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HD 216770 Overview

HD 216770 0.93 R⦿ 5423.00 K
HD 216770 b
Architecture
HD 216770
HD 216770
HD 216770 b
Other Data
Bibliography 20
Exoplanet Archive Notes 1
Nearby Data 4
Discovery Data
Host Planet Method Year Reference Disposition
HD 216770 HD 216770 b Radial Velocity 2003 Mayor et al. 2004 Confirmed Planet
HD 216770
RA
22h55m53.97s
Dec
-26d39m34.30s
Distance
36.6625+0.0984-0.0979
pc
Parallax
27.2472000±0.0724895 mas
Ecliptic Latitude
-18.27193 deg
Ecliptic Longitude
334.76538 deg
Galactic Latitude
-64.29217 deg
Galactic Longitude
27.30726 deg
Total Proper Motion
287.8677517±0.1936101 mas/yr
Proper Motion (RA)
226.442000±0.233934 mas/yr
Proper Motion (Dec)
-177.7410000±0.0974817 mas/yr
Photometry
mV
8.11±0.03
mTESS
7.4176±0.0060
mJ
6.752±0.018
mH
6.429±0.026
mKs
6.311±0.021
mW1
6.236±0.092
mW2
6.270±0.029
mW3
6.321±0.016
mW4
6.267±0.062
mGaia
7.916380±0.000508
mB
8.938±0.000
Abundances
(Hypatia Catalog)
[Fe/H] 0.28±0.10 dex
[C/H] 0.33±0.12 dex
[O/H] 0.24±0.25 dex
[Na/H] 0.41±0.12 dex
[Mg/H] 0.40±0.16 dex
[Al/H] 0.38±0.06 dex
[Si/H] 0.35±0.10 dex
[Ca/H] 0.30±0.13 dex
[Y/H] 0.42±0.10 dex
[BaII/H] 0.32±0.12 dex
Tools
ExoFOP Target Overview Page
IRSA Finding Chart
Stellar Hosts
Source TICv8 Gaia DR2 Stassun et al. 2017
 Suárez-Andrés et al. 2016 Ghezzi et al. 2010 Sousa et al. 2008 Gray et al. 2006 Wright et al. 2004 Nordstrom et al. 2004 Santos et al. 2004 Mayor et al. 2004
 Henry et al. 1996 Michigan Catalog, Vol. 3 Cannon & Pickering 1918
S Index
--- --- --- --- --- --- --- 0.193±0.025 --- --- --- 0.216 --- ---
CAII LOG RHK
--- --- --- --- --- --- --- -4.92 --- --- --- -4.84 --- ---
Teff
(K)
5394.870+109.982-176.470
5385.3335+58.6665-76.3335
 5399±18 5351 5463±60 5424±51 --- --- --- 5423±41 --- --- --- ---
Metallicity
(dex)
0.2451000±0.0174624 [M/H] --- 0.27 [Fe/H] 0.29±0.10 [N/H] 0.36±0.04 [Fe/H] 0.24±0.04 [Fe/H] --- --- --- 0.26±0.04 [Fe/H] 0.23 [Fe/H] --- --- ---
M✶
(M⦿)
0.94000000+0.15359500-0.08774690
 --- 0.74±0.07 --- 1.00±0.10 0.891 --- --- --- 0.91 0.90 --- --- ---
log g
(log10(cm/s2))
4.4451200+0.0843609-0.0949214
 --- 4.37±0.04 4.31 4.38±0.19 4.38±0.07 --- --- --- 4.40±0.13 --- --- --- ---
L✶
(log10(L⦿))
-0.1513079+0.0104197-0.0110524
-0.15009024+0.00147368-0.00147868
 --- --- -0.225±0.065
-0.134+0.020-0.021
 --- --- --- --- -0.10 --- --- ---
R✶
(R⦿)
0.96169400+0.07060300-0.05072860
0.96645653+0.02799150-0.02071750
 0.93±0.02 --- 0.86±0.07 --- --- --- --- --- --- --- --- ---
γ
(km/s)
--- 31.290848580380061±0.173341979723833 --- --- --- --- --- --- 30.7±0.1 --- --- --- --- ---
v sin i
(km/s)
--- --- --- --- --- --- --- --- 3 --- 1.4 --- --- ---
Age
(Gyr)
--- --- --- ---
<1.0+0.0-1.0
 --- --- --- --- --- 3.1 --- --- ---
Sp. T
--- --- --- --- --- --- G9 V CN+1 --- --- --- --- --- K0 V G5
ρ✶
(g/cm3)
1.4899890+0.4085846-0.3573994
 --- --- --- --- --- --- --- --- --- --- --- --- ---
Print
HD 216770 b Planetary Parameters (2 Solutions)
Status
Confirmed Planet
Detected By
Radial Velocity
Tools
Source Stassun et al. 2017
 Mayor et al. 2004
Mp sin i
(M⨁)
181±16 207
Mp sin i
(MJup)
0.57±0.05 0.65
e
0.37±0.06 0.37±0.06
P
(days)
118.45000±0.55000 118.45±0.55
K
(m/s)
30.9±1.9 30.9±1.9
a
(au)
0.46±0.01 0.46
Tp
(days)
--- 2452672±3.5
ω
(deg)
--- 281±10
Print
Literature Time Series (2 File Types, 2 Files)
File Type Data Points Filter Reference
Photometric Light Curve     100 Hp (Hipparcos) Hipparcos and Tycho Catalogs
Radial Velocity Curve     16 Optical Spectra Mayor et al. 2004
Known Objects
1 Confirmed Planets
1 2MASS Point Source Catalog
Data Files
1 SuperWASP 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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