2026gcf results

Information

Transient
Name:AT2026gcf
Right ascension: 8h20m08.61s
Declination:22d13m46.21s
Discovery Date:Feb. 4, 2026, 6:46 p.m.
Classification:None
Redshift:None
MW E(B-V):0.040
Host
Name:
Right ascension: 8h20m08.98s
Declination:22d13m42.46s
Redshift:0.095189
Photometric Redshift:None
 

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_r
DES_g
DES_i
DES_z
DES_Y
 

Processing Status: completed

Task Name Status Time (s)
Cutout download processed 16.2
Transient MWEBV processed 0.11
Host match processed 5.4
Host information processed 0.13
Host MWEBV processed 0.1
Global aperture construction processed 0.64
Global aperture photometry processed 5.3
Validate global photometry processed 15.48
Global host SED inference processed 414.43
Local aperture photometry processed 5.23
Validate local photometry processed 0.02
Local host SED inference processed 488.8
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):8h20m08.61s, 22d13m46.21s
semi major axis, semi minor axis (arcsec):1.13, 1.13
angle (degrees, anti-clockwise from east):0.0
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_r 2.0 0.18 23.147 0.096 AB
PanSTARRS_i 3.37 0.3 22.581 0.096 AB
PanSTARRS_z 3.55 0.76 22.524 0.232 AB
PanSTARRS_y -0.03 1.86 AB

Aperture details

RA, DEC (J2000):8h20m08.97s, 22d13m42.72s
semi major axis, semi minor axis (arcsec):7.42, 4.62
angle (degrees, anti-clockwise from east):-65.66
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 7.81 0.81 21.668 0.113 AB
GALEX_NUV 16.81 0.78 20.836 0.051 AB
SDSS_u 25.47 5.24 20.385 0.223 AB
SDSS_g 146.96 3.62 18.482 0.027 AB
PanSTARRS_g 157.28 1.35 18.408 0.009 AB
SDSS_r 289.99 5.15 17.744 0.019 AB
PanSTARRS_r 274.11 1.23 17.805 0.005 AB
DES_r 295.91 1.62 17.722 0.006 AB
SDSS_i 393.62 6.4 17.412 0.018 AB
PanSTARRS_i 381.74 1.55 17.446 0.004 AB
PanSTARRS_z 460.14 3.91 17.243 0.009 AB
SDSS_z 515.02 15.15 17.120 0.032 AB
PanSTARRS_y 496.12 9.56 17.161 0.021 AB
WISE_W1 272.26 13.57 15.114 0.054 Vega
WISE_W2 194.15 16.52 14.841 0.092 Vega
WISE_W3 629.32 86.3 11.729 0.149 Vega
WISE_W4 440.76 517.99 10.669 1.276 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 7.600 8.187 8.570
{\rm log}_{10}({\rm SFR}) -1.098 -0.643 -0.124
{\rm log}_{10}({\rm sSFR}) -9.469 -8.629 -7.963
{\rm stellar\ age} 0.063 3.766 6.931

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.304 -0.526 0.006
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.421 -0.775 -0.096

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 1.464 2.001 2.820
\delta 0.118 0.252 0.348
\tau_1/\tau_2 0.739 1.101 1.497
Q_{PAH} 0.888 2.670 5.153
U_{min} 2.976 8.705 16.240
{\rm log}_{10}(\gamma_e)\, -3.193 -2.082 -0.725

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.263 -0.665 0.154
{\rm log}_{10}(\tau_{AGN})\, 0.960 1.378 1.828

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.945 -0.375 0.138
0.03-0.10 Gyr -2.575 -1.169 -0.394
0.10-0.33 Gyr -4.217 -1.762 -1.030
0.33-1.06 Gyr -5.416 -2.145 -1.369
1.06-3.46 Gyr -6.074 -2.264 -1.438
3.46-11.26 Gyr -6.812 -2.356 -1.395
11.26-12.51 Gyr -7.069 -2.371 -1.200

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.268 10.339 10.439
{\rm log}_{10}({\rm SFR}) -0.533 -0.177 0.268
{\rm log}_{10}({\rm sSFR}) -10.849 -10.500 -10.045
{\rm stellar\ age} 7.329 8.991 11.597

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.217 -0.898 -0.701
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.693 -0.586 0.239

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.087 0.195 0.347
\delta -0.553 -0.209 0.077
\tau_1/\tau_2 0.584 1.011 1.444
Q_{PAH} 0.655 1.876 3.830
U_{min} 2.749 8.769 16.492
{\rm log}_{10}(\gamma_e)\, -2.643 -1.615 -0.654

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.993 -1.673 -1.250
{\rm log}_{10}(\tau_{AGN})\, 1.250 1.573 1.846

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.673 -0.678 -0.402
0.03-0.10 Gyr -0.506 -0.065 0.419
0.10-0.33 Gyr -1.428 -0.235 0.159
0.33-1.06 Gyr -2.958 -0.696 -0.199
1.06-3.46 Gyr -2.968 -0.763 -0.084
3.46-11.26 Gyr -0.961 0.390 0.579
11.26-12.51 Gyr 0.262 1.100 1.573