2026gcg results

Information

Transient
Name:AT2026gcg
Right ascension: 8h13m36.88s
Declination:27d20m38.91s
Discovery Date:Feb. 4, 2026, 6:54 p.m.
Classification:None
Redshift:None
MW E(B-V):0.028
Host
Name:SDSSJ081336.81+27204
Right ascension: 8h13m36.72s
Declination:27d20m41.96s
Redshift:None
Photometric Redshift:0.141
 

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_z
 DES_i
DES_Y
 

Processing Status: blocked

Task Name Status Time (s)
Cutout download processed 19.09
Transient MWEBV processed 0.04
Host match processed 3.94
Host information processed 0.15
Host MWEBV processed 0.04
Global aperture construction processed 0.63
Global aperture photometry processed 6.47
Validate global photometry processed 19.17
Global host SED inference processed 367.76
Local aperture photometry processed 6.45
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):8h13m36.79s, 27d20m42.13s
semi major axis, semi minor axis (arcsec):6.7, 4.36
angle (degrees, anti-clockwise from east):-8.1
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 5.36 0.67 22.077 0.136 AB
GALEX_NUV 11.02 0.66 21.295 0.065 AB
SDSS_u 32.8 4.24 20.110 0.140 AB
SDSS_g 187.12 3.87 18.220 0.022 AB
DES_g 213.9 0.72 18.074 0.004 AB
PanSTARRS_g 215.84 1.33 18.065 0.007 AB
SDSS_r 426.19 5.96 17.326 0.015 AB
PanSTARRS_r 422.59 1.11 17.335 0.003 AB
DES_r 467.19 2.02 17.226 0.005 AB
SDSS_i 685.53 7.8 16.810 0.012 AB
PanSTARRS_i 669.1 1.52 16.836 0.002 AB
PanSTARRS_z 830.66 3.91 16.601 0.005 AB
SDSS_z 806.76 17.56 16.633 0.024 AB
DES_z 885.54 6.54 16.532 0.008 AB
PanSTARRS_y 1023.08 9.91 16.375 0.011 AB
2MASS_J 1344.72 95.88 15.184 0.077 Vega
2MASS_H 2211.23 138.93 14.171 0.068 Vega
2MASS_K 2290.16 169.4 13.663 0.080 Vega
WISE_W1 992.12 20.03 13.710 0.022 Vega
WISE_W2 841.86 25.49 13.248 0.033 Vega
WISE_W3 4633.46 106.81 9.561 0.025 Vega
WISE_W4 6637.53 893.62 7.725 0.146 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})\, 10.833 10.896 10.936
{\rm log}_{10}({\rm SFR}) 0.536 0.707 0.889
{\rm log}_{10}({\rm sSFR}) -10.373 -10.178 -9.977
{\rm stellar\ age} 4.738 5.762 6.586

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.325 -0.108 0.038
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, 0.110 0.269 0.392

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.501 0.625 0.791
\delta -0.456 -0.321 -0.206
\tau_1/\tau_2 0.641 0.931 1.242
Q_{PAH} 0.598 1.633 3.112
U_{min} 2.033 6.470 13.370
{\rm log}_{10}(\gamma_e)\, -2.959 -1.895 -0.994

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.291 -1.443 -1.034
{\rm log}_{10}(\tau_{AGN})\, 1.338 1.681 1.950

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr 0.788 0.912 1.040
0.03-0.10 Gyr 0.248 0.572 0.852
0.10-0.32 Gyr 0.510 0.820 1.075
0.32-1.04 Gyr 0.953 1.134 1.305
1.04-3.34 Gyr 0.891 1.079 1.259
3.34-10.77 Gyr 0.767 0.989 1.102
10.77-11.96 Gyr 0.352 0.943 1.350