Low Dimensional Dynamics in a Pulsating Star

Details Low Dimensional Dynamics in a Pulsating Star Low Dimensional Dynamics in a Pulsating Star

1995-10-31

arxiv.org/abs/astro-ph/9510159v1

Astronomy and Astrophysics

Astrophysics

6 pages, LaTex, Figures available upon request to padi@lhea1.gsfc.nasa.gov

Scientific paper

We report the discovery of a low dimensional dynamical system in a 5.5 hr Hubble Space Telescope High Speed Photometer observation of a rapidly oscillating star. The topological description of the phase space orbits is given, as well as a dynamical model which describes the results. This model should motivate theorists of stellar pulsations to search for a three-dimensional system with the same topological structure to describe the mechanisms for pulsation. The equations are compatible with recently proposed nonlinear mode interaction models.

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