2017dau results

Information

Transient
Name:AT2017dau
Right ascension: 14h14m17.09s
Declination:35d25m43.64s
Discovery Date:April 12, 2017, 11:34 a.m.
Classification:LBV
Redshift:0.010620
MW E(B-V):0.020
Host
Name:
Right ascension: 14h14m14.76s
Declination:35d25m25.14s
Redshift:0.010624
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_z
 DES_r
DES_i
DES_Y
 

Processing Status: completed

Task Name Status Time (s)
Cutout download processed 17.75
Transient MWEBV processed 0.06
Host match processed 7.53
Host information processed 0.09
Host MWEBV processed 0.05
Global aperture construction processed 0.65
Global aperture photometry processed 6.77
Validate global photometry processed 20.86
Global host SED inference processed 430.04
Local aperture photometry processed 6.62
Validate local photometry processed 0.02
Local host SED inference processed 421.12
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):14h14m17.09s, 35d25m43.64s
semi major axis, semi minor axis (arcsec):9.19, 9.19
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 26.32 6.76 20.349 0.279 AB
GALEX_NUV 33.54 2.81 20.086 0.091 AB
SDSS_u 54.54 7.2 19.558 0.143 AB
SDSS_g 214.98 5.05 18.069 0.026 AB
DES_g 245.45 1.42 17.925 0.006 AB
PanSTARRS_g 227.2 2.52 18.009 0.012 AB
SDSS_r 342.81 6.38 17.562 0.020 AB
PanSTARRS_r 350.41 3.29 17.539 0.010 AB
SDSS_i 381.89 9.6 17.445 0.027 AB
PanSTARRS_i 394.17 2.19 17.411 0.006 AB
PanSTARRS_z 400.1 5.13 17.395 0.014 AB
SDSS_z 450.58 27.96 17.266 0.067 AB
DES_z 326.69 3.83 17.615 0.013 AB
PanSTARRS_y 522.93 12.09 17.104 0.025 AB
2MASS_J 458.57 171.08 16.352 0.405 Vega
2MASS_H 672.82 267.38 15.463 0.431 Vega
2MASS_K 660.61 304.23 15.012 0.500 Vega
WISE_W1 188.98 10.78 15.510 0.062 Vega
WISE_W2 124.3 13.57 15.325 0.119 Vega
WISE_W3 509.45 68.01 11.958 0.145 Vega

Aperture details

RA, DEC (J2000):14h14m14.69s, 35d25m24.90s
semi major axis, semi minor axis (arcsec):51.26, 16.39
angle (degrees, anti-clockwise from east):-122.46
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_NUV 297.46 8.62 17.716 0.031 AB
SDSS_u 1102.97 23.43 16.294 0.023 AB
PanSTARRS_g 4252.08 7.64 14.828 0.002 AB
PanSTARRS_r 7749.95 10.4 14.177 0.001 AB
PanSTARRS_i 10538.7 6.83 13.843 0.001 AB
PanSTARRS_z 13023.61 15.64 13.613 0.001 AB
SDSS_z 14509.43 91.9 13.496 0.007 AB
DES_z 12434.77 20.0 13.663 0.002 AB
PanSTARRS_y 15617.72 38.15 13.416 0.003 AB
2MASS_H 27757.68 850.01 11.424 0.033 Vega
2MASS_K 23609.18 967.35 11.129 0.044 Vega
WISE_W1 15045.96 72.24 10.757 0.005 Vega
WISE_W2 9836.15 81.39 10.579 0.009 Vega
WISE_W3 54785.65 324.14 6.879 0.006 Vega
WISE_W4 60325.07 4042.29 5.329 0.073 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.013 8.114 8.200
{\rm log}_{10}({\rm SFR}) -2.466 -2.155 -1.830
{\rm log}_{10}({\rm sSFR}) -10.580 -10.273 -9.929
{\rm stellar\ age} 5.213 6.658 7.778

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.879 -1.666 -1.357
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.626 -0.060 0.293

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.122 0.219 0.346
\delta -0.601 -0.223 0.139
\tau_1/\tau_2 0.652 0.942 1.250
Q_{PAH} 0.756 1.746 3.252
U_{min} 3.156 7.923 14.284
{\rm log}_{10}(\gamma_e)\, -2.351 -1.444 -0.738

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.085 -2.621 -1.456
{\rm log}_{10}(\tau_{AGN})\, 1.056 1.539 1.957

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.406 -2.150 -1.928
0.03-0.10 Gyr -2.607 -2.165 -1.759
0.10-0.33 Gyr -2.416 -1.991 -1.638
0.33-1.10 Gyr -2.265 -1.881 -1.595
1.10-3.64 Gyr -2.015 -1.750 -1.560
3.64-12.07 Gyr -2.101 -1.817 -1.648
12.07-13.41 Gyr -2.340 -1.855 -1.431

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.820 9.964 10.096
{\rm log}_{10}({\rm SFR}) -0.746 -0.419 -0.111
{\rm log}_{10}({\rm sSFR}) -10.751 -10.397 -10.004
{\rm stellar\ age} 5.875 7.429 8.903

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.674 -1.191 -0.797
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.863 -1.247 0.220

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.972 1.167 1.336
\delta 0.073 0.269 0.364
\tau_1/\tau_2 0.487 0.787 1.112
Q_{PAH} 1.254 2.047 3.220
U_{min} 2.732 7.436 14.118
{\rm log}_{10}(\gamma_e)\, -3.493 -2.857 -2.241

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.065 -2.080 -1.716
{\rm log}_{10}(\tau_{AGN})\, 0.894 1.215 1.700

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.943 -0.361 0.011
0.03-0.10 Gyr -1.060 -0.483 -0.120
0.10-0.33 Gyr -1.123 -0.463 -0.074
0.33-1.10 Gyr -1.372 -0.464 -0.058
1.10-3.64 Gyr -0.647 -0.077 0.224
3.64-12.07 Gyr -0.357 0.040 0.267
12.07-13.41 Gyr -0.729 0.058 0.693