2017ddf results

Information

Transient
Name:2017ddf
Right ascension: 18h53m27.82s
Declination:28d57m06.11s
Discovery Date:None
Classification:SNIa
Redshift:0.075000
MW E(B-V):0.140
Host
Name:
Right ascension: 18h53m27.20s
Declination:28d57m08.19s
Redshift:None
Photometric Redshift:None
 

Cutout Download Report

Downloaded Unavailable
2MASS_H
2MASS_J
2MASS_K
WISE_W1
WISE_W2
WISE_W3
PanSTARRS_i
PanSTARRS_z
PanSTARRS_y
WISE_W4
GALEX_NUV
GALEX_FUV
PanSTARRS_g
PanSTARRS_r
SDSS_i
SDSS_r
SDSS_u
SDSS_z
SDSS_g
DES_g
DES_r
DES_i
DES_z
DES_Y
 

Processing Status: completed

Task Name Status Time (s)
Cutout download processed 2.92
Transient MWEBV processed 0.05
Host match processed 6.64
Host information processed 0.18
Host MWEBV processed 0.05
Global aperture construction processed 8.43
Global aperture photometry processed 2.71
Validate global photometry processed 8.31
Global host SED inference processed 576.87
Local aperture photometry processed 2.61
Validate local photometry processed 0.01
Local host SED inference processed 437.46
 

Imaging data


 

Spectral Energy Distribution


Warning: possible contaminating objects in the global aperture

 

Aperture Photometry


Aperture details

RA, DEC (J2000):18h53m27.82s, 28d57m06.11s
semi major axis, semi minor axis (arcsec):1.41, 1.41
angle (degrees, anti-clockwise from east):0.0
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_i 12.47 0.41 21.160 0.035 AB
PanSTARRS_z 13.54 1.13 21.071 0.091 AB
PanSTARRS_y 14.13 2.26 21.025 0.173 AB

Aperture details

RA, DEC (J2000):18h53m27.21s, 28d57m08.10s
semi major axis, semi minor axis (arcsec):8.74, 6.76
angle (degrees, anti-clockwise from east):-179.0
Warning: possible contaminating objects in the global aperture
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_i 3502.28 2.31 15.039 0.001 AB
PanSTARRS_z 3923.19 6.36 14.916 0.002 AB
PanSTARRS_y 4510.45 12.36 14.764 0.003 AB
2MASS_J 7431.81 178.96 13.327 0.026 Vega
2MASS_H 7581.24 281.32 12.833 0.040 Vega
2MASS_K 7039.83 289.07 12.443 0.045 Vega
WISE_W1 3101.25 46.75 12.472 0.016 Vega
WISE_W2 1958.13 40.33 12.331 0.022 Vega
WISE_W3 4612.57 98.76 9.566 0.023 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.288 8.562 8.767
{\rm log}_{10}({\rm SFR}) -1.649 -1.076 -0.497
{\rm log}_{10}({\rm sSFR}) -10.250 -9.659 -8.961
{\rm stellar\ age} 2.624 6.225 7.950

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.547 -0.886 -0.200
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.293 -0.669 0.059

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.475 0.930 1.465
\delta -0.331 0.028 0.290
\tau_1/\tau_2 0.510 0.900 1.313
Q_{PAH} 1.203 2.932 5.194
U_{min} 2.870 7.697 15.031
{\rm log}_{10}(\gamma_e)\, -3.076 -2.123 -1.044

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.969 -0.638 0.033
{\rm log}_{10}(\tau_{AGN})\, 1.083 1.509 1.937

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.567 -1.001 -0.562
0.03-0.10 Gyr -2.110 -1.225 -0.486
0.10-0.33 Gyr -2.633 -1.534 -0.894
0.33-1.07 Gyr -2.879 -1.584 -0.973
1.07-3.51 Gyr -2.841 -1.555 -1.163
3.51-11.49 Gyr -2.636 -1.462 -1.113
11.49-12.77 Gyr -2.704 -1.431 -0.756

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.895 11.054 11.182
{\rm log}_{10}({\rm SFR}) -0.075 0.604 1.077
{\rm log}_{10}({\rm sSFR}) -11.032 -10.448 -9.923
{\rm stellar\ age} 6.202 7.827 11.345

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.878 -0.610 -0.447
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.184 -0.607 0.194

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.070 0.177 0.328
\delta -0.851 -0.500 0.028
\tau_1/\tau_2 0.416 0.975 1.524
Q_{PAH} 0.520 1.304 3.844
U_{min} 2.465 7.016 14.475
{\rm log}_{10}(\gamma_e)\, -3.291 -2.357 -1.158

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.211 -3.147 -2.087
{\rm log}_{10}(\tau_{AGN})\, 1.125 1.618 1.943

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr 0.273 0.697 0.923
0.03-0.10 Gyr -1.507 0.498 1.157
0.10-0.33 Gyr -1.896 0.192 0.902
0.33-1.07 Gyr -1.617 0.133 0.814
1.07-3.51 Gyr -0.910 0.495 1.199
3.51-11.49 Gyr 0.153 1.081 1.306
11.49-12.77 Gyr 0.493 1.412 2.266