HD 218566 Overview

HD 218566 0.86 R⦿ 4820.00 K
HD 218566 b
Architecture
HD 218566
HD 218566
HD 218566 b
Discovery Data
Host Planet Orbital Separation Planet Size Method Year Reference Disposition
HD 218566 HD 218566 b 225.7 d > 63.57 M Radial Velocity 2010 Meschiari et al. 2011 Confirmed Planet
RA
23h09m11.38s
Dec
-02d15m40.19s
Distance
28.8274+0.0429-0.0427
pc
Parallax
34.6603000±0.0511186 mas
Ecliptic Latitude
2.93484 deg
Ecliptic Longitude
347.42992 deg
Galactic Latitude
-55.10884 deg
Galactic Longitude
74.01673 deg
Total Proper Motion
638.9585993±0.0808959 mas/yr
Proper Motion (RA)
631.5200000±0.0811855 mas/yr
Proper Motion (Dec)
-97.2141000±0.0675543 mas/yr
Photometry
mV
8.600±0.005
mTESS
7.6635±0.0060
mJ
6.824±0.020
mH
6.344±0.033
mKs
6.223±0.020
mKep
8.617
mW1
6.215±0.090
mW2
6.167±0.027
mW3
6.238±0.015
mW4
6.235±0.058
mGaia
8.274320±0.000305
mB
9.6100000±0.0895824
Abundances
(Hypatia Catalog)
[Fe/H] 0.32±0.14 dex
[C/H] 0.30±0.05 dex
[O/H] 0.11±0.04 dex
[Na/H] 0.42±0.11 dex
[Mg/H] 0.24±0.31 dex
[Al/H] 0.42±0.08 dex
[Si/H] 0.36±0.09 dex
[Ca/H] 0.32±0.14 dex
[Y/H] 0.14±0.03 dex
[BaII/H] 0.16±0.10 dex
Source Rosenthal et al. 2021 TICv8 Gaia DR2 Stassun et al. 2017 Turnbull 2015 Santos et al. 2013 Meschiari et al. 2011 Takeda et al. 2007 Valenti & Fischer 2005 Wright et al. 2004 Nidever et al. 2002 Michigan Catalog, Vol. 5 Cannon & Pickering 1918
S Index
--- --- --- --- --- --- --- --- --- 0.245±0.032 --- --- ---
Teff
(K)
4942.8536012099985±63.1253824340500
4877.3300+185.4730-92.2179
4844.500+55.500-60.795
4730±100 4927 4808±85 4820.0 --- --- --- --- --- ---
L
(log10(L⦿))
---
-0.4625170+0.0156350-0.0161517
-0.45830099+0.00088282-0.00088461
---
-0.469 +0.122-0.170
---
-0.452+0.038-0.041
--- --- --- --- --- ---
Metallicity
(dex)
0.29836605123349996±0.05832785743919999 [Fe/H] 0.3037030±0.0236549 [M/H] --- 0.28 [Fe/H] 0.38 [Fe/H] 0.17±0.04 [Fe/H] 0.38 [Fe/H] --- --- --- --- --- ---
Age
(Gyr)
--- --- --- --- 8.5 --- 8.5 <2.24 --- --- --- --- ---
M
(M⦿)
0.8553179684745±0.0308406018036
0.8000000+0.1287180-0.0660363
--- 0.760±0.320 0.88 0.86±0.13 0.85±0.03
0.883+0.052-0.042
--- --- --- --- ---
R
(R⦿)
0.830794596355000±0.015164076404925
0.8222990+0.0603734-0.0626166
0.83753747+0.02142340-0.01886540
0.85±0.04 0.79 --- 0.86±0.08
0.79+0.05-0.03
--- --- --- --- ---
log g
(log10(cm/s2))
4.52948116498000±0.02391704521105
4.511100+0.073236-0.120146
--- 4.46±0.18 4.6 4.09±0.28 4.81 4.60±0.02 --- --- --- --- ---
Sp. T
--- --- --- --- K3V --- --- --- --- --- --- K3 V K2
γ
(km/s)
--- --- -37.658521523292123±0.194789042146720 --- --- --- --- --- -37.6 --- -37.8 --- ---
v sin i
(km/s)
--- --- --- --- --- --- --- --- 0.0±0.5 --- --- --- ---
ρ
(g/cm3)
---
2.0284581+0.7764280-0.3791108
--- --- --- --- --- --- --- --- --- --- ---
Status
Confirmed Planet
Detected By
Radial Velocity
Source Stassun et al. 2017 Rosenthal et al. 2021 Meschiari et al. 2011
Tp
(days)
--- --- 2450360.0±154.0
ω
(deg)
---
44+23-21
36.0±24.0
Mp sin i
(M)
64±19 62.9±5.7 66.7415±6.35633
Mp sin i
(MJup)
0.20±0.06 0.198±0.018 0.21±0.02
e
0.30±0.10
0.270+0.100-0.095
0.3±0.1
P
(days)
225.70000±0.40000
225.17+0.42-0.52
225.7±0.4
K
(m/s)
8.3±0.7 7.68±0.70 8.3±0.7
a
(au)
0.69±0.01
0.6875+0.0081-0.0084
0.6873±0.0008
TC
(days)
--- 2454667.4±7.3
(BJD)
---
Literature Time Series (2 File Types, 2 Files)
File Type Data Points Filter Reference
Photometric Light Curve     81 Hp (Hipparcos) Hipparcos and Tycho Catalogs
Radial Velocity Curve     56 Optical Spectra Meschiari et al. 2011
Known Objects
1 Confirmed Planets
1 K2 Targets
4 2MASS Point Source Catalog
Data Files
1 K2 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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