Parametric Dwarf Spheroidal Tidal Interaction

Details Parametric Dwarf Spheroidal Tidal Interaction Parametric Dwarf Spheroidal Tidal Interaction

2003-02-21

arxiv.org/abs/astro-ph/0302463v1

Astrophys.J.592:147-160,2003

Astronomy and Astrophysics

Astrophysics

24 pages, 15 figures

Scientific paper

10.1086/375585

The time dependent tidal interaction of the Local Group Dwarf Spheroidal (dS) Galaxies with the Milky Way (MW) can fundamentally affect their dynamical properties. The model developed here extends earlier numerical descriptions of dS-MW tidal interactions. We explore the dynamical evolution of dS systems in circular or elliptical MW orbits in the framework of a parametric oscillator. An analytic model is developed and compared with more general numerical solutions and N-body simulation experiments.

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