Home
/Proxima Centauri
Back to Stellar Cartography
Spectral TypeM5.5Ve
Temperature3,042 K
M5.5Ve TypeConstellation: Centaurus

Proxima Centauri

Alpha Centauri C

Proxima Centauri is the closest known star to the Sun and hosts at least one planet.

Distance
4.25 ly
Light Years from Earth
Age
4.85 billion years
Estimated
Mass
0.12 M☉
Relative to Sun
Radius
0.15 R☉
Relative to Sun
Surface Temp
3,042 K
Effective Temp
Luminosity
0 L☉
Total Energy Output

Astrophysical Data

Apparent Magnitude11.13
Absolute Magnitude15.53
Spectral ClassificationM5.5Ve

Size Comparison

Sun (1 R☉)
Proxima Centauri (0.15 R☉)