南门二 Traditional form: 南門二 Pinyin (reading): Nánmén'èr Definitions: Alpha Centauri or Rigel Kentaurus Characters: 南 - south; southern; southward 门 - gate, door, entrance, opening 二 - two; twice Traditional characters: 南 - south; southern; southward 門 - gate, door, entrance, opening 二 - two; twice