2019ahd results

Information

Transient
Name:2019ahd
Right ascension: 10h51m11.74s
Declination:5d50m31.03s
Discovery Date:None
Classification:LBV
Redshift:0.003000
MW E(B-V):0.026
Host
Name:NGC3423
Right ascension: 10h51m14.34s
Declination:5d50m24.36s
Redshift:0.002738
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_z
DES_r
DES_z
SDSS_r
SDSS_u
SDSS_g
DES_g
DES_i
DES_Y
 

Processing Status: completed

Task Name Status Time (s)
Cutout download processed 10.03
Transient MWEBV processed 0.04
Host match processed 4.46
Host information processed 0.12
Host MWEBV processed 0.04
Global aperture construction processed 0.64
Global aperture photometry processed 5.93
Validate global photometry processed 14.24
Global host SED inference processed 403.67
Local aperture photometry processed 5.59
Validate local photometry processed 0.02
Local host SED inference processed 391.31
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):10h51m11.74s, 5d50m31.03s
semi major axis, semi minor axis (arcsec):35.31, 35.31
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 697.3 20.05 16.791 0.031 AB
GALEX_NUV 1260.25 20.76 16.149 0.018 AB
PanSTARRS_g 8646.81 20.54 14.058 0.003 AB
PanSTARRS_r 13958.51 23.8 13.538 0.002 AB
DES_r 12060.85 31.68 13.697 0.003 AB
SDSS_i 15677.02 55.86 13.412 0.004 AB
PanSTARRS_i 19171.94 25.1 13.193 0.001 AB
PanSTARRS_z 20211.78 37.83 13.136 0.002 AB
SDSS_z 16377.48 103.72 13.364 0.007 AB
DES_z 18885.36 50.1 13.210 0.003 AB
PanSTARRS_y 20018.02 74.67 13.146 0.004 AB
2MASS_J 24719.38 1019.74 12.023 0.045 Vega
2MASS_H 28808.54 1465.54 11.384 0.055 Vega
2MASS_K 21382.98 1783.08 11.237 0.091 Vega
WISE_W1 11976.56 638.72 11.005 0.058 Vega
WISE_W2 7499.25 426.32 10.873 0.062 Vega
WISE_W3 28409.94 3743.21 7.592 0.143 Vega
WISE_W4 31394.73 7830.72 6.038 0.271 Vega

Aperture details

RA, DEC (J2000):10h51m14.24s, 5d50m24.69s
semi major axis, semi minor axis (arcsec):47.95, 45.23
angle (degrees, anti-clockwise from east):-140.68
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 1299.71 30.23 16.115 0.025 AB
GALEX_NUV 2485.62 33.28 15.411 0.015 AB
PanSTARRS_i 54017.56 35.43 12.069 0.001 AB
PanSTARRS_z 61111.26 53.11 11.935 0.001 AB
DES_z 59924.71 79.28 11.956 0.001 AB
PanSTARRS_y 65755.16 103.35 11.855 0.002 AB
2MASS_H 85821.06 1936.9 10.198 0.025 Vega
WISE_W2 24523.17 584.81 9.587 0.026 Vega
WISE_W4 102299.59 11918.28 4.755 0.126 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.705 8.799 8.890
{\rm log}_{10}({\rm SFR}) -1.727 -1.316 -1.037
{\rm log}_{10}({\rm sSFR}) -10.511 -10.108 -9.803
{\rm stellar\ age} 6.674 7.806 9.854

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.679 -1.378 -1.090
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.680 -0.923 -0.001

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.396 0.535 0.678
\delta -0.099 0.142 0.300
\tau_1/\tau_2 0.696 1.056 1.413
Q_{PAH} 0.612 1.859 4.186
U_{min} 2.769 8.315 15.797
{\rm log}_{10}(\gamma_e)\, -3.328 -2.501 -1.554

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.660 -1.959 -1.460
{\rm log}_{10}(\tau_{AGN})\, 1.054 1.441 1.855

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -3.207 -2.294 -1.838
0.03-0.10 Gyr -1.618 -1.173 -0.885
0.10-0.33 Gyr -1.454 -1.125 -0.867
0.33-1.10 Gyr -2.057 -1.506 -1.203
1.10-3.66 Gyr -2.018 -1.446 -1.089
3.66-12.17 Gyr -1.546 -1.117 -0.962
12.17-13.52 Gyr -1.528 -0.917 -0.288

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.022 9.153 9.299
{\rm log}_{10}({\rm SFR}) -2.277 -1.354 -0.856
{\rm log}_{10}({\rm sSFR}) -11.521 -10.513 -10.039
{\rm stellar\ age} 4.339 6.617 8.519

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.561 -1.143 -0.794
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.781 -1.081 -0.297

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.285 0.449 0.635
\delta -0.424 -0.091 0.224
\tau_1/\tau_2 0.454 0.809 1.205
Q_{PAH} 0.583 1.702 3.713
U_{min} 2.325 6.988 13.851
{\rm log}_{10}(\gamma_e)\, -3.557 -2.755 -1.749

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.738 -2.267 -1.597
{\rm log}_{10}(\tau_{AGN})\, 0.981 1.374 1.788

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -3.373 -1.738 -1.054
0.03-0.10 Gyr -2.498 -1.387 -0.759
0.10-0.33 Gyr -1.805 -1.014 -0.532
0.33-1.10 Gyr -1.445 -0.747 -0.358
1.10-3.66 Gyr -1.339 -0.784 -0.490
3.66-12.17 Gyr -1.411 -0.838 -0.585
12.17-13.52 Gyr -1.661 -0.817 -0.175