2018erw results

Information

Transient
Name:SN2018erw
Right ascension: 15h35m48.14s
Declination:21d44m19.81s
Discovery Date:July 31, 2018, 7:07 a.m.
Classification:SN Ic
Redshift:0.024180
MW E(B-V):0.047
Host
Name:1656221
Right ascension: 15h35m48.20s
Declination:21d44m24.68s
Redshift:0.024116
Photometric Redshift:None
 

Cutout Download Report

Downloaded Unavailable
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_z
 DES_i
DES_Y
 

Processing Status: completed

Task Name Status Time (s)
Cutout download processed 18.15
Transient MWEBV processed 0.04
Host match processed 5.17
Host information processed 0.12
Host MWEBV processed 0.05
Global aperture construction processed 0.65
Global aperture photometry processed 6.52
Validate global photometry processed 19.18
Global host SED inference processed 477.31
Local aperture photometry processed 6.29
Validate local photometry processed 0.03
Local host SED inference processed 527.71
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):15h35m48.14s, 21d44m19.81s
semi major axis, semi minor axis (arcsec):4.11, 4.11
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 96.19 4.13 18.942 0.047 AB
SDSS_g 340.9 4.99 17.568 0.016 AB
DES_g 379.98 1.0 17.451 0.003 AB
PanSTARRS_g 356.14 1.13 17.521 0.003 AB
SDSS_r 623.16 6.71 16.913 0.012 AB
PanSTARRS_r 635.63 1.54 16.892 0.003 AB
DES_r 726.02 2.39 16.748 0.004 AB
SDSS_i 858.27 8.38 16.566 0.011 AB
PanSTARRS_i 829.26 1.12 16.603 0.001 AB
PanSTARRS_z 1038.44 2.97 16.359 0.003 AB
SDSS_z 1113.66 14.25 16.283 0.014 AB
DES_z 1212.05 8.77 16.191 0.008 AB
PanSTARRS_y 1274.34 5.78 16.137 0.005 AB
2MASS_J 1866.29 94.55 14.828 0.055 Vega
2MASS_H 2195.27 143.24 14.179 0.071 Vega
2MASS_K 1928.39 166.06 13.849 0.093 Vega

Aperture details

RA, DEC (J2000):15h35m48.19s, 21d44m25.11s
semi major axis, semi minor axis (arcsec):15.58, 12.13
angle (degrees, anti-clockwise from east):-141.23
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 75.96 6.67 19.199 0.095 AB
GALEX_NUV 109.98 1.46 18.797 0.014 AB
SDSS_u 353.89 12.35 17.528 0.038 AB
SDSS_g 1761.55 11.88 15.785 0.007 AB
DES_g 1898.1 2.38 15.704 0.001 AB
PanSTARRS_g 1936.34 3.65 15.683 0.002 AB
SDSS_r 3319.49 16.05 15.097 0.005 AB
PanSTARRS_r 3525.29 5.02 15.032 0.002 AB
DES_r 3721.92 5.57 14.973 0.002 AB
SDSS_i 4625.96 21.26 14.737 0.005 AB
PanSTARRS_i 4636.01 3.61 14.735 0.001 AB
PanSTARRS_z 5785.27 9.76 14.494 0.002 AB
SDSS_z 6180.88 43.15 14.422 0.008 AB
DES_z 6109.47 19.9 14.435 0.004 AB
PanSTARRS_y 7014.46 19.07 14.285 0.003 AB
2MASS_J 8708.47 319.52 13.155 0.040 Vega
2MASS_H 10798.11 484.83 12.449 0.049 Vega
2MASS_K 7794.13 563.74 12.333 0.079 Vega
WISE_W1 4172.33 38.45 12.150 0.010 Vega
WISE_W2 2439.72 42.3 12.093 0.019 Vega
WISE_W3 6873.79 107.38 9.133 0.017 Vega
WISE_W4 7993.18 767.46 7.523 0.104 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.170 9.392 9.551
{\rm log}_{10}({\rm SFR}) -0.807 -0.236 0.196
{\rm log}_{10}({\rm sSFR}) -10.365 -9.666 -9.063
{\rm stellar\ age} 3.205 6.385 8.209

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.148 -0.538 -0.204
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.727 -1.368 -0.110

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.630 1.058 1.345
\delta -0.438 -0.135 0.159
\tau_1/\tau_2 0.455 0.838 1.240
Q_{PAH} 0.815 2.219 3.332
U_{min} 2.616 7.972 15.239
{\rm log}_{10}(\gamma_e)\, -3.629 -2.939 -1.851

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.586 -3.844 -1.744
{\rm log}_{10}(\tau_{AGN})\, 0.870 1.321 1.923

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.583 -0.263 -0.021
0.03-0.10 Gyr -1.098 -0.259 0.282
0.10-0.33 Gyr -1.489 -0.535 0.035
0.33-1.10 Gyr -1.566 -0.671 -0.208
1.10-3.65 Gyr -1.519 -0.638 -0.278
3.65-12.09 Gyr -1.539 -0.647 -0.340
12.09-13.43 Gyr -1.694 -0.658 -0.013

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.316 10.396 10.458
{\rm log}_{10}({\rm SFR}) -0.942 -0.559 -0.229
{\rm log}_{10}({\rm sSFR}) -11.348 -10.941 -10.610
{\rm stellar\ age} 9.747 12.625 12.750

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.005 -0.794 -0.619
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.480 -1.286 -0.954

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.310 0.459 0.607
\delta -0.407 -0.185 -0.034
\tau_1/\tau_2 0.258 0.672 1.126
Q_{PAH} 0.175 0.566 1.379
U_{min} 3.645 9.266 16.597
{\rm log}_{10}(\gamma_e)\, -3.466 -2.691 -1.934

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.633 -3.945 -3.073
{\rm log}_{10}(\tau_{AGN})\, 1.086 1.665 2.015

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.451 -0.116 0.193
0.03-0.10 Gyr -3.975 -2.131 -0.713
0.10-0.33 Gyr -6.293 -3.631 -1.300
0.33-1.10 Gyr -6.872 -3.437 -1.433
1.10-3.65 Gyr -5.399 -3.167 -1.296
3.65-12.09 Gyr -2.492 -0.954 0.407
12.09-13.43 Gyr 1.041 1.507 1.576