2026kch results

Information

Transient
Name:AT2026kch
Right ascension: 9h44m35.28s
Declination:-4d50m30.86s
Discovery Date:April 16, 2026, 4:34 a.m.
Classification:None
Redshift:None
MW E(B-V):0.044
Host
Name:
Right ascension: 9h44m35.08s
Declination:-4d50m28.11s
Redshift:None
Photometric Redshift:0.062
 

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 6.7
Transient MWEBV processed 0.04
Host match processed 4.86
Host information processed 0.09
Host MWEBV processed 0.11
Global aperture construction processed 0.64
Global aperture photometry processed 4.89
Validate global photometry processed 14.44
Global host SED inference processed 1080.66
Local aperture photometry processed 4.71
Validate local photometry processed 0.02
Local host SED inference processed 466.25
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):9h44m35.28s, -4d50m30.86s
semi major axis, semi minor axis (arcsec):1.67, 1.67
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 50.02 0.4 19.652 0.009 AB
PanSTARRS_g 46.86 0.51 19.723 0.012 AB
PanSTARRS_r 92.35 0.57 18.986 0.007 AB
DES_r 110.52 0.85 18.791 0.008 AB
PanSTARRS_i 137.68 0.51 18.553 0.004 AB
PanSTARRS_z 186.32 1.17 18.224 0.007 AB
DES_z 232.25 2.2 17.985 0.010 AB
PanSTARRS_y 217.32 3.27 18.057 0.016 AB

Aperture details

RA, DEC (J2000):9h44m35.07s, -4d50m27.87s
semi major axis, semi minor axis (arcsec):21.07, 5.21
angle (degrees, anti-clockwise from east):-48.7
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 18.95 3.47 20.706 0.199 AB
DES_g 294.64 1.2 17.727 0.004 AB
PanSTARRS_g 496.92 3.05 17.159 0.007 AB
PanSTARRS_r 967.5 3.33 16.436 0.004 AB
DES_r 680.49 2.49 16.818 0.004 AB
PanSTARRS_i 1442.07 3.0 16.003 0.002 AB
PanSTARRS_z 1812.8 7.26 15.754 0.004 AB
DES_z 1362.98 6.56 16.064 0.005 AB
2MASS_J 3223.73 303.25 14.234 0.102 Vega
2MASS_H 3885.49 487.34 13.559 0.136 Vega
2MASS_K 3530.81 539.87 13.193 0.166 Vega
WISE_W1 2397.16 33.45 12.752 0.015 Vega
WISE_W2 1563.3 39.24 12.576 0.027 Vega
WISE_W4 3282.41 867.08 8.490 0.287 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.551 9.648 9.732
{\rm log}_{10}({\rm SFR}) -1.620 -0.925 -0.370
{\rm log}_{10}({\rm sSFR}) -11.286 -10.603 -10.021
{\rm stellar\ age} 5.693 7.303 8.836

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.405 -0.056 0.117
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.785 -1.202 -0.208

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.231 0.629 1.236
\delta -0.679 -0.165 0.221
\tau_1/\tau_2 0.627 0.972 1.311
Q_{PAH} 0.943 2.692 5.271
U_{min} 3.095 8.177 15.089
{\rm log}_{10}(\gamma_e)\, -2.948 -1.595 -0.554

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.555 -0.912 -0.153
{\rm log}_{10}(\tau_{AGN})\, 1.001 1.426 1.919

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.768 -1.023 -0.520
0.03-0.10 Gyr -1.703 -0.937 -0.317
0.10-0.33 Gyr -1.537 -0.841 -0.280
0.33-1.08 Gyr -1.431 -0.744 -0.209
1.08-3.54 Gyr -1.187 -0.483 -0.154
3.54-11.64 Gyr -0.608 -0.245 -0.105
11.64-12.93 Gyr -0.780 -0.192 0.381

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.753 10.849 10.943
{\rm log}_{10}({\rm SFR}) -0.168 0.374 0.792
{\rm log}_{10}({\rm sSFR}) -11.090 -10.477 -9.994
{\rm stellar\ age} 7.583 10.660 12.226

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.824 -1.509 -1.112
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.199 -0.965 -0.516

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 1.148 1.309 1.478
\delta -0.010 0.167 0.311
\tau_1/\tau_2 0.316 0.749 1.234
Q_{PAH} 1.150 2.578 4.650
U_{min} 3.086 9.171 17.109
{\rm log}_{10}(\gamma_e)\, -3.461 -2.767 -1.973

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.468 -2.259 -1.526
{\rm log}_{10}(\tau_{AGN})\, 1.147 1.681 2.013

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.047 0.462 0.839
0.03-0.10 Gyr -1.292 0.195 0.826
0.10-0.33 Gyr -3.887 -1.592 0.157
0.33-1.08 Gyr -5.658 -2.989 -0.499
1.08-3.54 Gyr -3.853 -1.943 -0.069
3.54-11.64 Gyr -1.511 0.643 1.092
11.64-12.93 Gyr -0.039 1.819 2.074