2026koa results

Information

Transient
Name:AT2026koa
Right ascension: 9h31m43.00s
Declination:44d49m23.14s
Discovery Date:April 20, 2026, 7:12 a.m.
Classification:None
Redshift:None
MW E(B-V):0.019
Host
Name:J093142.89+444924.69
Object ID:9907736220861516
Catalog Name:decals
Catalog Release:dr9
Right ascension: 9h31m42.89s
Declination:44d49m24.69s
Redshift:None
Photometric Redshift:0.117
 

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_i
DES_z
DES_Y
 

Processing Status: blocked

Task Name Status Time (s)
Cutout download processed 17.17
Transient MWEBV processed 0.14
Host match processed 5.21
Host information processed 0.12
Host MWEBV processed 0.06
Global aperture construction processed 2.79
Global aperture photometry processed 4.79
Validate global photometry processed 14.26
Global host SED inference processed 451.8
Local aperture photometry processed 4.27
Validate local photometry no valid phot 0.02
Local host SED inference not processed None
 

Imaging data


 

Spectral Energy Distribution


 

Aperture Photometry


Aperture details

Data not available


Aperture details

RA, DEC (J2000):9h31m42.88s, 44d49m24.89s
semi major axis, semi minor axis (arcsec):4.85, 3.65
angle (degrees, anti-clockwise from east):-0.09
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 12.27 3.45 21.178 0.305 AB
GALEX_NUV 7.7 2.16 21.684 0.305 AB
SDSS_u 6.11 2.9 21.935 0.516 AB
SDSS_g 29.76 1.92 20.216 0.070 AB
PanSTARRS_g 22.66 1.21 20.512 0.058 AB
SDSS_r 32.97 2.39 20.105 0.079 AB
PanSTARRS_r 36.31 1.06 20.000 0.032 AB
SDSS_i 40.26 3.61 19.888 0.097 AB
PanSTARRS_i 43.65 1.23 19.800 0.031 AB
PanSTARRS_z 37.35 2.84 19.969 0.083 AB
SDSS_z 62.84 10.44 19.404 0.180 AB
PanSTARRS_y 73.93 6.47 19.228 0.095 AB
2MASS_J 55.29 97.47 18.648 1.914 Vega
2MASS_H -238.22 147.23 Vega
2MASS_K -152.14 148.2 Vega
WISE_W1 21.15 6.81 17.888 0.349 Vega
WISE_W2 18.68 10.06 17.383 0.585 Vega
WISE_W3 64.56 47.7 14.201 0.802 Vega
WISE_W4 258.24 368.88 11.250 1.551 Vega
 

Host SED inference


Local parameter details

Documentation

Data not available


Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.989 9.203 9.339
{\rm log}_{10}({\rm SFR}) -0.384 -0.054 0.267
{\rm log}_{10}({\rm sSFR}) -9.657 -9.280 -8.786
{\rm stellar\ age} 3.327 5.612 7.009

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.217 -0.397 -0.044
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.202 -0.031 0.102

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.138 0.366 0.749
\delta 0.005 0.237 0.351
\tau_1/\tau_2 0.720 1.128 1.544
Q_{PAH} 0.573 1.686 3.412
U_{min} 2.751 8.110 15.042
{\rm log}_{10}(\gamma_e)\, -2.501 -1.440 -0.533

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.777 -1.821 -0.766
{\rm log}_{10}(\tau_{AGN})\, 1.134 1.530 1.880

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.597 -0.345 -0.093
0.03-0.10 Gyr -0.362 0.026 0.383
0.10-0.32 Gyr -0.756 -0.331 0.036
0.32-1.05 Gyr -1.327 -0.749 -0.418
1.05-3.40 Gyr -1.311 -0.784 -0.522
3.40-11.03 Gyr -1.392 -0.791 -0.542
11.03-12.25 Gyr -1.567 -0.734 -0.227