Exoplanet
HD 40307 b
Orbiting HD 40307
Overview
HD 40307 b is an exoplanet orbiting the star HD 40307, discovered in 2009 using the Radial Velocity method.
Key Measurements
Orbital Period
4.3
days
0.1d10,000d
Distance
12.9
parsecs
Nearby10,000 pc
Radius (Earth radii)
Unknown
Mass (Earth masses)
Unknown
Equilibrium Temperature
Unknown
Orbital Period
4.31 days
Distance from Earth
12.9 pc (~42 ly)
Spectral Type
K2.5 V
Temperature
4956 K
Mass (Solar)
0.77 M☉
Radius (Solar)
Unknown
Luminosity
-0.64 log L☉
Planets in System
5
Stars in System
1
Coordinates (RA, Dec)
88.5172°, -60.0237°
Discovery Method
Radial Velocity
Discovery Year
2009
Data Sources
Source ID: HD 40307 b