2018cht

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Information

Transient

Name: AT2018cht
Right ascension: 23h44m31.44s
Declination: -16d36m15.70s
Discovery Date: June 5, 2018, 1:17 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.023

Host

Name: 2018cht
Right ascension: 23h44m31.37s
Declination: -16d36m15.32s
Redshift: None
Photometric Redshift: 0.054
 

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 1.92
Cutout download processed 4.36
Global aperture construction processed 0.81
Local aperture photometry processed 4.61
Global aperture photometry processed 4.36
Validate local photometry processed 0.02
Validate global photometry processed 12.24
Host information processed 0.08
Global host SED inference processed 424.55
Local host SED inference processed 425.36
Transient information processed 0.0
Transient MWEBV processed 0.04
Host MWEBV processed 0.08
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) = 23h44m31.44s, -16d36m15.70s
semi major axis, semi minor axis (arcsec) = 1.89, 1.89
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_g 96.78 0.47 18.936 0.005 AB
PanSTARRS_r 120.13 0.62 18.701 0.006 AB
PanSTARRS_i 154.97 0.62 18.424 0.004 AB
PanSTARRS_z 169.97 1.36 18.324 0.009 AB
PanSTARRS_y 183.7 2.66 18.240 0.016 AB

Aperture details

RA, DEC (J2000) = 23h44m31.36s, -16d36m15.21s
semi major axis, semi minor axis (arcsec) = 6.12, 4.41
angle (degrees, anti-clockwise from east) = -15.22

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 24.82 3.63 20.413 0.159 AB
PanSTARRS_g 213.68 1.21 18.076 0.006 AB
PanSTARRS_r 293.65 1.63 17.730 0.006 AB
PanSTARRS_i 353.05 1.63 17.530 0.005 AB
PanSTARRS_z 384.04 3.64 17.439 0.010 AB
PanSTARRS_y 413.29 7.18 17.359 0.019 AB
2MASS_J 546.89 150.63 16.160 0.299 Vega
2MASS_H 132.86 207.61 17.224 1.697 Vega
2MASS_K 58.91 245.94 17.637 4.532 Vega
WISE_W1 203.45 11.57 15.430 0.062 Vega
WISE_W3 163.06 70.08 13.195 0.467 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})\, 8.891 9.076 9.241
{\rm log}_{10}({\rm SFR}) -1.251 -0.752 -0.198
{\rm log}_{10}({\rm sSFR}) -10.377 -9.818 -9.261
{\rm stellar\ age} 1.890 5.087 7.127

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.604 -0.954 -0.404
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.459 -0.960 -0.495

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.154 0.448 0.780
\delta -0.585 -0.155 0.197
\tau_1/\tau_2 0.681 1.049 1.408
Q_{PAH} 1.045 2.721 4.899
U_{min} 2.907 8.228 15.430
{\rm log}_{10}(\gamma_e)\, -3.103 -2.000 -0.802

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.232 -1.317 -0.639
{\rm log}_{10}(\tau_{AGN})\, 0.909 1.473 1.990

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.224 -0.913 -0.639
0.03-0.10 Gyr -1.406 -0.707 -0.078
0.10-0.33 Gyr -1.146 -0.470 0.013
0.33-1.08 Gyr -1.137 -0.588 -0.229
1.08-3.56 Gyr -1.619 -0.819 -0.531
3.56-11.73 Gyr -2.267 -1.036 -0.663
11.73-13.03 Gyr -2.388 -1.070 -0.435

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.405 9.524 9.625
{\rm log}_{10}({\rm SFR}) -1.278 -0.745 -0.220
{\rm log}_{10}({\rm sSFR}) -10.755 -10.250 -9.761
{\rm stellar\ age} 4.988 6.545 7.815

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.620 -1.234 -0.879
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.564 -0.526 0.205

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.062 0.173 0.319
\delta -0.539 -0.084 0.234
\tau_1/\tau_2 0.644 1.022 1.391
Q_{PAH} 1.190 3.461 5.507
U_{min} 2.702 7.740 15.408
{\rm log}_{10}(\gamma_e)\, -2.817 -1.599 -0.536

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.491 -1.937 -1.110
{\rm log}_{10}(\tau_{AGN})\, 1.072 1.553 1.919

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.265 -1.233 -0.892
0.03-0.10 Gyr -1.294 -0.647 -0.075
0.10-0.33 Gyr -0.887 -0.352 -0.011
0.33-1.08 Gyr -0.854 -0.384 -0.105
1.08-3.56 Gyr -0.776 -0.402 -0.152
3.56-11.73 Gyr -0.785 -0.423 -0.232
11.73-13.03 Gyr -1.044 -0.393 0.113