Isolation of integrals for centroid orbits in stellar system models

Details Isolation of integrals for centroid orbits in stellar system models Isolation of integrals for centroid orbits in stellar system models

Aug 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990ap%26ss.170..343j&link_type=abstract

(IAU, European Regional Astronomy Meeting, 11th, La Laguna, Spain, July 3-8, 1989) Astrophysics and Space Science (ISSN 0004-640

Statistics

Computation

2

Computational Astrophysics, Stellar Models, Stellar Orbits, Stellar Systems, Centroids, Equations Of Motion, Galactic Structure

Scientific paper

Two models are derived from the study of integrability conditions of centroid trajectories for a nonstationary stellar system that satisfies the ellipsoidal hypotheses with point-axial symmetry. For axially symmetric systems, studies of the integrals of the motion provide an essential contribution for understanding their dynamics. Thus, the projection in the galactic plane of the trajectories derived in this manner are ellipses centered at the galactic center whose parameters vary with time.

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