An Etymological Dictionary of Astronomy and Astrophysics

English-French-Persian

فرهنگ ریشه‌شناختی اخترشناسی-اخترفیزیک

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early spectral class star
  ستاره با رده‌ی ِ بینابی ِ آغازین  
setâré bâ rade-ye binâbi-ye âqâzin
Fr.: étoile de type spectral précoce  

A star near the beginning of the → spectral classification sequence. A star of → spectral type O, B, A, or F0 to F5. Same as → early-type star.

See also: → early; → spectral; → class; → star.