Long-term radial velocity variations of Omicron And

Details Long-term radial velocity variations of Omicron And Long-term radial velocity variations of Omicron And

Aug 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982ap%26ss..86..179p&link_type=abstract

Astrophysics and Space Science, vol. 86, no. 1, Aug. 1982, p. 179-184.

Astronomy and Astrophysics

Astrophysics

4

B Stars, Radial Velocity, Binary Stars, Hydrogen, Long Term Effects, Orbital Elements, Speckle Patterns

Scientific paper

The result of radial velocity measures of the star Omicron And from high dispersion plates relative to the years 1964, 1966, 1975 and 1976 are given. The averaged values of the 1964 and 1966 plates confirm the existence of the minimum in the trend of the radial velocities and fit well the curve obtained in the hypothesis of periodic long-term radial velocity variations with the period of 23.5 years (Fracassini et al., 1977). Preliminary orbital elements in the hypothesis of a long period spectroscopic binary system have been tentatively drawn.

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