2020alk results

Information

Transient
Name:AT2020alk
Right ascension: 9h31m59.01s
Declination:-20d30m18.11s
Discovery Date:Jan. 19, 2020, 12:48 a.m.
Classification:None
Redshift:None
MW E(B-V):0.050
Host
Name:2020alk
Right ascension: 9h31m59.13s
Declination:-20d30m15.96s
Redshift:0.087183
Photometric Redshift:0.082
 

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
DES_z
SDSS_i
SDSS_r
SDSS_u
SDSS_z
SDSS_g
DES_g
DES_r
DES_i
DES_Y
 

Processing Status: completed

Task Name Status Time (s)
Cutout download processed 4.55
Transient MWEBV processed 0.04
Host match processed 1.99
Host information processed 0.1
Host MWEBV processed 0.06
Global aperture construction processed 0.7
Global aperture photometry processed 5.06
Validate global photometry processed 13.79
Global host SED inference processed 435.33
Local aperture photometry processed 4.83
Validate local photometry processed 0.02
Local host SED inference processed 488.17
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):9h31m59.01s, -20d30m18.11s
semi major axis, semi minor axis (arcsec):1.23, 1.23
angle (degrees, anti-clockwise from east):0.0
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_r 52.84 0.43 19.593 0.009 AB
PanSTARRS_i 79.68 0.53 19.147 0.007 AB
PanSTARRS_z 102.84 0.95 18.870 0.010 AB
DES_z 133.1 4.39 18.590 0.036 AB
PanSTARRS_y 130.8 2.09 18.608 0.017 AB

Aperture details

RA, DEC (J2000):9h31m59.13s, -20d30m15.65s
semi major axis, semi minor axis (arcsec):13.56, 4.44
angle (degrees, anti-clockwise from east):-134.3
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 14.71 2.9 20.981 0.214 AB
GALEX_NUV 9.86 2.31 21.415 0.254 AB
PanSTARRS_g 317.37 1.73 17.646 0.006 AB
PanSTARRS_r 615.16 2.56 16.928 0.005 AB
PanSTARRS_i 930.63 3.15 16.478 0.004 AB
PanSTARRS_z 1153.36 5.81 16.245 0.005 AB
DES_z 1284.27 14.4 16.128 0.012 AB
PanSTARRS_y 1439.45 13.13 16.005 0.010 AB
2MASS_J 1996.7 220.32 14.754 0.120 Vega
2MASS_H 2968.23 285.8 13.851 0.105 Vega
2MASS_K 3268.09 430.03 13.276 0.143 Vega
WISE_W1 1422.4 22.5 13.318 0.017 Vega
WISE_W2 1063.85 29.87 12.994 0.030 Vega
WISE_W3 5363.15 104.13 9.402 0.021 Vega
WISE_W4 5953.62 693.23 7.843 0.126 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.668 9.798 9.906
{\rm log}_{10}({\rm SFR}) -1.314 -0.625 -0.096
{\rm log}_{10}({\rm sSFR}) -11.131 -10.438 -9.849
{\rm stellar\ age} 5.981 7.697 11.349

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.784 -0.231 0.075
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.263 -0.527 0.234

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.374 0.915 1.391
\delta -0.273 0.038 0.286
\tau_1/\tau_2 0.640 1.001 1.377
Q_{PAH} 0.891 2.995 5.295
U_{min} 3.226 8.199 15.093
{\rm log}_{10}(\gamma_e)\, -3.134 -1.980 -0.548

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.835 -0.833 -0.175
{\rm log}_{10}(\tau_{AGN})\, 0.979 1.438 1.908

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.854 -0.970 -0.413
0.03-0.10 Gyr -1.445 -0.601 0.009
0.10-0.33 Gyr -2.280 -0.853 -0.225
0.33-1.07 Gyr -2.962 -0.943 -0.140
1.07-3.48 Gyr -2.555 -0.678 -0.065
3.48-11.35 Gyr -1.234 -0.176 0.040
11.35-12.61 Gyr -0.594 0.174 0.968

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.617 10.700 10.770
{\rm log}_{10}({\rm SFR}) -0.632 -0.346 -0.086
{\rm log}_{10}({\rm sSFR}) -11.344 -11.044 -10.760
{\rm stellar\ age} 5.434 6.868 7.972

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.305 -0.083 0.085
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.371 -0.235 0.266

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.251 0.369 0.501
\delta -0.218 0.081 0.294
\tau_1/\tau_2 0.510 0.843 1.222
Q_{PAH} 2.214 4.058 5.598
U_{min} 2.216 7.366 14.656
{\rm log}_{10}(\gamma_e)\, -2.904 -1.702 -0.687

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -1.322 -0.940 -0.693
{\rm log}_{10}(\tau_{AGN})\, 1.444 1.763 1.975

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.239 0.009 0.252
0.03-0.10 Gyr -2.186 -0.817 -0.300
0.10-0.33 Gyr -2.039 -0.779 -0.208
0.33-1.07 Gyr -1.188 -0.247 0.313
1.07-3.48 Gyr 0.319 0.825 1.104
3.48-11.35 Gyr 0.498 0.818 0.983
11.35-12.61 Gyr 0.045 0.800 1.284