2026qsn results

Information

Transient
Name:AT2026qsn
Right ascension: 23h55m30.18s
Declination:-0d54m27.98s
Discovery Date:June 28, 2026, 9:36 a.m.
Classification:None
Redshift:None
MW E(B-V):
Host
Name:1131667
Object ID:2668837.0
Catalog Name:glade
Catalog Release:latest
Right ascension: 23h55m30.48s
Declination:-0d54m28.44s
Redshift:None
Photometric Redshift:0.081
 

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: completed

Task Name Status Time (s)
Cutout download processed 16.86
Transient MWEBV processed 0.12
Host match processed 5.4
Host information processed 0.07
Host MWEBV processed 0.11
Global aperture construction processed 0.64
Global aperture photometry processed 4.89
Validate global photometry processed 15.58
Global host SED inference processed 625.68
Local aperture photometry processed 4.8
Validate local photometry processed 0.02
Local host SED inference processed 401.21
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):23h55m30.18s, -0d54m27.98s
semi major axis, semi minor axis (arcsec):1.31, 1.31
angle (degrees, anti-clockwise from east):0.0
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_g 21.42 0.4 20.573 0.020 AB
PanSTARRS_r 32.03 0.35 20.136 0.012 AB
SDSS_i 42.23 2.03 19.836 0.052 AB
PanSTARRS_i 45.04 0.44 19.766 0.011 AB
PanSTARRS_z 51.41 1.03 19.622 0.022 AB
SDSS_z 48.92 4.0 19.676 0.089 AB
PanSTARRS_y 63.43 2.09 19.394 0.036 AB

Aperture details

RA, DEC (J2000):23h55m30.34s, -0d54m28.48s
semi major axis, semi minor axis (arcsec):11.71, 11.03
angle (degrees, anti-clockwise from east):-97.33
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 68.87 1.56 19.305 0.025 AB
GALEX_NUV 90.96 1.07 19.003 0.013 AB
SDSS_u 241.54 9.77 17.943 0.044 AB
SDSS_g 546.42 7.43 17.056 0.015 AB
PanSTARRS_g 534.68 3.34 17.080 0.007 AB
SDSS_r 814.0 9.31 16.623 0.012 AB
PanSTARRS_r 709.02 2.94 16.773 0.005 AB
PanSTARRS_i 997.81 3.73 16.402 0.004 AB
PanSTARRS_z 1100.72 8.84 16.296 0.009 AB
SDSS_z 1367.53 32.62 16.060 0.026 AB
PanSTARRS_y 1339.65 17.98 16.083 0.015 AB
2MASS_J 1987.97 268.56 14.759 0.147 Vega
2MASS_H 1605.05 448.02 14.519 0.303 Vega
2MASS_K 1994.05 499.21 13.813 0.272 Vega
WISE_W1 701.48 20.79 14.086 0.032 Vega
WISE_W2 458.15 27.95 13.908 0.066 Vega
WISE_W3 969.43 137.61 11.260 0.154 Vega
WISE_W4 1649.49 661.33 9.237 0.435 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.851 9.051 9.165
{\rm log}_{10}({\rm SFR}) -1.547 -0.860 -0.142
{\rm log}_{10}({\rm sSFR}) -10.646 -9.913 -9.053
{\rm stellar\ age} 1.568 5.425 7.198

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.070 -0.463 -0.054
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.493 -0.670 0.100

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.220 0.708 1.125
\delta -0.535 -0.151 0.159
\tau_1/\tau_2 0.663 1.038 1.387
Q_{PAH} 0.904 2.836 5.583
U_{min} 3.055 8.390 15.380
{\rm log}_{10}(\gamma_e)\, -3.054 -1.923 -0.858

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.377 -0.783 -0.018
{\rm log}_{10}(\tau_{AGN})\, 1.087 1.410 1.921

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.512 -1.006 -0.664
0.03-0.10 Gyr -1.763 -0.873 -0.018
0.10-0.33 Gyr -1.648 -0.785 -0.154
0.33-1.07 Gyr -1.500 -0.759 -0.185
1.07-3.49 Gyr -2.042 -0.911 -0.621
3.49-11.42 Gyr -2.564 -1.021 -0.723
11.42-12.69 Gyr -2.560 -1.048 -0.489

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.097 10.256 10.344
{\rm log}_{10}({\rm SFR}) 0.993 1.167 1.443
{\rm log}_{10}({\rm sSFR}) -9.305 -9.067 -8.663
{\rm stellar\ age} 5.509 6.998 9.325

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.427 -0.304 -0.219
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.712 0.017 0.315

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.153 0.217 0.372
\delta -0.913 -0.717 -0.456
\tau_1/\tau_2 0.522 0.965 1.430
Q_{PAH} 0.217 0.729 1.569
U_{min} 1.858 5.995 13.184
{\rm log}_{10}(\gamma_e)\, -3.624 -3.073 -1.954

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.479 -3.632 -2.695
{\rm log}_{10}(\tau_{AGN})\, 1.114 1.610 1.950

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.192 -0.377 0.007
0.03-0.10 Gyr 1.150 1.326 1.603
0.10-0.33 Gyr -2.221 -0.190 0.461
0.33-1.07 Gyr -3.539 -0.464 0.140
1.07-3.49 Gyr -2.226 -0.035 0.358
3.49-11.42 Gyr -0.563 0.283 0.478
11.42-12.69 Gyr -0.504 0.507 1.219