2018hgb

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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:
 

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
processed
 status
Local host SED inference
Local host SED inference
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 4.27
Cutout download processed 12.06
Global aperture construction processed 0.63
Local aperture photometry processed 5.74
Global aperture photometry processed 4.99
Validate local photometry processed 0.02
Validate global photometry processed 11.96
Host information processed 0.16
Global host SED inference processed 569.52
Local host SED inference processed 692.01
Transient information processed 0.0
Transient MWEBV processed 0.06
Host MWEBV processed 0.06
Processing status completed 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) = 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
 

Imaging data

 

Spectral Energy Distribution

 
 
 
 

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