Barnard c
Orbiting Barnard's star
Barnard c is an exoplanet orbiting the star Barnard's star, discovered in 2025 using the Radial Velocity method.
Orbital Period
4.1
days
Distance
1.8
parsecs
Equilibrium Temp
400
K
Radius (Earth radii)
Unknown
Mass (Earth masses)
Unknown
Equilibrium Temperature
400 K
Orbital Period
4.12 days
Distance from Earth
1.8 pc (~6 ly)
Spectral Type
M3.5-4 V
Temperature
3195 K
Mass (Solar)
0.16 M☉
Radius (Solar)
0.18 R☉
Luminosity
-2.45 log L☉
Planets in System
4
Stars in System
1
Coordinates (RA, Dec)
269.4486°, 4.7380°
Discovery Method
Radial Velocity
Discovery Year
2025
Source ID: Barnard c
Barnard c orbits Barnard's star and was reported in 2025 and was detected with the Radial Velocity method.
Published measurements list an orbital period of 4.12 days and an equilibrium temperature near 400 K.
Catalog data places the system at about 1.8 parsecs from Earth, a host star classified as M3.5-4 V, and 4 known planets in the system.
Host star
Explore the stellar record for this system to compare temperature, spectral type, and known planets.
Open Barnard's star