2018cow

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Information

Transient

Name: SN2018cow
Right ascension: 16h16m00.22s
Declination: 22d16m04.91s
Discovery Date: June 16, 2018, 10:35 a.m.
Classification: SN Ic-BL
Redshift: 0.014000
MW E(B-V): 0.075

Host

Name: 2018cow
Right ascension: 16h16m00.55s
Declination: 22d16m08.40s
Redshift: 0.014063
Photometric Redshift: 0.034
 

Processing Status

Cutout download
 Cutout download
processed
 status
Transient information
Transient information
processed
 status
Transient MWEBV
Transient MWEBV
processed
 status
Host match
 Host match
processed
 status
Host information
Host information
processed
 status
Local aperture photometry
 Local aperture photometry
processed
 status
Validate local photometry
 Validate local photometry
processed
 status
Local host SED inference
Local host SED inference
processed
 status
Host MWEBV
Host MWEBV
processed
 status
Global host SED inference
Global host SED inference
processed
 status
Validate global photometry
Validate global photometr...
processed
 status
Global aperture construction
 Global aperture construct...
processed
 status
Global aperture photometry
 Global aperture photometr...
processed
 status
Task Name Status Time taken (s) Warning Flag
Host match processed 0.9
Cutout download processed 15.11
Global aperture construction processed 0.7
Local aperture photometry processed 5.41
Global aperture photometry processed 5.79
Validate local photometry processed 0.02
Validate global photometry processed 16.87
Host information processed 0.1
Global host SED inference processed 395.31
Local host SED inference processed 564.29
Transient information processed 0.0
Transient MWEBV processed 0.12
Host MWEBV processed 0.1
Processing status completed N/A N/A
 

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) = 16h16m00.22s, 22d16m04.91s
semi major axis, semi minor axis (arcsec) = 6.97, 6.97
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 66.41 8.33 19.344 0.136 AB
GALEX_NUV 90.97 3.86 19.003 0.046 AB
SDSS_u 278.46 6.16 17.788 0.024 AB
SDSS_g 819.02 7.65 16.617 0.010 AB
PanSTARRS_g 825.43 1.72 16.608 0.002 AB
SDSS_r 1396.02 10.07 16.038 0.008 AB
PanSTARRS_r 1411.85 2.11 16.026 0.002 AB
SDSS_i 1823.02 12.09 15.748 0.007 AB
PanSTARRS_i 1745.14 2.46 15.795 0.002 AB
PanSTARRS_z 2096.23 6.51 15.596 0.003 AB
SDSS_z 2210.01 21.09 15.539 0.010 AB
PanSTARRS_y 2372.11 12.13 15.462 0.006 AB
2MASS_J 2777.63 136.86 14.396 0.053 Vega
2MASS_H 3372.82 220.22 13.712 0.071 Vega
2MASS_K 2709.18 229.56 13.480 0.092 Vega
WISE_W1 808.47 16.85 13.932 0.023 Vega
WISE_W2 431.86 18.92 13.973 0.048 Vega
WISE_W3 760.6 63.52 11.523 0.091 Vega

Aperture details

RA, DEC (J2000) = 16h16m00.60s, 22d16m08.18s
semi major axis, semi minor axis (arcsec) = 18.27, 15.61
angle (degrees, anti-clockwise from east) = -103.87

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 172.54 13.43 18.308 0.084 AB
GALEX_NUV 241.46 6.54 17.943 0.029 AB
SDSS_u 663.47 12.84 16.845 0.021 AB
SDSS_g 2043.15 12.56 15.624 0.007 AB
PanSTARRS_g 2056.42 4.04 15.617 0.002 AB
SDSS_r 3343.19 16.43 15.090 0.005 AB
PanSTARRS_r 3478.5 4.94 15.047 0.002 AB
SDSS_i 4389.86 20.89 14.794 0.005 AB
PanSTARRS_i 4247.68 5.83 14.830 0.001 AB
PanSTARRS_z 5052.38 15.56 14.641 0.003 AB
SDSS_z 4970.79 45.85 14.659 0.010 AB
PanSTARRS_y 5573.89 29.23 14.535 0.006 AB
2MASS_J 7293.57 334.11 13.348 0.050 Vega
2MASS_H 8112.5 538.46 12.760 0.072 Vega
2MASS_K 5678.83 561.92 12.677 0.107 Vega
WISE_W1 3190.93 42.56 12.441 0.014 Vega
WISE_W2 1896.4 52.68 12.366 0.030 Vega
WISE_W3 5579.0 204.05 9.360 0.040 Vega
WISE_W4 5527.42 1023.06 7.924 0.201 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})\, 9.142 9.217 9.301
{\rm log}_{10}({\rm SFR}) -1.198 -0.955 -0.680
{\rm log}_{10}({\rm sSFR}) -10.404 -10.161 -9.912
{\rm stellar\ age} 7.397 8.231 10.491

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.333 -1.005 -0.803
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.576 0.173 0.402

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.070 0.125 0.210
\delta -0.839 -0.557 -0.231
\tau_1/\tau_2 0.765 1.078 1.431
Q_{PAH} 0.111 0.402 1.055
U_{min} 2.810 8.280 15.382
{\rm log}_{10}(\gamma_e)\, -2.961 -2.070 -1.157

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.604 -3.782 -2.851
{\rm log}_{10}(\tau_{AGN})\, 1.041 1.625 2.023

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.853 -1.469 -1.265
0.03-0.10 Gyr -1.121 -0.834 -0.535
0.10-0.33 Gyr -1.599 -1.132 -0.832
0.33-1.10 Gyr -2.142 -1.453 -1.111
1.10-3.63 Gyr -2.263 -1.318 -0.871
3.63-12.03 Gyr -0.941 -0.658 -0.533
12.03-13.37 Gyr -0.933 -0.425 0.206

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.458 9.539 9.624
{\rm log}_{10}({\rm SFR}) -0.849 -0.558 -0.302
{\rm log}_{10}({\rm sSFR}) -10.426 -10.114 -9.832
{\rm stellar\ age} 6.250 7.315 8.628

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.059 -0.809 -0.622
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.826 -0.780 0.305

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.162 0.269 0.406
\delta -0.353 -0.010 0.231
\tau_1/\tau_2 0.646 0.970 1.271
Q_{PAH} 0.657 1.766 3.604
U_{min} 2.357 7.044 13.631
{\rm log}_{10}(\gamma_e)\, -3.338 -2.408 -1.662

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.286 -3.269 -2.342
{\rm log}_{10}(\tau_{AGN})\, 1.006 1.475 1.916

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.867 -1.000 -0.679
0.03-0.10 Gyr -0.830 -0.467 -0.163
0.10-0.33 Gyr -0.778 -0.415 -0.128
0.33-1.10 Gyr -1.032 -0.615 -0.344
1.10-3.63 Gyr -0.911 -0.521 -0.293
3.63-12.03 Gyr -0.580 -0.369 -0.221
12.03-13.37 Gyr -0.737 -0.287 0.231