HD 205739 b
Orbiting HD 205739
HD 205739 b is an exoplanet orbiting the star HD 205739, discovered in 2008 using the Radial Velocity method.
Minimum Mass (M sin i)
435.41
Earth masses
Orbital Period
279.8
days
Distance
92.5
parsecs
Radius (Earth radii)
Unknown
Minimum Mass, M sin(i) (Earth masses)
435.41
Radial-velocity minimum
Equilibrium Temperature
Unknown
Parameter source: Lopez-Morales et al. 2008
Orbital Period
279.800+0.100−0.100days
Semi-Major Axis
0.8960+0.0190−0.0150au
M sin(i) (Earth masses)
435.41+22.25−28.60
M sin(i) (Jupiter masses)
1.3700+0.0700−0.0900
Eccentricity
0.2700+0.0700−0.0700
Epoch of Periastron
2453390.70+0.70−0.70days
Argument of Periastron
301.0+8.0−8.0deg
Radial Velocity Semi-Amplitude
42.00+3.00−3.00m/s
Distance from Earth
92.5 pc (~302 ly)
Spectral Type
Unknown
Temperature
6176 K
Mass (Solar)
1.22 M☉
Radius (Solar)
1.33 R☉
Luminosity
0.36 log L☉
Planets in System
1
Stars in System
1
Coordinates (RA, Dec)
324.5351°, -31.7378°
Discovery Method
Radial Velocity
Discovery Year
2008
Source ID: HD 205739 b
HD 205739 b orbits HD 205739 and was reported in 2008 and was detected with the Radial Velocity method.
Published measurements list a minimum mass of 435.41 Earth masses (M sin i) and an orbital period of 279.8 days.
Catalog data places the system at about 92.5 parsecs from Earth and 1 known planet in the system.
Host star
Explore the stellar record for this system to compare temperature, spectral type, and known planets.
Open HD 205739