GJ 229 Overview

GJ 229 0.46 R⦿ 3912.54 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 Disposition
GJ 229 GJ 229 A c Radial Velocity 2020 Feng et al. 2020 Confirmed Planet
GJ 229 GJ 229 b Radial Velocity 2014 Tuomi et al. 2014 Confirmed Planet
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)
GJ 229 A c GJ 229 b
RA
06h10m34.46s
Dec
-21d52m03.80s
Distance
5.756240±0.001525 pc
Parallax
173.6960000±0.0456973 mas
Ecliptic Latitude
-45.27501 deg
Ecliptic Longitude
93.48343 deg
Galactic Latitude
-18.44091 deg
Galactic Longitude
228.61506 deg
Total Proper Motion
731.8329536±0.1508179 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
mW1
4.042±0.282
mW2
3.640±0.090
mW3
3.903±0.017
mW4
3.839±0.025
mIc
---
mGaia
7.307240±0.000617
mB
9.591±0.019
Abundances
(Hypatia Catalog)
[Fe/H] 0.35±0.04 dex
Source Feng et al. 2022 Feng et al. 2020 TICv8 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 --- --- --- --- --- --- ---
γ
(km/s)
--- --- --- 4.0223524299131288±0.1621723896123181 --- --- --- --- 3.8±0.2 4.7 --- --- ---
L
(log10(L⦿))
--- --- --- ---
-1.222 +0.398-0.301
-1.6 --- --- --- --- --- --- ---
M
(M⦿)
0.509±0.020 0.58 0.544193±0.041196 --- 0.48 0.58 --- --- --- --- --- --- ---
Sp. T
--- --- --- --- M1.5V M1/M2 V --- --- --- --- M0.5 M1/2 V K5
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 --- --- --- --- --- ---
v sin i
(km/s)
--- --- --- --- --- --- --- --- 1 --- --- --- ---
Age
(Gyr)
--- --- --- --- --- --- <0.40 --- --- --- --- --- ---
ρ
(g/cm3)
--- --- 4.6411623±0.7485783 --- --- --- --- --- --- --- --- --- ---
Status
Confirmed Planet
Detected By
Radial Velocity
Tools
Source Feng et al. 2022 Feng et al. 2020
ω
(deg)
128.617+9.165-9.407
121±33
Mp sin i
(M)
8.6±0.6 7.268±1.256
Mp sin i
(MJup)
0.027±0.002 0.02287±0.00395
e
0.366+0.065-0.063
0.19±0.08
P
(days)
121.93268+0.06708-0.08158
121.995±0.161
K
(m/s)
1.872+0.125-0.133
1.93±0.30
a
(au)
0.384±0.005 0.339±0.011
Tp
(days)
2450370.180+2.817-2.530
---
Status
Confirmed Planet
Detected By
Radial Velocity
Tools
Source Feng et al. 2022 Feng et al. 2020 Tuomi et al. 2014
ω
(deg)
246.871+9.041-7.956
199±71 150
Mp sin i
(M)
15+1-1
8.4780±2.0330
32+17-16
Mp sin i
(MJup)
0.047+0.003-0.004
0.026675±0.006397
0.10+0.05-0.05
e
0.4040+0.1050-0.1240
0.10±0.06
0.10+0.22-0.10
P
(days)
579.47495+1.67942-1.41414
526.115±4.300
471+22-12
K
(m/s)
1.966+0.161-0.167
1.37±0.31
3.83+1.74-1.68
a
(au)
1.086±0.015 0.898±0.031
0.970+0.120-0.090
Tp
(days)
2449954.330+17.738-15.580
--- ---
RA
---
Dec
---
Distance
---
Parallax
---
Ecliptic Latitude
---
Ecliptic Longitude
---
Galactic Latitude
---
Galactic Longitude
---
Total Proper Motion
---
Proper Motion (RA)
---
Proper Motion (Dec)
---
Photometry
mV
8.131±0.015
mTESS
---
mJ
---
mH
---
mKs
---
mW1
---
mW2
---
mW3
---
mW4
---
mIc
6.120±0.021
mGaia
---
mB
9.620±0.021
Literature Stellar Spectra (3 Files)
File Type Spectrum Type Wavelength Category Reference
Spectra     echelle grating Optical California Planet Search
Spectra     echelle grating Optical California Planet Search
Spectra     echelle grating Optical California Planet Search
Literature Time Series (1 File Type, 1 File)
File Type Data Points Filter Reference
Photometric Light Curve     192 Hp (Hipparcos) Hipparcos and Tycho Catalogs
Known Objects
2 Confirmed Planets
3 2MASS Point Source Catalog
Data Files
1 SuperWASP Time Series
2 Associated Literature Data
Known Objects
2 Confirmed Planets
3 2MASS Point Source Catalog
Data Files
1 SuperWASP Time Series
2 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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