GJ 229 Overview

GJ 229 0.46 R⦿ 3710.00 K
GJ 229 A c
GJ 229 b
WDS J06106-2152 B
Architecture
GJ 229
GJ 229
GJ 229 A c
GJ 229 b
WDS J06106-2152 B
Discovery Data
Host Planet Method Year Reference Detection
GJ 229 GJ 229 A c Radial Velocity 2020 Feng et al. 2020 Radial Velocity
GJ 229 GJ 229 b Radial Velocity 2014 Tuomi et al. 2014 Radial Velocity
GJ 229
  • This reference contains discussion regarding the stellar multiplicity of this system. (Nakajima et al. 1995)
  • This reference contains discussion regarding the stellar multiplicity of this system. (Tuomi et al. 2014)
  • This reference contains discussion regarding the stellar multiplicity of this system. (Nakajima et al. 2015)
GJ 229
  • Some stellar parameter values may be biased due to companion blend (WDS Catalog)
WDS J06106-2152 B
  • Some stellar parameter values may be biased due to companion blend (WDS Catalog)
RA
06h10m34.46s
Dec
-21d52m03.80s
Distance
5.756240±0.001525 pc
Parallax
173.6960000±0.0456973 mas
Ecliptic Latitude
-45.2719 deg
Ecliptic Longitude
93.48802 deg
Galactic Latitude
-18.43918 deg
Galactic Longitude
228.6123 deg
Total Proper Motion
731.8329536±0.1510000 mas/yr
Proper Motion (RA)
-135.985000±0.103742 mas/yr
Proper Motion (Dec)
-719.088000±0.152232 mas/yr
Photometry
mV
8.15±0.10
mTESS
6.408±0.106
mJ
5.104±0.037
mH
4.393±0.254
mKs
4.166±0.232
Source Feng et al. 2020 Stassun et al. 2018 Gaia DR2 Turnbull 2015 Tuomi et al. 2014 Takeda et al. 2007 Wright et al. 2004 Nordstrom et al. 2004 Nidever et al. 2002 Hawley et al. 1996 Michigan Catalog, Vol. 4 Cannon & Pickering 1918
S Index
--- --- --- --- --- --- 1.675±0.218 --- --- --- --- ---
Teff
(K)
--- ---
3912.5398+147.0403-132.5398
3710 3564 --- --- --- --- --- --- ---
L
(log10(L⦿))
--- --- ---
-1.222 +0.398-0.301
-1.6 --- --- --- --- --- --- ---
M
(M⦿)
0.58 0.544193±0.041196 --- 0.48 0.58 --- --- --- --- --- --- ---
R
(R⦿)
--- 0.5488210±0.0429828 --- 0.46 ---
0.46+0.01-0.02
--- --- --- --- --- ---
log g
(log10(cm/s2))
--- 4.6949600±0.0352265 --- 4.81 --- 4.81 --- --- --- --- --- ---
Sp. T
--- --- --- M1.5V M1/M2 V --- --- --- --- M0.5 M1/2 V K5
γ
(km/s)
--- --- 4.0223524299131288±0.1621723896123181 --- --- --- --- 3.8±0.2 4.7 --- --- ---
v sin i
(km/s)
--- --- --- --- --- --- --- 1 --- --- --- ---
Age
(Gyr)
--- --- --- --- --- <0.40 --- --- --- --- --- ---
ρ
(g/cm3)
--- 3.292010±0.530972 --- --- --- --- --- --- --- --- --- ---
Status
Confirmed
Tools
Source Feng et al. 2020
ω
(deg)
121±33
Mp sin i
(M)
7.268±1.256
Mp sin i
(MJup)
0.02287±0.00395
e
0.19±0.08
P
(days)
121.995±0.161
K
(m/s)
1.93±0.30
a
(au)
0.339±0.011
Status
Confirmed
Tools
Source Feng et al. 2020 Tuomi et al. 2014
ω
(deg)
199±71 150
Mp sin i
(M)
8.4780±2.0330
32+17-16
Mp sin i
(MJup)
0.026675±0.006397
0.10+0.05-0.05
e
0.10±0.06
0.10+0.22-0.10
P
(days)
526.115±4.300
471+22-12
K
(m/s)
1.37±0.31
3.83+1.74-1.68
a
(au)
0.898±0.031
0.970+0.120-0.090
RA
---
Dec
---
Distance
---
Parallax
---
Ecliptic Latitude
---
Ecliptic Longitude
---
Galactic Latitude
---
Galactic Longitude
---
Total Proper Motion
---
Proper Motion (RA)
---
Proper Motion (Dec)
---
Photometry
mV
---
mTESS
---
mJ
---
mH
---
mKs
---
Tools
Source
Known Objects
2 Confirmed Planets
2 2MASS Point Source Catalog
Data Files
1 SuperWASP Time Series
2 Associated Literature Data
Known Objects
2 Confirmed Planets
2 2MASS Point Source Catalog
Data Files
1 SuperWASP Time Series
2 Associated Literature Data
System
Star
Confirmed
Candidate
Refuted
Controversial
Aliases
Data Access
Transit Prediction Service
Time Series
Kepler | K2
External Link
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