BD+20 2457 b
Orbiting BD+20 2457
BD+20 2457 b is an exoplanet orbiting the star BD+20 2457, discovered in 2009 using the Radial Velocity method.
Orbital Period
379.6
days
Distance
1539.7
parsecs
Radius (Earth radii)
Unknown
Mass (Earth masses)
Unknown
Equilibrium Temperature
Unknown
Orbital Period
379.63 days
Distance from Earth
1539.7 pc (~5022 ly)
Spectral Type
K2 II
Temperature
4137 K
Mass (Solar)
2.80 M☉
Radius (Solar)
49.00 R☉
Luminosity
3.17 log L☉
Planets in System
2
Stars in System
1
Coordinates (RA, Dec)
154.1868°, 19.8913°
Discovery Method
Radial Velocity
Discovery Year
2009
Source ID: BD+20 2457 b
BD+20 2457 b orbits BD+20 2457 and was reported in 2009 and was detected with the Radial Velocity method.
Published measurements list an orbital period of 379.63 days.
Catalog data places the system at about 1,539.7 parsecs from Earth, a host star classified as K2 II, and 2 known planets in the system.
Host star
Explore the stellar record for this system to compare temperature, spectral type, and known planets.
Open BD+20 2457More planets in this system