A Note on the Stability of Hierarchical Triple Stars with Initially Circular Orbits

Details A Note on the Stability of Hierarchical Triple Stars with Initially Circular Orbits A Note on the Stability of Hierarchical Triple Stars with Initially Circular Orbits

Mar 1994

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994mnras.267..161k&link_type=abstract

Monthly Notices of the Royal Astronomical Society, Vol. 267, NO. 1/MAR1, P. 161, 1994

Astronomy and Astrophysics

Astronomy

36

Instabilities - Celestial Mechanics, Stellar Dynamics - Binaries: Close

Scientific paper

We compute the dynamical evolution of hierarchical triple stars in which both orbits are initially circular, and determine the lower limit to the ratio of periods (outer/inner) for which there is dynamical stability. This ranges from 6.3 to 2.4, as the distant body's mass (in units of the inner binary) ranges from 100 to 0.01. We discuss a variety of types of behaviour that we find when the period ratio varies near its critical value.

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