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HD 218566 Overview

  • Star: HD 218566
    • Stellar Radius: 0.86 Solar Radius
    • Stellar Effective Temperature: 4820.00 K
    • Planet: HD 218566 b
      • Disposition Confirmed

HD 218566 Architecture & Discovery Information

Name 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 ---
mW2 ---
mW3 ---
mW4 ---
mGaia 8.274320±0.000305
mB 9.6100000±0.0895824
Abundances
(Hypatia Catalog)
[Fe/H] 0.32±0.14 dex
[C/H] 0.31±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] 0.43±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] 0.18±0.10 dex
Mission
K2: Observed in Campaign 12
Tools
Planetary Systems
ExoFOP Target Overview Page
IRSA Finding Chart
K2 Targets
Stellar Hosts
K2 Time Series
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
 --- --- --- --- --- --- --- --- --- --- ---
Print
Status
Confirmed Planet
Detected By
Radial Velocity
Tools
Planetary Systems
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)
---
Print
Literature Stellar Spectra (2 Files)
File Type Spectrum Type Wavelength Category Reference
Spectra     echelle grating Optical California Planet Search
Spectra     echelle grating Optical California Planet Search
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
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  • Candidate
  • False Positive Planet
  • Controversial
  • False Positive
  • Aliases
  • Data Access
  • Transit Prediction Service
  • Time Series
  • Kepler | K2
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