An Etymological Dictionary of Astronomy and Astrophysics

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فرهنگ ریشه‌شناختی اخترشناسی-اخترفیزیک

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SB1 binary
  درین ِ SB1  
dorin-e SB1
Fr.: binaire SB1  

Same as → single-lined binary.

See also: SB, for → spectroscopic binary; 1, for → single-lined; → binary.