2018hgb results

Information

Transient
Name:AT2018hgb
Right ascension: 4h18m56.39s
Declination:-2d33m23.51s
Discovery Date:Oct. 10, 2018, 2:24 a.m.
Classification:None
Redshift:None
MW E(B-V):0.034
Host
Name:PGC1088718
Right ascension: 4h18m56.24s
Declination:-2d33m22.04s
Redshift:0.017270
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
DES_g
DES_r
DES_z
SDSS_i
SDSS_r
SDSS_u
SDSS_z
SDSS_g
DES_i
DES_Y
 

Processing Status: blocked

Task Name Status Time (s)
Cutout download processed 12.06
Transient MWEBV processed 0.06
Host match processed 4.27
Host information processed 0.16
Host MWEBV processed 0.06
Global aperture construction processed 0.63
Global aperture photometry processed 4.99
Validate global photometry processed 11.96
Global host SED inference processed 569.52
Local aperture photometry processed 5.74
Validate local photometry processed 0.02
Local host SED inference processed 692.01
 

Imaging data


 

Spectral Energy Distribution

 

Aperture Photometry


Aperture details

RA, DEC (J2000):4h18m56.39s, -2d33m23.51s
semi major axis, semi minor axis (arcsec):5.7, 5.7
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 54.96 5.59 19.550 0.111 AB
GALEX_NUV 65.39 3.51 19.361 0.058 AB
DES_g 1743.7 1.52 15.796 0.001 AB
PanSTARRS_g 1502.45 1.63 15.958 0.001 AB
PanSTARRS_r 2998.84 2.08 15.208 0.001 AB
DES_r 3366.12 3.6 15.082 0.001 AB
PanSTARRS_i 3895.68 2.39 14.924 0.001 AB
PanSTARRS_z 4752.17 5.31 14.708 0.001 AB
DES_z 5515.18 12.45 14.546 0.002 AB
PanSTARRS_y 5595.51 11.75 14.530 0.002 AB
2MASS_H 8405.64 175.87 12.721 0.023 Vega

Aperture details

RA, DEC (J2000):4h18m56.27s, -2d33m21.61s
semi major axis, semi minor axis (arcsec):24.55, 11.32
angle (degrees, anti-clockwise from east):-105.77
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 117.85 8.19 18.722 0.075 AB
GALEX_NUV 154.09 6.0 18.431 0.042 AB
DES_g 3496.42 2.35 15.041 0.001 AB
PanSTARRS_g 3400.89 4.32 15.071 0.001 AB
PanSTARRS_r 6568.38 5.42 14.356 0.001 AB
DES_r 6889.21 5.4 14.305 0.001 AB
PanSTARRS_i 8679.55 6.54 14.054 0.001 AB
PanSTARRS_z 10427.2 14.83 13.855 0.002 AB
DES_z 11361.43 18.37 13.761 0.002 AB
PanSTARRS_y 12375.56 33.9 13.669 0.003 AB
WISE_W1 7768.94 56.96 11.475 0.008 Vega
WISE_W2 5243.32 63.01 11.262 0.013 Vega
WISE_W3 5528.34 197.62 9.370 0.039 Vega
WISE_W4 6166.58 1180.58 7.805 0.208 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.842 9.974 10.112
{\rm log}_{10}({\rm SFR}) -1.105 -0.658 -0.352
{\rm log}_{10}({\rm sSFR}) -11.034 -10.658 -10.319
{\rm stellar\ age} 7.451 8.634 12.620

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.715 -1.273 -0.680
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.493 -0.205 0.053

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.467 0.779 1.059
\delta -0.285 -0.101 0.117
\tau_1/\tau_2 0.239 0.576 1.021
Q_{PAH} 0.614 1.959 4.465
U_{min} 2.853 7.956 15.545
{\rm log}_{10}(\gamma_e)\, -3.124 -1.677 -0.909

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.401 -2.999 -1.438
{\rm log}_{10}(\tau_{AGN})\, 0.983 1.469 2.009

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.685 -0.282 0.033
0.03-0.10 Gyr -3.130 -1.536 -0.716
0.10-0.33 Gyr -4.484 -1.734 -0.834
0.33-1.10 Gyr -4.506 -1.374 -0.549
1.10-3.67 Gyr -3.424 -0.937 -0.091
3.67-12.18 Gyr -1.160 -0.004 0.208
12.18-13.53 Gyr -0.334 0.389 1.185

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.172 10.225 10.317
{\rm log}_{10}({\rm SFR}) -1.408 -1.107 -0.848
{\rm log}_{10}({\rm sSFR}) -11.635 -11.340 -11.096
{\rm stellar\ age} 8.062 9.250 12.573

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.723 -0.572 -0.436
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.534 0.095 0.373

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.117 0.194 0.308
\delta -0.511 -0.181 0.099
\tau_1/\tau_2 0.257 0.669 1.167
Q_{PAH} 0.164 0.513 1.141
U_{min} 3.344 8.019 15.403
{\rm log}_{10}(\gamma_e)\, -3.433 -2.802 -2.065

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -1.814 -1.685 -1.572
{\rm log}_{10}(\tau_{AGN})\, 0.773 0.907 1.088

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.971 -0.742 -0.518
0.03-0.10 Gyr -4.055 -1.861 -1.081
0.10-0.33 Gyr -4.527 -2.083 -1.254
0.33-1.10 Gyr -3.671 -1.670 -0.963
1.10-3.67 Gyr -2.754 -1.105 -0.334
3.67-12.18 Gyr -0.836 0.332 0.456
12.18-13.53 Gyr 0.129 0.814 1.418