2023gkb results

Information

Transient
Name:SN2023gkb
Right ascension: 21h31m00.83s
Declination:-3d58m53.78s
Discovery Date:April 22, 2023, 9:16 a.m.
Classification:SN II
Redshift:0.026181
MW E(B-V):0.035
Host
Name:66884
Right ascension: 21h31m00.72s
Declination:-3d58m59.08s
Redshift:0.026278
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_g
DES_r
DES_z
DES_i
DES_Y
 

Processing Status: completed

Task Name Status Time (s)
Cutout download processed 17.75
Transient MWEBV processed 0.05
Host match processed 4.13
Host information processed 0.12
Host MWEBV processed 0.03
Global aperture construction processed 0.66
Global aperture photometry processed 6.65
Validate global photometry processed 15.15
Global host SED inference processed 643.48
Local aperture photometry processed 7.02
Validate local photometry processed 0.03
Local host SED inference processed 541.08
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):21h31m00.83s, -3d58m53.78s
semi major axis, semi minor axis (arcsec):3.79, 3.79
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 161.72 4.5 18.378 0.030 AB
SDSS_g 360.41 5.16 17.508 0.016 AB
DES_g 367.27 0.92 17.488 0.003 AB
PanSTARRS_g 387.12 0.9 17.430 0.003 AB
SDSS_r 468.08 5.95 17.224 0.014 AB
PanSTARRS_r 517.89 1.16 17.114 0.002 AB
DES_r 497.96 1.74 17.157 0.004 AB
SDSS_i 520.67 6.7 17.109 0.014 AB
PanSTARRS_i 556.43 1.18 17.036 0.002 AB
PanSTARRS_z 583.58 2.72 16.985 0.005 AB
SDSS_z 563.48 12.41 17.023 0.024 AB
DES_z 587.47 4.93 16.978 0.009 AB
PanSTARRS_y 633.4 6.66 16.896 0.011 AB
2MASS_J 564.02 91.12 16.127 0.175 Vega
2MASS_H 800.82 165.97 15.274 0.225 Vega
2MASS_K 782.71 161.27 14.828 0.224 Vega

Aperture details

RA, DEC (J2000):21h31m00.93s, -3d59m00.61s
semi major axis, semi minor axis (arcsec):32.77, 20.89
angle (degrees, anti-clockwise from east):-86.88
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_r 8477.56 7.56 14.079 0.001 AB
PanSTARRS_y 9647.05 45.56 13.939 0.005 AB
WISE_W1 5075.99 62.87 11.937 0.013 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.831 9.009 9.122
{\rm log}_{10}({\rm SFR}) -0.985 -0.473 -0.080
{\rm log}_{10}({\rm sSFR}) -10.018 -9.506 -8.981
{\rm stellar\ age} 3.227 5.917 7.450

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.850 -1.549 -1.023
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.899 -1.583 0.276

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.130 0.341 0.585
\delta -0.613 -0.210 0.164
\tau_1/\tau_2 0.752 1.119 1.498
Q_{PAH} 0.789 2.195 4.482
U_{min} 2.758 8.343 15.647
{\rm log}_{10}(\gamma_e)\, -3.223 -1.855 -0.955

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.240 -2.716 -1.348
{\rm log}_{10}(\tau_{AGN})\, 0.904 1.457 1.971

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.377 -1.036 -0.779
0.03-0.10 Gyr -0.928 -0.353 0.063
0.10-0.33 Gyr -0.935 -0.436 -0.059
0.33-1.10 Gyr -1.465 -0.874 -0.567
1.10-3.64 Gyr -1.561 -0.948 -0.689
3.64-12.06 Gyr -1.764 -1.025 -0.766
12.06-13.41 Gyr -1.974 -1.035 -0.510

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.933 10.171 10.332
{\rm log}_{10}({\rm SFR}) 0.090 0.531 1.029
{\rm log}_{10}({\rm sSFR}) -10.104 -9.643 -9.045
{\rm stellar\ age} 3.088 6.817 8.777

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.474 -1.009 -0.511
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.826 -1.297 -0.037

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.058 0.146 0.272
\delta -0.810 -0.284 0.214
\tau_1/\tau_2 0.460 0.936 1.389
Q_{PAH} 0.494 1.532 3.101
U_{min} 2.615 7.787 14.637
{\rm log}_{10}(\gamma_e)\, -3.530 -2.131 -1.312

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.079 -2.532 -1.672
{\rm log}_{10}(\tau_{AGN})\, 0.952 1.412 1.905

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr 0.091 0.439 0.638
0.03-0.10 Gyr -0.300 0.548 1.155
0.10-0.33 Gyr -0.882 0.256 0.809
0.33-1.10 Gyr -1.194 0.016 0.520
1.10-3.64 Gyr -0.970 0.013 0.425
3.64-12.06 Gyr -0.957 0.144 0.427
12.06-13.41 Gyr -1.120 0.226 0.913