出典:Wikipedia
出典:『Wikipedia』 (2011/07/23 23:21 UTC 版)
Alpha Trianguli (α Tri, α Trianguli) is a binary star in the constellation Triangulum. It has the traditional names Mothallah or Ras al Muthallah (alternate spellings Mathallah, Metallah, Ras al Mothallah, Elmuthalleth), and Caput Trianguli, from the Arabic رأس المثلث ra’s al-muθallaθ "the head of the triangle" and its Latin translation.