -0.618
0.10-0.33 Gyr -4.148 -1.850 -1.086
0.33-1.06 Gyr -4.761 -2.013 -1.263
1.06-3.44 Gyr -5.014 -2.127 -1.437
3.44-11.17 Gyr -5.304 -2.112 -1.388
11.17-12.41 Gyr -5.493 -2.176 -1.176

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.097 9.270 9.382
{\rm log}_{10}({\rm SFR}) -1.030 -0.376 0.225
{\rm log}_{10}({\rm sSFR}) -10.331 -9.668 -8.940
{\rm stellar\ age} 2.989 5.715 7.176

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.347 -0.573 -0.125
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.164 0.002 0.322

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.118 0.361 0.702
\delta -0.421 -0.041 0.229
\tau_1/\tau_2 0.625 0.990 1.380
Q_{PAH} 0.647 1.985 3.971
U_{min} 2.808 8.910 16.789
{\rm log}_{10}(\gamma_e)\, -2.605 -1.498 -0.602

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.450 -1.321 -0.506
{\rm log}_{10}(\tau_{AGN})\, 1.321 1.690 1.922

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.857 -1.305 -0.767
0.03-0.10 Gyr -0.970 -0.247 0.380
0.10-0.33 Gyr -0.803 -0.195 0.185
0.33-1.06 Gyr -1.696 -0.595 -0.265
1.06-3.44 Gyr -1.995 -0.733 -0.435
3.44-11.17 Gyr -1.921 -0.726 -0.503
11.17-12.41 Gyr -2.096 -0.743 -0.116