Astronomy and Astrophysics – Astrophysics
Scientific paper
2006-10-09
Astronomy and Astrophysics
Astrophysics
96 pages, 37 figures, to appear in CNRS Workshop proceedings (2006). It will be published in Lecture Notes in Physics
Scientific paper
The present lecture notes are an introduction to selected topics of {\it Galactic Dynamics}. The focus is on topics that we consider more relevant to the main theme of this workshop, {\it Celestial Mechanics}. This is not intended to be a review article. In fact, any of the topics below could be the subject of a separate review. Only the main ideas and notions are introduced, as well as some important currently open problems in each topic. Some relevant results from our own research are also presented. We discuss topics related mostly to the so-called {\it ellipsoidal components} of galaxies. These are \textbf{a)} the dark halos of both elliptical and disk galaxies, \textbf{b)} the luminous matter in elliptical galaxies, and \textbf{c)} the bulges of disk galaxies. We shall only occasionally refer to the dynamics of disks, bars or spiral structure.
Efthymiopoulos Christos
Kalapotharakos Constantinos
Voglis Nikos
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