2018ddm

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Information

Transient

Name: AT2018ddm
Right ascension: 22h24m50.16s
Declination: -25d27m52.84s
Discovery Date: July 6, 2018, 12:34 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.020

Host

Name: 2018ddm
Right ascension: 22h24m50.37s
Declination: -25d27m53.95s
Redshift: None
Photometric Redshift: 0.118
 

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
no valid phot
 status
Local host SED inference
Local host SED inference
not 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 1.98
Cutout download processed 4.02
Global aperture construction processed 0.69
Local aperture photometry processed 4.19
Global aperture photometry processed 4.4
Validate local photometry no valid phot 0.02
Validate global photometry processed 12.36
Host information processed 0.08
Global host SED inference processed 397.84
Local host SED inference not processed None
Transient information processed 0.0
Transient MWEBV processed 0.06
Host MWEBV processed 0.11
Processing status blocked 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) = 22h24m50.16s, -25d27m52.84s
semi major axis, semi minor axis (arcsec) = 0.94, 0.94
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys

Data not available


Aperture details

RA, DEC (J2000) = 22h24m50.36s, -25d27m53.79s
semi major axis, semi minor axis (arcsec) = 4.87, 3.67
angle (degrees, anti-clockwise from east) = -75.24

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 12.87 2.63 21.126 0.222 AB
GALEX_NUV 15.8 1.86 20.903 0.128 AB
PanSTARRS_g 156.98 1.08 18.410 0.007 AB
PanSTARRS_r 258.76 1.32 17.868 0.006 AB
PanSTARRS_i 351.49 1.61 17.535 0.005 AB
PanSTARRS_z 395.83 3.37 17.406 0.009 AB
PanSTARRS_y 446.36 8.34 17.276 0.020 AB
2MASS_J 758.92 120.08 15.805 0.172 Vega
2MASS_H 667.61 197.55 15.471 0.321 Vega
2MASS_K 326.32 199.0 15.778 0.662 Vega
WISE_W1 240.31 12.02 15.249 0.054 Vega
WISE_W2 174.77 17.97 14.955 0.112 Vega
WISE_W3 627.76 77.14 11.732 0.133 Vega
WISE_W4 1297.76 532.29 9.497 0.445 Vega
 

Imaging data

 

Spectral Energy Distribution

 
 
 
 

Host SED inference


Local parameter details

Documentation

Data not available


Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.235 10.293 10.353
{\rm log}_{10}({\rm SFR}) -0.357 -0.070 0.231
{\rm log}_{10}({\rm sSFR}) -10.657 -10.364 -10.065
{\rm stellar\ age} 5.790 6.595 7.477

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.097 -0.808 -0.592
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.506 -0.248 0.244

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.120 0.193 0.313
\delta -0.806 -0.488 -0.124
\tau_1/\tau_2 0.731 1.043 1.370
Q_{PAH} 0.699 1.778 3.615
U_{min} 2.392 6.895 13.895
{\rm log}_{10}(\gamma_e)\, -2.514 -1.581 -0.775

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.718 -2.211 -1.423
{\rm log}_{10}(\tau_{AGN})\, 1.094 1.566 1.904

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.441 -0.211 -0.018
0.03-0.10 Gyr -0.389 -0.031 0.330
0.10-0.32 Gyr -0.199 0.159 0.453
0.32-1.05 Gyr -0.092 0.195 0.423
1.05-3.40 Gyr 0.068 0.336 0.532
3.40-11.01 Gyr 0.286 0.448 0.561
11.01-12.23 Gyr -0.036 0.460 0.882