Alpha Centauri b

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

==Stars== * [[Alpha Centauri B]] (Toliman), the second largest star in the α Cen trinary system

==Planets== * [[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]], a disproven exoplanet orbiting the second largest star in the α Cen trinary star system, Toliman (α Cen B) * [[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]] (binary star) * [[Alpha Centauri (disambiguation)]] * [[B Centauri]] (disambiguation) * [[b Centauri b]]

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