2018ldu results

Information

Transient
Name:2018ldu
Right ascension: 9h09m32.49s
Declination:20d24m25.13s
Discovery Date:None
Classification:SNII
Redshift:0.026700
MW E(B-V):0.034
Host
Name:25804
Right ascension: 9h09m33.03s
Declination:20d24m27.47s
Redshift:0.027000
Photometric Redshift:None
 

Cutout Download Report

Downloaded Unavailable
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_z
 DES_i
DES_Y
 

Processing Status: completed

Task Name Status Time (s)
Cutout download processed 18.35
Transient MWEBV processed 0.04
Host match processed 4.16
Host information processed 0.09
Host MWEBV processed 0.03
Global aperture construction processed 0.61
Global aperture photometry processed 6.71
Validate global photometry processed 19.44
Global host SED inference processed 387.88
Local aperture photometry processed 7.09
Validate local photometry processed 0.04
Local host SED inference processed 504.99
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):9h09m32.49s, 20d24m25.13s
semi major axis, semi minor axis (arcsec):3.69, 3.69
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 76.1 3.74 19.197 0.053 AB
SDSS_g 158.75 3.41 18.398 0.023 AB
DES_g 165.91 0.76 18.350 0.005 AB
PanSTARRS_g 171.47 0.91 18.315 0.006 AB
SDSS_r 221.68 4.2 18.036 0.021 AB
PanSTARRS_r 238.01 0.91 17.959 0.004 AB
DES_r 238.32 1.43 17.957 0.007 AB
SDSS_i 256.84 5.24 17.876 0.022 AB
PanSTARRS_i 263.47 1.14 17.848 0.005 AB
PanSTARRS_z 305.71 2.35 17.687 0.008 AB
SDSS_z 286.96 12.81 17.755 0.048 AB
DES_z 296.86 3.87 17.719 0.014 AB
PanSTARRS_y 341.15 6.17 17.568 0.020 AB
2MASS_J 354.77 75.87 16.630 0.232 Vega
2MASS_H 309.38 133.18 16.306 0.467 Vega
2MASS_K 291.11 131.22 15.902 0.489 Vega

Aperture details

RA, DEC (J2000):9h09m32.97s, 20d24m28.43s
semi major axis, semi minor axis (arcsec):22.02, 12.3
angle (degrees, anti-clockwise from east):-167.58
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 279.33 11.66 17.785 0.045 AB
GALEX_NUV 370.94 3.0 17.477 0.009 AB
SDSS_u 884.63 15.55 16.533 0.019 AB
SDSS_g 2098.09 12.66 15.595 0.007 AB
DES_g 2217.2 2.85 15.535 0.001 AB
PanSTARRS_g 2186.76 3.99 15.550 0.002 AB
SDSS_r 3124.25 16.33 15.163 0.006 AB
DES_r 3385.78 5.48 15.076 0.002 AB
SDSS_i 3843.47 21.56 14.938 0.006 AB
PanSTARRS_i 3802.4 5.05 14.950 0.001 AB
PanSTARRS_z 4448.93 10.41 14.779 0.003 AB
SDSS_z 4926.92 56.87 14.669 0.013 AB
PanSTARRS_y 4987.41 27.48 14.655 0.006 AB
2MASS_J 5671.54 343.22 13.621 0.066 Vega
2MASS_H 5029.88 602.06 13.279 0.130 Vega
2MASS_K 4822.71 593.93 12.854 0.134 Vega
WISE_W1 2766.12 37.55 12.596 0.015 Vega
WISE_W2 1630.27 43.88 12.530 0.029 Vega
WISE_W3 7061.85 211.41 9.104 0.033 Vega
WISE_W4 6919.69 1347.03 7.680 0.211 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.384 8.715 8.902
{\rm log}_{10}({\rm SFR}) -1.237 -0.461 0.096
{\rm log}_{10}({\rm sSFR}) -10.023 -9.173 -8.332
{\rm stellar\ age} 0.966 5.574 7.667

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.717 -1.206 -0.576
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.853 -1.225 0.252

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.185 0.537 0.942
\delta -0.592 -0.226 0.099
\tau_1/\tau_2 0.691 1.106 1.522
Q_{PAH} 0.654 1.875 3.941
U_{min} 3.019 8.539 16.439
{\rm log}_{10}(\gamma_e)\, -3.403 -2.013 -0.828

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.177 -2.538 -0.727
{\rm log}_{10}(\tau_{AGN})\, 1.036 1.554 2.018

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.576 -1.188 -0.833
0.03-0.10 Gyr -1.206 -0.326 0.245
0.10-0.33 Gyr -2.076 -0.933 -0.339
0.33-1.10 Gyr -3.408 -1.364 -0.887
1.10-3.64 Gyr -3.743 -1.419 -0.976
3.64-12.06 Gyr -3.994 -1.466 -1.039
12.06-13.40 Gyr -4.068 -1.469 -0.702

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.784 9.891 9.978
{\rm log}_{10}({\rm SFR}) 0.426 0.610 0.852
{\rm log}_{10}({\rm sSFR}) -9.524 -9.282 -8.966
{\rm stellar\ age} 5.954 7.127 8.636

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.601 -0.464 -0.378
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.055 0.188 0.403

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.141 0.226 0.365
\delta -0.806 -0.543 -0.334
\tau_1/\tau_2 0.603 0.977 1.379
Q_{PAH} 0.635 1.342 2.175
U_{min} 3.024 7.850 14.865
{\rm log}_{10}(\gamma_e)\, -3.277 -2.480 -1.885

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.187 -3.184 -2.320
{\rm log}_{10}(\tau_{AGN})\, 1.022 1.508 1.932

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.836 -0.329 -0.127
0.03-0.10 Gyr 0.561 0.760 1.006
0.10-0.33 Gyr -1.253 -0.248 0.198
0.33-1.10 Gyr -1.111 -0.349 -0.050
1.10-3.64 Gyr -0.844 -0.211 0.033
3.64-12.06 Gyr -0.417 -0.045 0.102
12.06-13.40 Gyr -0.559 0.027 0.597