2026qch results

Information

Transient
Name:AT2026qch
Right ascension: 22h53m05.59s
Declination:18d28m12.24s
Discovery Date:June 22, 2026, 1:36 p.m.
Classification:None
Redshift:None
MW E(B-V):0.059
Host
Name:J225305.67+182810.99
Object ID:9906628374694477
Catalog Name:decals
Catalog Release:dr9
Right ascension: 22h53m05.67s
Declination:18d28m10.99s
Redshift:None
Photometric Redshift:0.198
 

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 19.04
Transient MWEBV processed 0.13
Host match processed 6.81
Host information processed 0.12
Host MWEBV processed 0.21
Global aperture construction processed 2.81
Global aperture photometry processed 4.69
Validate global photometry processed 16.29
Global host SED inference processed 586.76
Local aperture photometry processed 4.49
Validate local photometry no valid phot 0.03
Local host SED inference not processed None
 

Imaging data


 

Spectral Energy Distribution


 

Aperture Photometry


Aperture details

Data not available


Aperture details

RA, DEC (J2000):22h53m05.64s, 18d28m11.57s
semi major axis, semi minor axis (arcsec):4.22, 3.44
angle (degrees, anti-clockwise from east):-64.89
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 1.92 0.5 23.194 0.285 AB
GALEX_NUV 2.59 0.33 22.869 0.140 AB
SDSS_u 18.95 4.08 20.706 0.233 AB
SDSS_g 8.89 1.46 21.527 0.178 AB
PanSTARRS_g 12.74 0.95 21.137 0.081 AB
SDSS_r 13.26 2.52 21.094 0.206 AB
PanSTARRS_r 18.65 1.2 20.723 0.070 AB
SDSS_i 26.12 4.1 20.357 0.170 AB
PanSTARRS_i 25.01 1.18 20.405 0.051 AB
PanSTARRS_z 29.08 2.74 20.241 0.102 AB
SDSS_z 4.83 14.38 22.190 3.230 AB
PanSTARRS_y 38.86 6.09 19.926 0.170 AB
2MASS_J 178.59 108.2 17.375 0.658 Vega
2MASS_H 206.04 164.49 16.747 0.867 Vega
2MASS_K 2.34 210.38 21.141 97.794 Vega
WISE_W1 13.12 11.5 18.406 0.952 Vega
WISE_W2 27.25 13.42 16.973 0.535 Vega
WISE_W3 35.58 64.39 14.848 1.965 Vega
WISE_W4 -586.1 449.17 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})\, 9.004 9.443 9.754
{\rm log}_{10}({\rm SFR}) 0.702 1.128 1.631
{\rm log}_{10}({\rm sSFR}) -8.742 -7.995 -7.913
{\rm stellar\ age} 0.065 0.253 4.951

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.687 -1.072 -0.125
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.424 -0.099 0.319

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.753 1.331 2.097
\delta -0.016 0.154 0.279
\tau_1/\tau_2 0.382 0.925 1.482
Q_{PAH} 0.718 2.542 4.756
U_{min} 4.031 10.863 18.792
{\rm log}_{10}(\gamma_e)\, -3.181 -1.796 -0.730

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.992 -2.100 -0.469
{\rm log}_{10}(\tau_{AGN})\, 0.952 1.338 1.795

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.668 -0.291 0.369
0.03-0.10 Gyr 0.828 1.274 1.792
0.10-0.32 Gyr -2.792 -1.135 0.549
0.32-1.01 Gyr -5.590 -2.734 -0.494
1.01-3.21 Gyr -7.391 -3.385 -0.569
3.21-10.20 Gyr -7.981 -3.262 -0.637
10.20-11.33 Gyr -8.340 -2.988 -0.284