2020zem

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Information

Transient

Name: 2020zem
Right ascension: 1h20m52.28s
Declination: 4d47m44.07s
Discovery Date: None
Classification: Ia
Redshift: 0.032938
MW E(B-V): 0.024

Host

Name: 2020zem
Right ascension: 1h20m53.47s
Declination: 4d48m05.15s
Redshift: 0.034000
Photometric Redshift: 0.025
 

Processing Status

Task Name Status Time taken (s) Warning Flag
Host match processed 5.85
Cutout download processed 19.44
Global aperture construction processed 0.57
Local aperture photometry processed 6.95
Global aperture photometry processed 7.95
Validate local photometry processed 0.02
Validate global photometry processed 22.88
Host information processed 0.09
Global host SED inference processed 531.77
Local host SED inference processed 421.97
Transient information processed 0.0
Transient MWEBV processed 0.05
Host MWEBV processed 0.07
Log transient processing status processed 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) = 1h20m52.28s, 4d47m44.07s
semi major axis, semi minor axis (arcsec) = 2.95, 2.95
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 8.31 2.45 21.601 0.321 AB
SDSS_g 11.74 1.23 21.226 0.114 AB
DES_g 13.37 0.24 21.085 0.020 AB
PanSTARRS_g 16.43 0.87 20.861 0.058 AB
SDSS_r 27.56 1.89 20.299 0.074 AB
PanSTARRS_r 16.0 0.92 20.890 0.062 AB
DES_r 30.59 0.39 20.186 0.014 AB
SDSS_i 39.94 2.57 19.896 0.070 AB
PanSTARRS_i 36.47 0.78 19.995 0.023 AB
PanSTARRS_z 39.49 2.12 19.909 0.058 AB
SDSS_z 58.33 8.09 19.485 0.151 AB
DES_z 52.81 1.14 19.593 0.023 AB
PanSTARRS_y 72.12 5.22 19.255 0.079 AB
2MASS_J 103.02 71.72 17.973 0.756 Vega
2MASS_H 63.68 122.27 18.022 2.085 Vega
2MASS_K -3.45 124.56 Vega

Aperture details

RA, DEC (J2000) = 1h20m53.46s, 4d48m05.22s
semi major axis, semi minor axis (arcsec) = 20.8, 15.49
angle (degrees, anti-clockwise from east) = -135.02

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 15.72 1.26 20.909 0.087 AB
GALEX_NUV 34.03 1.36 20.070 0.043 AB
SDSS_u 802.18 16.04 16.639 0.022 AB
SDSS_g 4134.97 17.46 14.859 0.005 AB
DES_g 4307.39 2.6 14.814 0.001 AB
PanSTARRS_g 4578.37 5.41 14.748 0.001 AB
SDSS_r 9234.51 26.19 13.986 0.003 AB
PanSTARRS_r 8908.7 5.87 14.025 0.001 AB
DES_r 9804.66 4.46 13.921 0.000 AB
SDSS_i 13608.39 32.61 13.565 0.003 AB
PanSTARRS_i 13146.93 5.21 13.603 0.000 AB
PanSTARRS_z 16940.68 13.04 13.328 0.001 AB
SDSS_z 18258.32 58.83 13.246 0.003 AB
DES_z 17981.69 16.21 13.263 0.001 AB
PanSTARRS_y 21896.51 31.49 13.049 0.002 AB
2MASS_J 27218.99 477.56 11.918 0.019 Vega
2MASS_H 33691.63 807.56 11.214 0.026 Vega
2MASS_K 28058.49 826.77 10.942 0.032 Vega
WISE_W1 13681.16 91.59 10.861 0.007 Vega
WISE_W2 7709.52 100.51 10.843 0.014 Vega
WISE_W3 1638.22 192.57 10.690 0.128 Vega
WISE_W4 -174.33 828.44 Vega
 

Imaging data

 

Spectral Energy Distribution

 
 
 
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 7.993 8.346 8.538
{\rm log}_{10}({\rm SFR}) -1.271 -0.962 -0.657
{\rm log}_{10}({\rm sSFR}) -9.784 -9.327 -8.682
{\rm stellar\ age} 3.917 6.643 8.155

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.591 -0.213 0.030
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.373 -0.189 -0.069

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 1.137 1.394 1.717
\delta -0.292 -0.115 0.063
\tau_1/\tau_2 0.556 0.881 1.238
Q_{PAH} 0.309 1.123 2.849
U_{min} 2.895 7.936 15.215
{\rm log}_{10}(\gamma_e)\, -3.371 -2.470 -1.297

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.143 -2.796 -1.207
{\rm log}_{10}(\tau_{AGN})\, 1.028 1.473 1.876

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.023 -0.801 -0.558
0.03-0.10 Gyr -1.751 -1.098 -0.671
0.10-0.33 Gyr -2.755 -1.779 -1.319
0.33-1.09 Gyr -2.979 -1.905 -1.481
1.09-3.62 Gyr -2.744 -1.762 -1.416
3.62-11.97 Gyr -2.520 -1.660 -1.342
11.97-13.30 Gyr -2.654 -1.648 -1.025

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 11.082 11.166 11.191
{\rm log}_{10}({\rm SFR}) -2.043 -1.578 -1.197
{\rm log}_{10}({\rm sSFR}) -13.214 -12.727 -12.347
{\rm stellar\ age} 9.000 12.248 12.620

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.284 -0.191 -0.100
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.530 -0.662 0.131

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.088 0.136 0.200
\delta -0.357 -0.048 0.210
\tau_1/\tau_2 0.560 0.924 1.316
Q_{PAH} 0.326 0.949 1.786
U_{min} 3.236 8.624 16.381
{\rm log}_{10}(\gamma_e)\, -2.784 -1.916 -1.347

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.675 -4.080 -3.256
{\rm log}_{10}(\tau_{AGN})\, 1.086 1.610 1.947

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.319 -1.614 -1.250
0.03-0.10 Gyr -2.515 -1.651 -1.136
0.10-0.33 Gyr -2.895 -1.725 -1.107
0.33-1.09 Gyr -3.156 -1.782 -0.927
1.09-3.62 Gyr -2.754 -1.322 -0.293
3.62-11.97 Gyr -1.370 0.316 1.262
11.97-13.30 Gyr 1.607 2.266 2.314