2026kcg results

Information

Transient
Name:AT2026kcg
Right ascension: 8h30m27.45s
Declination:21d09m44.10s
Discovery Date:April 17, 2026, 6:12 a.m.
Classification:None
Redshift:None
MW E(B-V):0.037
Host
Name:23871
Right ascension: 8h30m27.12s
Declination:21d09m44.24s
Redshift:None
Photometric Redshift:0.045
 

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 18.92
Transient MWEBV processed 0.17
Host match processed 5.49
Host information processed 0.12
Host MWEBV processed 0.09
Global aperture construction processed 0.64
Global aperture photometry processed 6.17
Validate global photometry processed 19.81
Global host SED inference processed 1244.65
Local aperture photometry processed 6.17
Validate local photometry processed 0.03
Local host SED inference processed 465.84
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):8h30m27.45s, 21d09m44.10s
semi major axis, semi minor axis (arcsec):2.27, 2.27
angle (degrees, anti-clockwise from east):0.0
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_u 33.81 2.21 20.077 0.071 AB
SDSS_g 124.2 3.02 18.665 0.026 AB
DES_g 131.94 0.69 18.599 0.006 AB
PanSTARRS_g 138.32 0.6 18.548 0.005 AB
SDSS_r 239.16 4.16 17.953 0.019 AB
PanSTARRS_r 253.05 0.78 17.892 0.003 AB
DES_r 269.84 1.64 17.822 0.007 AB
SDSS_i 341.27 5.24 17.567 0.017 AB
PanSTARRS_i 357.89 0.78 17.516 0.002 AB
PanSTARRS_z 424.73 2.55 17.330 0.007 AB
SDSS_z 438.12 7.75 17.296 0.019 AB
PanSTARRS_y 517.58 4.31 17.115 0.009 AB

Aperture details

RA, DEC (J2000):8h30m27.21s, 21d09m43.84s
semi major axis, semi minor axis (arcsec):16.9, 13.49
angle (degrees, anti-clockwise from east):-78.57
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 126.13 2.91 18.648 0.025 AB
GALEX_NUV 181.93 2.16 18.250 0.013 AB
SDSS_u 429.66 12.54 17.317 0.032 AB
SDSS_g 1598.83 11.97 15.890 0.008 AB
DES_g 1722.54 2.73 15.810 0.002 AB
PanSTARRS_g 1710.43 3.71 15.817 0.002 AB
SDSS_r 2880.27 15.76 15.251 0.006 AB
PanSTARRS_r 2935.83 5.2 15.231 0.002 AB
DES_r 3176.09 5.95 15.145 0.002 AB
SDSS_i 4027.96 21.85 14.887 0.006 AB
PanSTARRS_i 4072.3 5.07 14.875 0.001 AB
PanSTARRS_z 4568.7 17.16 14.751 0.004 AB
SDSS_z 4776.01 41.5 14.702 0.009 AB
PanSTARRS_y 5740.78 29.01 14.503 0.005 AB
2MASS_J 7259.39 385.62 13.353 0.058 Vega
2MASS_H 8446.21 566.15 12.716 0.073 Vega
2MASS_K 6391.34 597.03 12.548 0.101 Vega
WISE_W1 2835.98 525.85 12.569 0.201 Vega
WISE_W2 3342.18 278.11 11.751 0.090 Vega
WISE_W3 5838.61 503.39 9.310 0.094 Vega
WISE_W4 3757.99 1247.11 8.343 0.360 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.519 9.639 9.761
{\rm log}_{10}({\rm SFR}) -1.377 -0.674 -0.033
{\rm log}_{10}({\rm sSFR}) -11.063 -10.349 -9.660
{\rm stellar\ age} 5.882 7.490 9.815

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.509 -0.909 -0.485
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.713 0.063 0.346

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.311 0.803 1.174
\delta -0.589 -0.215 0.095
\tau_1/\tau_2 0.621 0.964 1.327
Q_{PAH} 0.491 1.886 3.996
U_{min} 2.581 7.796 14.701
{\rm log}_{10}(\gamma_e)\, -3.423 -2.081 -1.078

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.007 -2.103 -0.703
{\rm log}_{10}(\tau_{AGN})\, 0.887 1.331 1.839

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.250 -0.691 -0.298
0.03-0.10 Gyr -1.635 -0.717 0.035
0.10-0.33 Gyr -1.747 -0.737 -0.100
0.33-1.09 Gyr -1.793 -0.740 -0.256
1.09-3.59 Gyr -1.517 -0.537 -0.196
3.59-11.84 Gyr -0.709 -0.292 -0.095
11.84-13.16 Gyr -0.742 -0.137 0.563

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.619 10.682 10.765
{\rm log}_{10}({\rm SFR}) -0.092 0.132 0.371
{\rm log}_{10}({\rm sSFR}) -10.781 -10.548 -10.281
{\rm stellar\ age} 7.694 9.396 12.191

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.671 -0.512 -0.362
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.676 0.056 0.231

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.085 0.148 0.391
\delta -0.840 -0.423 0.090
\tau_1/\tau_2 0.624 1.054 1.467
Q_{PAH} 0.076 0.291 0.675
U_{min} 2.551 6.427 12.794
{\rm log}_{10}(\gamma_e)\, -3.621 -3.086 -2.387

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -1.612 -1.250 -1.104
{\rm log}_{10}(\tau_{AGN})\, 0.967 1.262 1.412

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr 0.056 0.237 0.493
0.03-0.10 Gyr -0.382 0.050 0.381
0.10-0.33 Gyr -0.979 -0.229 0.150
0.33-1.09 Gyr -1.516 -0.409 0.144
1.09-3.59 Gyr -1.551 -0.408 0.429
3.59-11.84 Gyr -0.366 0.688 0.882
11.84-13.16 Gyr 0.708 1.393 1.875