2020tcw

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Information

Transient

Name: SN2020tcw
Right ascension: 15h28m17.08s
Declination: 39d56m50.53s
Discovery Date: Sept. 12, 2020, 5:26 a.m.
Classification: SLSN-I
Redshift: 0.064500
MW E(B-V): 0.019

Host

Name: 2020tcw
Right ascension: 15h28m17.18s
Declination: 39d56m50.43s
Redshift: 0.064504
Photometric Redshift: 0.078
 

Processing Status

Task Name Status Time taken (s) Warning Flag
Host match processed 1.6
Cutout download processed 15.42
Global aperture construction processed 0.58
Local aperture photometry processed 4.56
Global aperture photometry processed 5.09
Validate local photometry processed 0.03
Validate global photometry processed 14.3
Host information processed 0.08
Global host SED inference processed 400.96
Local host SED inference processed 422.05
Transient information processed 0.0
Transient MWEBV processed 0.04
Host MWEBV processed 0.04
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) = 15h28m17.08s, 39d56m50.53s
semi major axis, semi minor axis (arcsec) = 1.61, 1.61
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 48.76 2.1 19.680 0.047 AB
SDSS_g 94.75 2.56 18.959 0.029 AB
PanSTARRS_g 111.75 0.43 18.779 0.004 AB
SDSS_r 63.19 2.16 19.398 0.037 AB
PanSTARRS_r 64.98 0.46 19.368 0.008 AB
SDSS_i 113.76 3.01 18.760 0.029 AB
PanSTARRS_i 116.17 0.56 18.737 0.005 AB
PanSTARRS_z 71.96 1.25 19.257 0.019 AB
SDSS_z 84.79 4.89 19.079 0.063 AB
PanSTARRS_y 89.64 2.78 19.019 0.034 AB

Aperture details

RA, DEC (J2000) = 15h28m17.16s, 39d56m50.64s
semi major axis, semi minor axis (arcsec) = 4.57, 3.4
angle (degrees, anti-clockwise from east) = -37.62

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 52.3 5.2 19.604 0.108 AB
GALEX_NUV 65.83 1.39 19.354 0.023 AB
SDSS_u 89.65 3.73 19.019 0.045 AB
SDSS_g 182.18 3.67 18.249 0.022 AB
PanSTARRS_g 199.47 0.94 18.150 0.005 AB
SDSS_r 144.63 3.49 18.499 0.026 AB
PanSTARRS_r 141.55 1.03 18.523 0.008 AB
SDSS_i 223.17 4.83 18.028 0.024 AB
PanSTARRS_i 225.79 1.25 18.016 0.006 AB
PanSTARRS_z 151.7 2.84 18.448 0.020 AB
SDSS_z 198.23 11.07 18.157 0.061 AB
PanSTARRS_y 177.68 6.28 18.276 0.038 AB
2MASS_J 109.58 104.53 17.906 1.036 Vega
2MASS_H -32.39 170.93 Vega
2MASS_K 442.9 204.2 15.446 0.501 Vega
WISE_W1 169.02 8.47 15.631 0.054 Vega
WISE_W2 301.48 11.96 14.363 0.043 Vega
WISE_W3 2149.1 49.92 10.395 0.025 Vega
WISE_W4 10654.54 545.17 7.211 0.056 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})\, 7.905 8.427 8.785
{\rm log}_{10}({\rm SFR}) -0.564 -0.288 -0.054
{\rm log}_{10}({\rm sSFR}) -9.207 -8.668 -8.039
{\rm stellar\ age} 0.489 3.850 6.430

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.392 -0.580 -0.065
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.191 -0.916 -0.397

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.113 0.200 0.389
\delta -0.673 -0.195 0.240
\tau_1/\tau_2 0.595 0.951 1.365
Q_{PAH} 0.606 2.146 4.943
U_{min} 3.195 8.236 15.382
{\rm log}_{10}(\gamma_e)\, -3.152 -2.001 -0.652

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.330 -1.472 -0.781
{\rm log}_{10}(\tau_{AGN})\, 0.944 1.424 1.905

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.375 -0.188 -0.052
0.03-0.10 Gyr -0.844 -0.343 0.000
0.10-0.33 Gyr -2.260 -1.104 -0.607
0.33-1.08 Gyr -3.301 -1.554 -1.013
1.08-3.54 Gyr -3.571 -1.708 -1.098
3.54-11.61 Gyr -3.844 -1.894 -1.173
11.61-12.90 Gyr -3.781 -1.957 -1.067

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.322 8.589 8.991
{\rm log}_{10}({\rm SFR}) -0.169 0.069 0.333
{\rm log}_{10}({\rm sSFR}) -9.058 -8.513 -8.020
{\rm stellar\ age} 0.178 2.325 5.628

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.270 -0.537 -0.057
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.601 -1.343 -0.655

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.086 0.145 0.319
\delta -0.803 -0.387 0.033
\tau_1/\tau_2 0.646 1.030 1.414
Q_{PAH} 0.613 1.530 3.069
U_{min} 2.901 8.200 15.291
{\rm log}_{10}(\gamma_e)\, -2.538 -1.341 -0.521

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -1.383 -0.959 -0.688
{\rm log}_{10}(\tau_{AGN})\, 1.212 1.504 1.754

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.182 -0.022 0.105
0.03-0.10 Gyr -0.249 0.113 0.430
0.10-0.33 Gyr -1.612 -0.388 0.034
0.33-1.08 Gyr -3.498 -1.518 -0.734
1.08-3.54 Gyr -4.439 -1.912 -1.025
3.54-11.61 Gyr -4.624 -2.016 -1.089
11.61-12.90 Gyr -4.553 -1.945 -0.908