2026sgy results

Information

Transient
Name:AT2026sgy
Right ascension: 22h05m48.52s
Declination:-12d52m17.57s
Discovery Date:June 26, 2026, 9:50 a.m.
Classification:None
Redshift:None
MW E(B-V):0.033
Host
Name:J220548.48-125217.73
Object ID:9906616725801818
Catalog Name:decals
Catalog Release:dr9
Right ascension: 22h05m48.48s
Declination:-12d52m17.73s
Redshift:None
Photometric Redshift:0.100
 

Cutout Download Report

Downloaded Unavailable
2MASS_H
2MASS_J
2MASS_K
WISE_W1
WISE_W2
WISE_W3
WISE_W4
GALEX_NUV
PanSTARRS_g
PanSTARRS_r
PanSTARRS_i
PanSTARRS_z
PanSTARRS_y
GALEX_FUV
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 4.81
Transient MWEBV processed 0.09
Host match processed 4.98
Host information processed 0.11
Host MWEBV processed 0.05
Global aperture construction processed 0.62
Global aperture photometry processed 3.73
Validate global photometry processed 11.44
Global host SED inference processed 419.01
Local aperture photometry processed 3.73
Validate local photometry processed 0.02
Local host SED inference processed 570.75
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):22h05m48.52s, -12d52m17.57s
semi major axis, semi minor axis (arcsec):1.08, 1.08
angle (degrees, anti-clockwise from east):0.0
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_z 41.99 1.07 19.842 0.028 AB
PanSTARRS_y 45.54 2.4 19.754 0.057 AB

Aperture details

RA, DEC (J2000):22h05m48.47s, -12d52m17.53s
semi major axis, semi minor axis (arcsec):4.59, 2.64
angle (degrees, anti-clockwise from east):-35.39
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_NUV 20.78 3.3 20.606 0.172 AB
PanSTARRS_g 77.06 0.84 19.183 0.012 AB
PanSTARRS_r 92.97 0.79 18.979 0.009 AB
PanSTARRS_i 114.2 0.78 18.756 0.007 AB
PanSTARRS_z 118.75 3.34 18.713 0.031 AB
PanSTARRS_y 128.04 7.49 18.632 0.063 AB
2MASS_J 220.33 100.06 17.147 0.493 Vega
2MASS_H 190.73 139.52 16.831 0.794 Vega
2MASS_K 231.47 187.45 16.151 0.879 Vega
WISE_W1 51.41 11.27 16.923 0.238 Vega
WISE_W2 32.8 13.34 16.771 0.442 Vega
WISE_W3 43.8 66.68 14.622 1.653 Vega
WISE_W4 465.49 388.12 10.610 0.905 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.856 9.210 9.416
{\rm log}_{10}({\rm SFR}) -1.060 -0.466 0.150
{\rm log}_{10}({\rm sSFR}) -10.301 -9.637 -8.860
{\rm stellar\ age} 2.204 6.023 8.251

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.571 -0.809 0.004
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.205 -0.602 0.090

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.363 0.712 1.192
\delta -0.689 -0.261 0.151
\tau_1/\tau_2 0.451 0.883 1.340
Q_{PAH} 0.566 2.161 5.109
U_{min} 3.051 8.333 15.590
{\rm log}_{10}(\gamma_e)\, -3.138 -2.119 -0.851

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.020 -1.004 -0.065
{\rm log}_{10}(\tau_{AGN})\, 1.033 1.443 1.975

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.864 -0.294 0.239
0.03-0.10 Gyr -2.053 -0.790 0.039
0.10-0.33 Gyr -2.743 -1.102 -0.299
0.33-1.06 Gyr -2.909 -1.016 -0.348
1.06-3.44 Gyr -2.761 -0.973 -0.523
3.44-11.20 Gyr -2.217 -0.878 -0.453
11.20-12.45 Gyr -2.182 -0.842 -0.009

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.189 9.407 9.552
{\rm log}_{10}({\rm SFR}) -0.499 -0.081 0.250
{\rm log}_{10}({\rm sSFR}) -9.911 -9.517 -9.074
{\rm stellar\ age} 2.827 5.252 6.643

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.586 -1.133 -0.303
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.547 -0.675 0.154

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.077 0.181 0.316
\delta -0.570 -0.134 0.198
\tau_1/\tau_2 0.662 1.027 1.400
Q_{PAH} 0.837 2.250 4.023
U_{min} 2.596 7.753 15.156
{\rm log}_{10}(\gamma_e)\, -2.527 -1.479 -0.676

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.806 -1.945 -1.177
{\rm log}_{10}(\tau_{AGN})\, 1.086 1.537 1.901

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.031 -0.716 -0.449
0.03-0.10 Gyr -0.430 0.046 0.397
0.10-0.33 Gyr -0.152 0.173 0.455
0.33-1.06 Gyr -0.932 -0.317 -0.034
1.06-3.44 Gyr -1.206 -0.566 -0.301
3.44-11.20 Gyr -1.308 -0.639 -0.347
11.20-12.45 Gyr -1.477 -0.622 -0.078