Alpha Centauri (α Centauri, α Cen, or Alpha Cen) is a triple in the southern of . It consists of three stars: Rigil Kentaurus (α Centauri A), Toliman (α Centauri B), and (α. .
To the naked eye, α Centauri AB appears to be a single star, the . Their apparent angular separation varies over about 80 years between 2 and 22. .
Alpha Centauri is a triple star system, with its two main stars, A and B, together comprising a component. The AB designation, or older A×B, denotes the mass centre of a main binary system relative to c. .
The Alpha Centauri system as a whole has two confirmed planets, both of them around Proxima Centauri. While other planets have been claimed to exist around all of the stars, none of the discoveries have been confirmed..
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