Computer Science – Numerical Analysis
Scientific paper
Jan 1994
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994ap%26ss.211..263b&link_type=abstract
Astrophysics and Space Science, vol. 211, no. 2, p. 263-275
Computer Science
Numerical Analysis
Angular Momentum, Interacting Galaxies, Models, Orbit Decay, Spheres, Three Body Problem, Distribution Functions, Equations Of Motion, Numerical Analysis, Time Functions
Scientific paper
The sphere of activity which is considered in the test stars of both central galaxies and satellite galaxies is used in a three-body model to study the orbital decay of interacting galaxies. It can take account of both 'semi-restricted N-body' program (Lin and Tremaine, 1983) and 'multiple three-body algorithm' (Borne, 1984) at the same time. The merger time is calculated accurately. The orbital decay of satellite galaxy is characterized. Energy and angular momentum which are carried away by escaping star are computed, too.
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