An Etymological Dictionary of Astronomy and Astrophysics

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فرهنگ ریشه‌شناختی اخترشناسی-اخترفیزیک

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Cygnus OB association
  آهزش ِ OB ماکیان  
âhazeš-e OB Mâkiyân
Fr.: association OB Cygne  

One of nine → OB associations located in the Cygnus → constellation. The central association, → Cygnus OB2, is the most famous and the youngest of the Cygnus region. (L. Mahy et al. 2013, astro-ph/1301.0500 and references therein).

See also: → Cygnus; → OB star; → association.