Astronomy and Astrophysics – Astronomy
Scientific paper
Jun 1975
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1975azh....52..546b&link_type=abstract
Astronomicheskii Zhurnal, vol. 52, May-June 1975, p. 546-552. In Russian.
Astronomy and Astrophysics
Astronomy
2
Apsides, Binary Stars, Orbital Elements, Stellar Motions, Angular Distribution, Astronomical Models, Galactic Structure, Interstellar Matter
Scientific paper
Orientations of the lines of apsides are studied for orbits of spectroscopic binaries. A predominant concentration of periastrons beyond the visual plane is established for stars with periods in excess of 20 days and negative radial velocities, and a galactic orientation is detected for these stars' lines of apsides. A possible interpretation of B and E effects is presented, and a theorem is proven which proposes that the lines of apsides are situated in a plane perpendicular to the disturbing-force vector. It is shown that due to the interaction of the stars with the interstellar medium, the projection of the lines of apsides of binary stars' orbits on the plane of the galactic equator is oriented parallel to the major axis of their galactic orbits. It is proposed that short- and long-period binary stars differ in the direction of their components' mutual rotation.
Brazhnikova E. F.
Dagaev M. M.
Radzievskii V. V.
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