An Etymological Dictionary of Astronomy and Astrophysics

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فرهنگ ریشه‌شناختی اخترشناسی-اخترفیزیک

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hierarchical triple system
  راژمان ِ بستایی ِ ناپایگانی  
râžmân-e bastâyi-ye nâpâygâni
Fr.: système multiple non hiérarchique  

A triple star system in which the (inner) binary is orbited by a third body in a much wider orbit. → hierarchical multiple system.

See also: → hierarchical; → stellar; → system.