2018kwt

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Information

Transient

Name: SN2018kwt
Right ascension: 3h03m17.40s
Declination: 18d31m55.13s
Discovery Date: Dec. 24, 2018, 7:08 a.m.
Classification: SN Ia
Redshift: 0.073500
MW E(B-V): 0.156

Host

Name: 2018kwt
Right ascension: 3h03m17.41s
Declination: 18d31m54.60s
Redshift: None
Photometric Redshift: 0.161
 

Processing Status

Task Name Status Time taken (s) Warning Flag
Host match processed 1.88
Cutout download processed 3.68
Global aperture construction processed 0.59
Local aperture photometry processed 3.65
Global aperture photometry processed 3.63
Validate local photometry processed 0.03
Validate global photometry processed 10.74
Host information processed 0.09
Global host SED inference processed 416.97
Local host SED inference processed 476.31
Transient information processed 0.0
Transient MWEBV processed 0.09
Host MWEBV processed 0.24
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) = 3h03m17.40s, 18d31m55.13s
semi major axis, semi minor axis (arcsec) = 1.43, 1.43
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error
PanSTARRS_g 20.17 0.37 20.638 0.020
PanSTARRS_r 43.38 0.41 19.807 0.010
PanSTARRS_i 72.78 0.51 19.245 0.008
PanSTARRS_z 89.15 0.92 19.025 0.011
PanSTARRS_y 101.45 2.15 18.884 0.023

Aperture details

RA, DEC (J2000) = 3h03m17.40s, 18d31m54.58s
semi major axis, semi minor axis (arcsec) = 3.44, 3.07
angle (degrees, anti-clockwise from east) = -81.06

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error
GALEX_FUV 0.81 2.22 24.128 2.976
GALEX_NUV 1.53 2.01 23.438 1.423
PanSTARRS_g 36.93 0.82 19.982 0.024
PanSTARRS_r 73.48 0.87 19.235 0.013
PanSTARRS_i 121.32 1.05 18.690 0.009
PanSTARRS_z 141.57 1.9 18.523 0.015
PanSTARRS_y 168.54 4.42 18.333 0.028
2MASS_J 216.1 111.41 17.168 0.560
2MASS_H 418.91 175.97 15.977 0.456
2MASS_K 449.3 185.87 15.431 0.449
WISE_W1 187.76 12.78 15.517 0.074
WISE_W2 115.76 17.08 15.402 0.160
WISE_W3 179.07 75.52 13.093 0.458
WISE_W4 1138.86 673.6 9.639 0.642
 

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})\, 9.382 9.526 9.668
{\rm log}_{10}({\rm SFR}) -1.412 -0.890 -0.391
{\rm log}_{10}({\rm sSFR}) -10.959 -10.455 -9.888
{\rm stellar\ age} 5.592 7.348 10.870

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.628 -1.017 -0.498
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.647 -0.750 0.143

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.472 0.907 1.252
\delta -0.484 -0.174 0.121
\tau_1/\tau_2 0.664 1.031 1.379
Q_{PAH} 0.693 2.364 4.898
U_{min} 2.864 7.819 14.578
{\rm log}_{10}(\gamma_e)\, -3.263 -2.219 -0.606

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.316 -1.140 -0.300
{\rm log}_{10}(\tau_{AGN})\, 1.064 1.467 1.921

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.312 -0.829 -0.426
0.03-0.10 Gyr -1.773 -1.009 -0.346
0.10-0.33 Gyr -2.337 -1.113 -0.432
0.33-1.07 Gyr -2.657 -0.973 -0.308
1.07-3.51 Gyr -2.277 -0.654 -0.298
3.51-11.51 Gyr -1.141 -0.427 -0.208
11.51-12.78 Gyr -0.936 -0.235 0.643

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.488 9.655 9.785
{\rm log}_{10}({\rm SFR}) -0.869 -0.494 -0.153
{\rm log}_{10}({\rm sSFR}) -10.596 -10.171 -9.706
{\rm stellar\ age} 5.462 7.101 8.738

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.228 -0.767 -0.373
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.677 -0.498 0.239

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.512 0.710 0.929
\delta -0.493 -0.128 0.173
\tau_1/\tau_2 0.705 1.056 1.401
Q_{PAH} 1.507 3.113 4.949
U_{min} 2.794 7.795 15.031
{\rm log}_{10}(\gamma_e)\, -2.795 -1.670 -0.825

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.753 -2.289 -1.500
{\rm log}_{10}(\tau_{AGN})\, 0.931 1.340 1.827

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.710 -0.461 -0.250
0.03-0.10 Gyr -1.137 -0.524 -0.088
0.10-0.33 Gyr -1.331 -0.631 -0.130
0.33-1.07 Gyr -1.334 -0.634 -0.193
1.07-3.51 Gyr -1.047 -0.474 -0.175
3.51-11.51 Gyr -0.701 -0.252 -0.038
11.51-12.78 Gyr -0.845 -0.212 0.448