2018ddo

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Information

Transient

Name: AT2018ddo
Right ascension: 0h56m33.25s
Declination: -18d39m35.64s
Discovery Date: July 6, 2018, 2:12 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.016

Host

Name: 865328
Right ascension: 0h56m33.71s
Declination: -18d39m37.11s
Redshift: 0.055312
Photometric Redshift:
 

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 4.01
Cutout download processed 10.88
Global aperture construction processed 0.59
Local aperture photometry processed 5.82
Global aperture photometry processed 5.24
Validate local photometry processed 0.02
Validate global photometry processed 13.74
Host information processed 0.16
Global host SED inference processed 440.25
Local host SED inference processed 445.35
Transient information processed 0.0
Transient MWEBV processed 0.04
Host MWEBV processed 0.04
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) = 0h56m33.25s, -18d39m35.64s
semi major axis, semi minor axis (arcsec) = 1.86, 1.86
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_g 13.29 0.15 21.091 0.012 AB
PanSTARRS_g 13.76 0.48 21.053 0.038 AB
PanSTARRS_r 27.71 0.92 20.294 0.036 AB
DES_r 28.97 0.23 20.245 0.009 AB
PanSTARRS_i 41.14 0.78 19.864 0.021 AB
PanSTARRS_z 51.29 1.51 19.625 0.032 AB
DES_z 50.33 0.76 19.645 0.016 AB
PanSTARRS_y 67.16 3.54 19.332 0.057 AB

Aperture details

RA, DEC (J2000) = 0h56m33.68s, -18d39m37.19s
semi major axis, semi minor axis (arcsec) = 10.86, 9.52
angle (degrees, anti-clockwise from east) = -133.54

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 14.54 2.78 20.994 0.208 AB
GALEX_NUV 26.69 2.6 20.334 0.106 AB
DES_g 826.56 1.06 16.607 0.001 AB
PanSTARRS_g 829.27 2.67 16.603 0.003 AB
PanSTARRS_r 1667.71 5.05 15.845 0.003 AB
DES_r 1809.68 1.72 15.756 0.001 AB
PanSTARRS_i 2379.58 4.24 15.459 0.002 AB
PanSTARRS_z 2913.41 8.26 15.239 0.003 AB
DES_z 3189.75 5.72 15.141 0.002 AB
PanSTARRS_y 3580.12 19.33 15.015 0.006 AB
2MASS_J 4669.58 230.98 13.832 0.054 Vega
2MASS_H 5220.67 373.42 13.238 0.078 Vega
2MASS_K 5141.52 380.88 12.784 0.080 Vega
WISE_W1 1964.73 31.14 12.968 0.017 Vega
WISE_W2 1103.67 37.03 12.954 0.036 Vega
WISE_W3 623.84 122.14 11.738 0.213 Vega
WISE_W4 -139.12 489.17 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})\, 8.894 9.021 9.143
{\rm log}_{10}({\rm SFR}) -2.383 -1.599 -1.036
{\rm log}_{10}({\rm sSFR}) -11.392 -10.625 -10.063
{\rm stellar\ age} 6.737 7.924 11.480

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.497 -0.949 -0.421
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.670 -0.459 0.291

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.555 0.971 1.311
\delta -0.310 0.011 0.242
\tau_1/\tau_2 0.641 1.016 1.369
Q_{PAH} 0.839 2.785 5.427
U_{min} 2.915 8.224 14.795
{\rm log}_{10}(\gamma_e)\, -2.771 -1.628 -0.672

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.534 -0.720 -0.071
{\rm log}_{10}(\tau_{AGN})\, 1.185 1.605 2.024

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.703 -1.730 -1.127
0.03-0.10 Gyr -2.602 -1.640 -1.006
0.10-0.33 Gyr -3.044 -1.809 -1.152
0.33-1.08 Gyr -3.342 -1.857 -1.183
1.08-3.56 Gyr -3.105 -1.487 -0.925
3.56-11.72 Gyr -1.612 -0.899 -0.711
11.72-13.02 Gyr -1.318 -0.655 0.155

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.653 10.713 10.788
{\rm log}_{10}({\rm SFR}) -0.845 -0.465 -0.104
{\rm log}_{10}({\rm sSFR}) -11.570 -11.158 -10.797
{\rm stellar\ age} 8.073 10.392 12.248

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.664 -0.521 -0.417
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.509 0.227 0.416

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.138 0.202 0.300
\delta -0.887 -0.694 -0.450
\tau_1/\tau_2 0.590 0.983 1.425
Q_{PAH} 0.214 0.699 1.932
U_{min} 2.957 7.858 15.659
{\rm log}_{10}(\gamma_e)\, -2.783 -1.665 -1.036

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.570 -3.844 -2.911
{\rm log}_{10}(\tau_{AGN})\, 1.048 1.579 1.928

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.169 -0.587 -0.315
0.03-0.10 Gyr -1.032 -0.452 0.003
0.10-0.33 Gyr -1.806 -0.723 -0.213
0.33-1.08 Gyr -2.822 -1.032 -0.428
1.08-3.56 Gyr -2.557 -0.917 -0.204
3.56-11.72 Gyr -0.801 0.644 0.923
11.72-13.02 Gyr 0.825 1.631 1.917