Toliman
Orange dwarf (K-type main-sequence) star · Alpha Centauri B
Closest K-type (orange dwarf) star to Earth
The slightly smaller, cooler companion to Rigil Kentaurus, Toliman is an orange K-type star that with its brighter twin forms the Alpha Centauri pair, the nearest stellar system to the Sun. The two orbit a common center every 79 years, with the red dwarf Proxima Centauri bound loosely far beyond.
Illustration generated from temperature, not a photograph
0.9 ☉
mass (the Sun = 1)
0.5 ×
as bright as the Sun
5,207 K
surface · yellow dwarf, like our Sun
1 R☉
radius (the Sun = 1)
4 ly
from Earth
1.3
apparent magnitude
It pours out about 0.5 times the Sun’s light. Its light has been travelling 4 years to reach us, so you see Toliman as it was 4 years ago.
Source · View on Wikidata
It lives in
Milky Way
Barred spiral galaxy.
Bound into the system
Proxima Cen
One of the suns of the Proxima Cen system, which hosts 2 known planets.
Other notable stars in Milky Way
Eta CarinaeLuminous blue variableAlnilamBlue supergiantVY Canis MajorisRed hypergiantAlnitakHot blue supergiantDenebBlue-white supergiantMintakaHot blue giant multiple star
Stars of similar brightness
Rigil KentaurusSun-like (yellow main-sequence) star1.5 ×Tabby's StarF-type main-sequence star4.7 ×ProcyonYellow-white subgiant6.9 ×AltairWhite main-sequence star11 ×DenebolaWhite main-sequence star15 ×FomalhautWhite main-sequence star17 ×
Worlds in the same direction on the sky→