# Alpha Centauri b

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**Alpha Centauri b** or **Alpha Centauri B** may refer to:

## Stars

- [Alpha Centauri B](/source/Alpha_Centauri_B) (Toliman), the second largest star in the α Cen trinary system

## Planets

- [Alpha Centauri Ab](/source/Alpha_Centauri_Ab), an unconfirmed candidate exoplanet orbiting the largest star in the α Cen trinary star system, Rigel Kentarus (α Cen A)

- [Alpha Centauri Bb](/source/Alpha_Centauri_Bb), a disproven exoplanet orbiting the second largest star in the α Cen trinary star system, Toliman (α Cen B)

- [Alpha Centauri Cb](/source/Alpha_Centauri_Cb), an exoplanet orbiting the smallest star in the α Cen trinary star system, Proxima (α Cen C)

## See also

- [Alpha Centauri AB](/source/Alpha_Centauri_AB) (binary star)

- [Alpha Centauri (disambiguation)](/source/Alpha_Centauri_(disambiguation))

- [B Centauri](/source/B_Centauri) (disambiguation)

- [b Centauri b](/source/B_Centauri_b)

Topics referred to by the same term

This [disambiguation](https://en.wikipedia.org/wiki/Help:Disambiguation) page lists  articles associated with the title **Alpha Centauri b**.
If an [internal link](https://en.wikipedia.org/w/index.php?title=Special:WhatLinksHere/Alpha_Centauri_b&namespace=0) incorrectly led you here, you may wish to change the link to point directly to the intended article.

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Adapted from the Wikipedia article [Alpha Centauri b](https://en.wikipedia.org/wiki/Alpha_Centauri_b) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Alpha_Centauri_b?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.