An Etymological Dictionary of Astronomy and Astrophysics
English-French-Persian

فرهنگ ریشه شناختی اخترشناسی-اخترفیزیک

M. Heydari-Malayeri    -    Paris Observatory

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Number of Results: 1 Search : astrometric binary
astrometric binary
  درین ِ اخترسنجیک   
dorin-e axtarsanjik

Fr.: binaire astrométrique   

A binary star in which the presence of an unresolved companion is revealed by small oscillations in the movement of the visible component caused by the gravitational influence of the unseen component.

→ astrometry; → binary.