2020why results

Information

Transient
Name:2020why
Right ascension: 8h16m47.54s
Declination:-9d19m39.55s
Discovery Date:None
Classification:SNI
Redshift:0.060000
MW E(B-V):0.081
Host
Name:
Right ascension: 8h16m47.18s
Declination:-9d19m38.73s
Redshift:None
Photometric Redshift:None
 

Cutout Download Report

Downloaded Unavailable
2MASS_H
2MASS_J
2MASS_K
WISE_W1
WISE_W2
WISE_W3
WISE_W4
PanSTARRS_g
PanSTARRS_r
PanSTARRS_i
PanSTARRS_z
PanSTARRS_y
GALEX_NUV
GALEX_FUV
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 4.0
Transient MWEBV processed 0.04
Host match processed 5.46
Host information processed 0.18
Host MWEBV processed 0.04
Global aperture construction processed 0.66
Global aperture photometry processed 4.07
Validate global photometry processed 10.32
Global host SED inference processed 415.62
Local aperture photometry processed 4.04
Validate local photometry processed 0.02
Local host SED inference processed 431.22
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):8h16m47.54s, -9d19m39.55s
semi major axis, semi minor axis (arcsec):1.73, 1.73
angle (degrees, anti-clockwise from east):0.0
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_g 14.56 0.7 20.992 0.052 AB
PanSTARRS_r 18.39 0.68 20.739 0.040 AB
PanSTARRS_i 24.31 0.48 20.435 0.021 AB
PanSTARRS_z 25.29 1.21 20.393 0.052 AB
PanSTARRS_y 21.68 3.16 20.560 0.158 AB

Aperture details

RA, DEC (J2000):8h16m47.17s, -9d19m38.77s
semi major axis, semi minor axis (arcsec):3.4, 2.46
angle (degrees, anti-clockwise from east):-89.77
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_g 50.9 1.19 19.633 0.025 AB
PanSTARRS_r 74.07 1.1 19.226 0.016 AB
PanSTARRS_i 93.98 0.78 18.967 0.009 AB
PanSTARRS_z 106.28 1.96 18.834 0.020 AB
PanSTARRS_y 119.63 5.07 18.705 0.046 AB
2MASS_J 172.99 91.77 17.410 0.576 Vega
2MASS_H 264.57 132.45 16.476 0.544 Vega
2MASS_K 83.08 185.27 17.263 2.421 Vega
WISE_W1 91.21 11.47 16.301 0.137 Vega
WISE_W2 44.77 12.6 16.433 0.306 Vega
WISE_W3 72.35 47.24 14.077 0.709 Vega
WISE_W4 85.16 338.99 12.454 4.322 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.114 8.383 8.535
{\rm log}_{10}({\rm SFR}) -1.987 -1.340 -0.539
{\rm log}_{10}({\rm sSFR}) -10.438 -9.701 -8.818
{\rm stellar\ age} 1.186 5.280 7.116

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.674 -1.137 -0.556
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.656 -1.034 -0.274

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.101 0.343 0.822
\delta -0.637 -0.226 0.129
\tau_1/\tau_2 0.704 1.079 1.459
Q_{PAH} 1.100 2.764 5.016
U_{min} 3.207 8.197 15.312
{\rm log}_{10}(\gamma_e)\, -2.954 -1.804 -0.722

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.308 -0.336 0.191
{\rm log}_{10}(\tau_{AGN})\, 1.235 1.570 2.000

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.171 -1.642 -1.167
0.03-0.10 Gyr -2.112 -1.317 -0.397
0.10-0.33 Gyr -2.085 -1.315 -0.641
0.33-1.08 Gyr -2.325 -1.454 -1.040
1.08-3.55 Gyr -2.956 -1.559 -1.269
3.55-11.66 Gyr -3.514 -1.704 -1.364
11.66-12.96 Gyr -3.355 -1.746 -1.158

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.720 8.938 9.115
{\rm log}_{10}({\rm SFR}) -2.503 -1.237 -0.408
{\rm log}_{10}({\rm sSFR}) -11.374 -10.180 -9.263
{\rm stellar\ age} 0.848 3.779 6.135

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.485 -0.833 -0.244
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.662 -0.749 0.188

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.265 0.461 0.675
\delta -0.565 -0.078 0.250
\tau_1/\tau_2 0.606 0.976 1.367
Q_{PAH} 1.711 3.512 5.333
U_{min} 3.099 8.868 16.524
{\rm log}_{10}(\gamma_e)\, -2.887 -1.975 -0.893

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.877 -1.998 -1.268
{\rm log}_{10}(\tau_{AGN})\, 0.939 1.361 1.829

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -3.402 -1.647 -1.074
0.03-0.10 Gyr -2.853 -1.178 -0.262
0.10-0.33 Gyr -1.273 -0.433 0.098
0.33-1.08 Gyr -1.365 -0.469 -0.074
1.08-3.55 Gyr -2.740 -1.007 -0.574
3.55-11.66 Gyr -3.662 -1.422 -0.885
11.66-12.96 Gyr -3.847 -1.465 -0.705