2018ddi

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Information

Transient

Name: 2018ddi
Right ascension: 3h39m35.09s
Declination: -6d19m30.28s
Discovery Date: None
Classification: Ia
Redshift: 0.020600
MW E(B-V): 0.038

Host

Name: 2018ddi
Right ascension: 3h39m35.15s
Declination: -6d19m30.05s
Redshift: 0.020600
Photometric Redshift: 0.031
 

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 2.18
Cutout download processed 3.36
Global aperture construction processed 0.77
Local aperture photometry processed 7.53
Global aperture photometry processed 7.64
Validate local photometry processed 0.03
Validate global photometry processed 20.16
Host information processed 0.09
Global host SED inference processed 378.68
Local host SED inference processed 468.54
Transient information processed 0.0
Transient MWEBV processed 0.05
Host MWEBV processed 0.11
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) = 3h39m35.09s, -6d19m30.28s
semi major axis, semi minor axis (arcsec) = 4.8, 4.8
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 82.49 6.97 19.109 0.092 AB
SDSS_u 205.32 5.48 18.119 0.029 AB
SDSS_g 425.54 5.55 17.328 0.014 AB
DES_g 520.78 0.94 17.108 0.002 AB
PanSTARRS_g 446.77 1.66 17.275 0.004 AB
SDSS_r 741.27 7.49 16.725 0.011 AB
PanSTARRS_r 657.89 1.51 16.855 0.002 AB
DES_r 726.87 1.79 16.746 0.003 AB
SDSS_i 768.58 8.22 16.686 0.012 AB
PanSTARRS_i 768.83 1.62 16.685 0.002 AB
PanSTARRS_z 868.04 3.1 16.554 0.004 AB
SDSS_z 934.22 22.08 16.474 0.026 AB
DES_z 1000.66 4.76 16.399 0.005 AB
PanSTARRS_y 1022.36 7.2 16.376 0.008 AB
2MASS_J 946.62 107.34 15.565 0.123 Vega
2MASS_H 1216.98 174.09 14.819 0.155 Vega
2MASS_K 786.77 223.63 14.823 0.309 Vega

Aperture details

RA, DEC (J2000) = 3h39m35.14s, -6d19m29.80s
semi major axis, semi minor axis (arcsec) = 4.98, 4.89
angle (degrees, anti-clockwise from east) = -106.71

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 94.94 7.47 18.956 0.085 AB
GALEX_NUV 101.77 4.53 18.881 0.048 AB
SDSS_u 210.95 5.64 18.090 0.029 AB
SDSS_g 433.43 5.61 17.308 0.014 AB
DES_g 525.98 0.95 17.098 0.002 AB
PanSTARRS_g 454.81 1.7 17.255 0.004 AB
PanSTARRS_r 667.49 1.54 16.839 0.003 AB
DES_r 736.42 1.8 16.732 0.003 AB
SDSS_i 780.13 8.32 16.670 0.012 AB
PanSTARRS_i 782.18 1.65 16.667 0.002 AB
PanSTARRS_z 882.67 3.15 16.536 0.004 AB
SDSS_z 969.59 22.67 16.434 0.025 AB
DES_z 1015.27 4.79 16.384 0.005 AB
PanSTARRS_y 1034.83 7.31 16.363 0.008 AB
2MASS_J 1088.94 124.65 15.413 0.124 Vega
2MASS_H 1252.45 200.33 14.788 0.174 Vega
2MASS_K 876.44 259.83 14.705 0.322 Vega
WISE_W1 441.79 13.7 14.588 0.034 Vega
WISE_W2 273.82 17.34 14.467 0.069 Vega
WISE_W3 861.02 73.02 11.388 0.092 Vega
WISE_W4 2362.35 611.67 8.847 0.281 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})\, 8.794 8.970 9.133
{\rm log}_{10}({\rm SFR}) -0.637 -0.221 0.263
{\rm log}_{10}({\rm sSFR}) -9.654 -9.203 -8.681
{\rm stellar\ age} 2.090 5.712 7.431

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.559 -0.761 -0.322
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.394 0.164 0.353

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.166 0.599 1.097
\delta -0.218 0.070 0.216
\tau_1/\tau_2 0.708 1.079 1.498
Q_{PAH} 0.500 1.729 3.362
U_{min} 2.758 8.294 15.772
{\rm log}_{10}(\gamma_e)\, -3.384 -1.975 -0.953

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.433 -2.819 -0.722
{\rm log}_{10}(\tau_{AGN})\, 1.072 1.561 1.979

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.075 -0.802 -0.468
0.03-0.10 Gyr -0.544 -0.093 0.402
0.10-0.33 Gyr -1.183 -0.525 -0.042
0.33-1.10 Gyr -1.831 -0.967 -0.634
1.10-3.66 Gyr -1.855 -1.038 -0.712
3.66-12.13 Gyr -2.380 -1.119 -0.826
12.13-13.48 Gyr -2.587 -1.159 -0.555

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.959 9.018 9.083
{\rm log}_{10}({\rm SFR}) -0.739 -0.556 -0.385
{\rm log}_{10}({\rm sSFR}) -9.777 -9.585 -9.383
{\rm stellar\ age} 6.839 7.668 8.933

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.684 -0.541 -0.426
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, 0.011 0.107 0.227

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.059 0.099 0.183
\delta -0.814 -0.506 -0.152
\tau_1/\tau_2 0.818 1.142 1.501
Q_{PAH} 0.301 0.851 1.884
U_{min} 2.951 7.654 14.057
{\rm log}_{10}(\gamma_e)\, -2.691 -1.934 -1.410

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.277 -3.297 -2.441
{\rm log}_{10}(\tau_{AGN})\, 1.052 1.524 1.913

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.221 -1.092 -0.983
0.03-0.10 Gyr -0.635 -0.434 -0.250
0.10-0.33 Gyr -1.460 -0.947 -0.685
0.33-1.10 Gyr -1.667 -1.272 -1.021
1.10-3.66 Gyr -1.547 -1.167 -0.944
3.66-12.13 Gyr -1.047 -0.880 -0.768
12.13-13.48 Gyr -1.103 -0.709 -0.270