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Title:
A study of Lagrangian radii oscillations and core-wandering using N-body simulations
Authors:
Sweatman, W. L.
Affiliation:
AA(Edinburgh Univ., United Kingdom)
Publication:
Royal Astronomical Society, Monthly Notices (ISSN 0035-8711), vol. 261, no. 3, p. 497-512. (MNRAS Homepage)
Publication Date:
04/1993
Category:
Astrophysics
Origin:
STI
NASA/STI Keywords:
CELESTIAL MECHANICS, GLOBULAR CLUSTERS, LAGRANGIAN FUNCTION, MANY BODY PROBLEM, ASTRONOMICAL MODELS, RADII
Bibliographic Code:
1993MNRAS.261..497S

Abstract

We study the motions of Lagrangian radii in an N-body Plummer model. Comparisons between models with self-consistent and fixed potentials, and with different numbers of stars, help to clarify these motions. The predominant movements appear to be a manifestation of 1/sq rt N noise. During the investigations, the centers of the cores of the systems must be found. The movements of these centers are presented in the latter part of the paper.

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