Abstract
Photoelectric radial-velocity measurements show that 6 Boötis undergoes small periodic variations of velocity. An orbit with a 2.6-year period and a semi-amplitude of little more than 1 km s-1 is derived. The amplitude is smaller by a factor of two than that of any plausible orbit previously derived from radial velocities.
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Griffin, R.F. Spectroscopic binaries near the North Galactic pole. J. Astrophys. Astr. 6, 77–83 (1985). https://doi.org/10.1007/BF02715079
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DOI: https://doi.org/10.1007/BF02715079