2020hei

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Information

Transient

Name: SN2020hei
Right ascension: 13h39m20.50s
Declination: 38d04m55.15s
Discovery Date: April 11, 2020, 1:23 p.m.
Classification: SLSN-II
Redshift: 0.196000
MW E(B-V): 0.006

Host

Name: 2020hei
Right ascension: 13h39m19.55s
Declination: 38d04m45.42s
Redshift: None
Photometric Redshift: 0.541
 

Processing Status

Task Name Status Time taken (s) Warning Flag
Host match processed 1.79
Cutout download processed 4.64
Global aperture construction processed 2.23
Local aperture photometry processed 4.03
Global aperture photometry processed 4.0
Validate local photometry no valid phot 0.02
Validate global photometry processed 10.82
Host information processed 0.08
Global host SED inference processed 437.96
Local host SED inference not processed None
Transient information processed 0.0
Transient MWEBV processed 0.08
Host MWEBV processed 0.09
Log transient processing status blocked None
 

Cutout Download Report

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:
 

Aperture Photometry


Aperture details

RA, DEC (J2000) = 13h39m20.50s, 38d04m55.15s
semi major axis, semi minor axis (arcsec) = 0.62, 0.62
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys

Aperture details

RA, DEC (J2000) = 13h39m19.53s, 38d04m45.69s
semi major axis, semi minor axis (arcsec) = 2.73, 1.74
angle (degrees, anti-clockwise from east) = -70.08

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_NUV 0.06 1.88 26.879 31.681 AB
DES_g 2.47 0.16 22.918 0.069 AB
PanSTARRS_g 2.61 0.87 22.859 0.363 AB
PanSTARRS_r 6.66 0.71 21.841 0.115 AB
PanSTARRS_i 10.79 0.59 21.317 0.059 AB
PanSTARRS_z 13.13 1.02 21.104 0.085 AB
PanSTARRS_y 12.4 2.76 21.166 0.241 AB
2MASS_J 35.55 58.11 19.128 1.775 Vega
2MASS_H -7.98 89.68 Vega
2MASS_K -17.96 108.88 Vega
WISE_W1 4.89 5.87 19.477 1.303 Vega
WISE_W2 -11.79 9.14 Vega
WISE_W3 19.65 54.52 15.493 3.013 Vega
WISE_W4 640.84 363.1 10.263 0.615 Vega
 

Imaging data

 

Spectral Energy Distribution

 
 
 
 

Host SED inference


Local parameter details

Documentation

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.304 9.560 9.770
{\rm log}_{10}({\rm SFR}) -0.716 0.098 0.607
{\rm log}_{10}({\rm sSFR}) -10.277 -9.494 -8.782
{\rm stellar\ age} 0.829 4.476 6.752

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.586 -0.910 -0.257
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.605 -0.901 0.016

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 1.150 1.842 2.487
\delta -0.178 0.046 0.228
\tau_1/\tau_2 0.624 0.996 1.406
Q_{PAH} 1.165 3.253 5.149
U_{min} 3.304 9.221 17.202
{\rm log}_{10}(\gamma_e)\, -3.094 -1.939 -0.749

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.596 -1.464 -0.049
{\rm log}_{10}(\tau_{AGN})\, 0.934 1.295 1.737

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.766 0.147 0.740
0.03-0.10 Gyr -1.363 -0.184 0.545
0.10-0.32 Gyr -1.220 -0.097 0.575
0.32-1.01 Gyr -1.648 -0.355 0.274
1.01-3.21 Gyr -2.181 -0.455 -0.022
3.21-10.22 Gyr -2.873 -0.590 -0.161
10.22-11.35 Gyr -2.987 -0.631 0.204