2018gdg

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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
 

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 4.18
Cutout download processed 26.21
Global aperture construction processed 0.63
Local aperture photometry processed 6.53
Global aperture photometry processed 7.02
Validate local photometry processed 0.02
Validate global photometry processed 17.89
Host information processed 0.15
Global host SED inference processed 395.26
Local host SED inference processed 419.2
Transient information processed 0.0
Transient MWEBV processed 0.04
Host MWEBV processed 0.06
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) = 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
 

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})\, 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