Astronomy and Astrophysics – Astronomy
Scientific paper
Apr 1986
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986azh....63..220b&link_type=abstract
(Astronomicheskii Zhurnal, vol. 63, Mar.-Apr. 1986, p. 220-232) Soviet Astronomy (ISSN 0038-5301), vol. 30, Mar.-Apr. 1986, p. 1
Astronomy and Astrophysics
Astronomy
Astronomical Models, Binary Stars, Black Holes (Astronomy), Dynamic Stability, Galactic Nuclei, Milky Way Galaxy, Angular Momentum, Density Distribution, Rotating Matter, Star Distribution, Steady State
Scientific paper
The paper deals with the stability of a hypothetical binary system of black holes in the galactic nucleus (Kardashev's model). On the assumption that the rotation of the pair is in steady state synchronized with that of the surrounding stellar system, the two cases have been studied: 1) the pair is within a homogeneous triaxial ellipsoid; 2) each of the mass points is surrounded by its own sphere which are not overlapping. It is shown that in the first case the binary is dynamically stable if both components are on the principal axis of the ellipsoid and their centers of gravity coincide. In the second case which describes a certain general tendency in the variation of the stability nature, when considering heterogeneous models. The binary is constantly dynamically stable. It is actually always stable in the secular aspect as well.
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