Browsing by Subject "Masses"

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    • Mass ratio, parallax and proper motion of x [i.e. sigma]-Boötis 
      Hawkins, Charles Travis (Texas A&M University. Libraries, 1976)
      An astrometric study of E-Bootis (a=14(superscript h)46(superscript m).8, δ=19°31',1900) also known as IDS 144468N1931 has been made using data from the IDS catalogue at the United States Naval Observatory for the orbit ...