2018gdg results

Information

Transient
Name:SN2018gdg
Right ascension: 0h30m24.63s
Declination:-1d15m50.97s
Discovery Date:Sept. 9, 2018, 1 p.m.
Classification:SN Ia
Redshift:0.056900
MW E(B-V):0.019
Host
Name:1122936
Right ascension: 0h30m24.56s
Declination:-1d15m44.19s
Redshift:0.057028
Photometric Redshift:0.056
 

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 26.21
Transient MWEBV processed 0.04
Host match processed 4.18
Host information processed 0.15
Host MWEBV processed 0.06
Global aperture construction processed 0.63
Global aperture photometry processed 7.02
Validate global photometry processed 17.89
Global host SED inference processed 395.26
Local aperture photometry processed 6.53
Validate local photometry processed 0.02
Local host SED inference processed 419.2
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):0h30m24.63s, -1d15m50.97s
semi major axis, semi minor axis (arcsec):1.81, 1.81
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 7.31 1.34 21.740 0.200 AB
SDSS_g 21.53 1.38 20.567 0.069 AB
DES_g 23.51 0.18 20.472 0.008 AB
PanSTARRS_g 22.59 0.56 20.515 0.027 AB
SDSS_r 33.63 1.81 20.083 0.058 AB
PanSTARRS_r 31.37 0.39 20.159 0.014 AB
DES_r 38.65 0.29 19.932 0.008 AB
SDSS_i 45.29 2.3 19.760 0.055 AB
PanSTARRS_i 43.85 0.77 19.795 0.019 AB
PanSTARRS_z 52.2 1.57 19.606 0.033 AB
SDSS_z 47.99 5.59 19.697 0.126 AB
DES_z 46.85 1.99 19.723 0.046 AB
PanSTARRS_y 60.61 2.97 19.444 0.053 AB

Aperture details

RA, DEC (J2000):0h30m24.57s, -1d15m44.22s
semi major axis, semi minor axis (arcsec):13.73, 12.16
angle (degrees, anti-clockwise from east):-152.57
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 81.58 2.1 19.121 0.028 AB
GALEX_NUV 110.62 1.55 18.790 0.015 AB
SDSS_g 847.27 8.93 16.580 0.011 AB
DES_g 888.41 1.14 16.528 0.001 AB
PanSTARRS_g 862.94 4.03 16.560 0.005 AB
SDSS_r 1292.41 11.56 16.121 0.010 AB
PanSTARRS_r 1230.01 2.85 16.175 0.003 AB
DES_r 1474.33 1.85 15.979 0.001 AB
SDSS_i 1728.01 15.08 15.806 0.009 AB
PanSTARRS_z 2016.05 10.99 15.639 0.006 AB
SDSS_z 1994.27 39.65 15.651 0.022 AB
DES_z 1695.29 12.7 15.827 0.008 AB
PanSTARRS_y 2303.53 21.17 15.494 0.010 AB
2MASS_J 2028.14 267.56 14.737 0.143 Vega
2MASS_H 3156.77 417.56 13.784 0.144 Vega
2MASS_K 2161.86 542.66 13.725 0.273 Vega
WISE_W1 1192.78 26.24 13.510 0.024 Vega
WISE_W2 692.52 34.4 13.460 0.054 Vega
WISE_W3 2505.98 158.71 10.229 0.069 Vega
WISE_W4 2506.18 795.07 8.782 0.344 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.429 8.682 8.821
{\rm log}_{10}({\rm SFR}) -1.560 -1.040 -0.423
{\rm log}_{10}({\rm sSFR}) -10.298 -9.737 -8.863
{\rm stellar\ age} 3.050 5.914 7.363

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.349 -0.738 -0.257
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.733 -1.239 0.017

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.242 0.593 0.990
\delta -0.609 -0.246 0.152
\tau_1/\tau_2 0.714 1.068 1.441
Q_{PAH} 0.746 2.836 5.272
U_{min} 2.908 7.683 14.710
{\rm log}_{10}(\gamma_e)\, -2.877 -1.891 -0.829

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.637 -0.893 -0.167
{\rm log}_{10}(\tau_{AGN})\, 1.038 1.417 1.954

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.459 -1.072 -0.707
0.03-0.10 Gyr -1.703 -1.054 -0.313
0.10-0.33 Gyr -1.799 -1.173 -0.655
0.33-1.08 Gyr -1.805 -1.208 -0.799
1.08-3.56 Gyr -1.890 -1.251 -0.981
3.56-11.70 Gyr -2.103 -1.313 -1.057
11.70-13.00 Gyr -2.224 -1.355 -0.847

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.216 10.279 10.348
{\rm log}_{10}({\rm SFR}) -0.178 0.010 0.210
{\rm log}_{10}({\rm sSFR}) -10.472 -10.267 -10.057
{\rm stellar\ age} 5.943 6.797 7.672

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.850 -0.650 -0.487
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.723 -0.182 0.263

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.113 0.176 0.284
\delta -0.727 -0.373 -0.040
\tau_1/\tau_2 0.640 0.997 1.363
Q_{PAH} 0.767 1.952 3.398
U_{min} 2.557 6.967 13.664
{\rm log}_{10}(\gamma_e)\, -3.064 -2.048 -1.330

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.479 -3.594 -2.557
{\rm log}_{10}(\tau_{AGN})\, 1.042 1.548 1.938

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.046 0.070 0.176
0.03-0.10 Gyr -0.336 -0.017 0.261
0.10-0.33 Gyr -0.184 0.125 0.406
0.33-1.08 Gyr -0.049 0.251 0.437
1.08-3.56 Gyr 0.118 0.350 0.526
3.56-11.70 Gyr 0.249 0.403 0.527
11.70-13.00 Gyr -0.025 0.392 0.769