HD 162020 Overview

HD 162020 0.76 R⦿ 4858.00 K
HD 162020 b
Architecture
HD 162020
HD 162020
HD 162020 b
Discovery Data
Host Planet Method Year Reference Disposition
HD 162020 HD 162020 b Radial Velocity 2002 Udry et al. 2002 Confirmed Planet
HD 162020
RA
17h50m38.38s
Dec
-40d19m06.47s
Distance
30.8248+0.0715-0.0712
pc
Parallax
32.4128000±0.0745048 mas
Ecliptic Latitude
-16.89433 deg
Ecliptic Longitude
268.13163 deg
Galactic Latitude
-6.72629 deg
Galactic Longitude
350.73899 deg
Total Proper Motion
32.4378566±0.1048749 mas/yr
Proper Motion (RA)
20.276400±0.118034 mas/yr
Proper Motion (Dec)
-25.3196000±0.0954862 mas/yr
Photometry
mV
9.10±0.03
mTESS
8.1181±0.0060
mJ
7.175±0.021
mH
6.649±0.027
mKs
6.539±0.024
mW1
6.47±0.07
mW2
6.452±0.022
mW3
6.473±0.015
mW4
6.502±0.064
mGaia
8.759490±0.000461
mB
10.105±0.045
Abundances
(Hypatia Catalog)
[Fe/H] -0.04±0.18 dex
[C/H] -0.02±0.14 dex
[O/H] 0.13±0.09 dex
[Na/H] -0.06±0.26 dex
[Mg/H] -0.09±0.08 dex
[Al/H] -0.05±0.12 dex
[Si/H] -0.07±0.10 dex
[Ca/H] -0.02±0.16 dex
[Y/H] -0.28±0.08 dex
[BaII/H] 0.04±0.15 dex
Source TICv8 Gaia DR2 Stassun et al. 2017 Turnbull 2015 Tsantaki et al. 2014 Ghezzi et al. 2010 Sousa et al. 2008 Gray et al. 2006 Valenti & Fischer 2005 Nordstrom et al. 2004 Santos et al. 2004 Udry et al. 2002 Michigan Catalog, Vol. 2 Cannon & Pickering 1918
Teff
(K)
4776.3900+111.2600-88.9089
4801.1074+39.1626-51.9150
4723±71 4702 4798±25 4891±36 4861±77 --- --- --- 4858 4830±80 --- ---
Metallicity
(dex)
-0.0146376±0.0180622 [M/H] --- -0.10 [Fe/H] --- -0.14±0.03 [Fe/H] -0.07±0.02 [Fe/H] -0.10±0.05 [Fe/H] --- --- --- -0.04 [Fe/H] 0.010±0.110 [Fe/H] --- ---
M
(M⦿)
0.7700000+0.1136090-0.0585285
--- 0.42±0.18 0.70 --- 0.75±0.10 0.694 --- --- --- 0.73 0.75 --- ---
log g
(log10(cm/s2))
4.5824500+0.0721159-0.0855158
--- 4.31±0.18 4.61 4.14±0.09 4.09±0.11 4.48±0.16 --- --- --- 4.42 4.76±0.25 --- ---
L
(log10(L⦿))
-0.5867955+0.0161811-0.0095817
-0.58900815+0.00126849-0.00127221
---
-0.602 +0.193-0.357
--- -0.688±0.071
-0.613+0.066-0.078
--- --- --- --- -0.60 --- ---
R
(R⦿)
0.7431140+0.0423628-0.0423608
0.7336108+0.0161263-0.0118233
0.75±0.03 0.76 --- 0.63±0.06 --- --- --- --- --- --- --- ---
Sp. T
--- --- --- K2V: --- --- --- K3- V k --- --- --- K3 V K2 (V) G5
Age
(Gyr)
--- --- --- --- ---
<1.0+2.0-1.0
--- --- --- --- --- 6.0±18.0 --- ---
γ
(km/s)
--- -26.549826468897805±2.300132544254476 --- --- --- --- --- --- -26.0 -27.6±1.9 --- -27.328±0.002 --- ---
v sin i
(km/s)
--- --- --- --- 1.46 --- --- --- 2.3±0.5 1 --- 1.9 --- ---
ρ
(g/cm3)
2.6453981+0.5297422-0.6433968
--- --- --- --- --- --- --- --- --- --- --- --- ---
Status
Confirmed Planet
Detected By
Radial Velocity
Tools
Source Stassun et al. 2017 Udry et al. 2002
Mp sin i
(M)
3127±874 4580
Mp sin i
(MJup)
9.840±2.750 14.4
e
0.28±0.00 0.277±0.002
P
(days)
8.428200±0.000056 8.428198±0.000056
K
(m/s)
1813.0±4.0 1813±4
a
(au)
0.080±0.000 0.074
Tp
(days)
--- 2451990.677±0.005
Teq
(K)
--- 650
ω
(deg)
--- -27.328±0.002
Literature Time Series (2 File Types, 2 Files)
File Type Data Points Filter Reference
Photometric Light Curve     69 Hp (Hipparcos) Hipparcos and Tycho Catalogs
Radial Velocity Curve     46 Optical Spectra Udry et al. 2002
Known Objects
1 Confirmed Planets
11 2MASS Point Source Catalog
Data Files
4 KELT Time Series
1 Associated Literature Data
System
Star
Confirmed
Candidate
False Positive Planet
Controversial
False Positive
Aliases
Data Access
Transit Prediction Service
Time Series
Kepler | K2
External Link
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