2018ctb

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Information

Transient

Name: 2018ctb
Right ascension: 22h01m08.08s
Declination: 20d03m04.25s
Discovery Date: None
Classification: Ia
Redshift: 0.029000
MW E(B-V): 0.081

Host

Name: 2018ctb
Right ascension: 22h01m08.30s
Declination: 20d02m59.11s
Redshift: 0.028601
Photometric Redshift: 0.033
 

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 2.53
Cutout download processed 21.25
Global aperture construction processed 0.65
Local aperture photometry processed 7.41
Global aperture photometry processed 7.55
Validate local photometry processed 0.03
Validate global photometry processed 19.72
Host information processed 0.09
Global host SED inference processed 370.22
Local host SED inference processed 544.49
Transient information processed 0.0
Transient MWEBV processed 0.05
Host MWEBV processed 0.09
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) = 22h01m08.08s, 20d03m04.25s
semi major axis, semi minor axis (arcsec) = 3.49, 3.49
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_u 88.11 3.5 19.037 0.043 AB
SDSS_g 267.63 4.4 17.831 0.018 AB
DES_g 288.58 0.74 17.749 0.003 AB
PanSTARRS_g 290.87 0.83 17.741 0.003 AB
SDSS_r 452.61 5.75 17.261 0.014 AB
PanSTARRS_r 490.5 0.95 17.173 0.002 AB
DES_r 522.33 1.59 17.105 0.003 AB
SDSS_i 578.45 6.99 16.994 0.013 AB
PanSTARRS_i 603.31 0.96 16.949 0.002 AB
PanSTARRS_z 723.0 2.58 16.752 0.004 AB
SDSS_z 723.44 13.46 16.751 0.020 AB
DES_z 722.81 6.67 16.752 0.010 AB
PanSTARRS_y 867.08 6.6 16.555 0.008 AB
2MASS_J 938.08 92.78 15.575 0.107 Vega
2MASS_H 1187.97 138.49 14.845 0.127 Vega
2MASS_K 1046.83 161.31 14.513 0.167 Vega

Aperture details

RA, DEC (J2000) = 22h01m08.30s, 20d02m59.35s
semi major axis, semi minor axis (arcsec) = 14.66, 8.62
angle (degrees, anti-clockwise from east) = -45.61

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 90.32 7.31 19.011 0.088 AB
GALEX_NUV 131.6 5.29 18.602 0.044 AB
SDSS_u 403.79 9.79 17.385 0.026 AB
SDSS_g 1446.18 10.58 15.999 0.008 AB
DES_g 1521.88 1.75 15.944 0.001 AB
PanSTARRS_g 1539.79 2.6 15.931 0.002 AB
SDSS_r 2543.93 14.09 15.386 0.006 AB
PanSTARRS_r 2624.98 2.89 15.352 0.001 AB
DES_r 2786.48 3.75 15.287 0.001 AB
SDSS_i 3340.03 18.18 15.091 0.006 AB
PanSTARRS_i 3367.9 3.0 15.082 0.001 AB
PanSTARRS_z 4060.91 8.2 14.878 0.002 AB
SDSS_z 4185.42 40.94 14.846 0.011 AB
DES_z 4308.81 16.41 14.814 0.004 AB
PanSTARRS_y 4929.6 21.15 14.668 0.005 AB
2MASS_J 5872.62 306.96 13.583 0.057 Vega
2MASS_H 7272.47 457.66 12.878 0.068 Vega
2MASS_K 6015.07 534.74 12.614 0.097 Vega
WISE_W1 3175.66 35.72 12.446 0.012 Vega
WISE_W2 1960.49 38.15 12.330 0.021 Vega
WISE_W3 9976.71 143.67 8.729 0.016 Vega
WISE_W4 11734.26 1044.76 7.106 0.097 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})\, 9.130 9.317 9.461
{\rm log}_{10}({\rm SFR}) -1.165 -0.491 0.009
{\rm log}_{10}({\rm sSFR}) -10.501 -9.811 -9.212
{\rm stellar\ age} 3.721 6.661 8.567

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.613 -1.086 -0.654
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.825 -0.181 0.252

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.188 0.605 1.026
\delta -0.640 -0.243 0.064
\tau_1/\tau_2 0.648 0.988 1.352
Q_{PAH} 0.466 2.229 3.946
U_{min} 2.580 7.688 14.675
{\rm log}_{10}(\gamma_e)\, -3.548 -2.682 -1.273

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.333 -2.493 -0.408
{\rm log}_{10}(\tau_{AGN})\, 0.930 1.327 1.879

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.010 -0.626 -0.263
0.03-0.10 Gyr -1.436 -0.476 0.109
0.10-0.33 Gyr -1.541 -0.577 0.005
0.33-1.10 Gyr -1.620 -0.755 -0.300
1.10-3.63 Gyr -1.672 -0.737 -0.409
3.63-12.04 Gyr -1.363 -0.686 -0.427
12.04-13.37 Gyr -1.432 -0.638 -0.020

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.070 10.140 10.219
{\rm log}_{10}({\rm SFR}) -0.164 0.019 0.208
{\rm log}_{10}({\rm sSFR}) -10.303 -10.112 -9.933
{\rm stellar\ age} 6.478 7.469 8.671

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.952 -0.703 -0.512
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.526 -0.100 0.173

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.315 0.465 0.621
\delta -0.211 -0.021 0.117
\tau_1/\tau_2 0.773 1.122 1.462
Q_{PAH} 0.709 1.406 2.363
U_{min} 3.084 7.730 14.227
{\rm log}_{10}(\gamma_e)\, -3.020 -2.331 -1.867

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.344 -3.482 -2.527
{\rm log}_{10}(\tau_{AGN})\, 1.082 1.612 1.992

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.076 0.053 0.182
0.03-0.10 Gyr -0.265 0.004 0.249
0.10-0.33 Gyr -0.320 -0.025 0.217
0.33-1.10 Gyr -0.479 -0.078 0.182
1.10-3.63 Gyr -0.316 0.068 0.291
3.63-12.04 Gyr 0.070 0.249 0.386
12.04-13.37 Gyr -0.076 0.357 0.797