Analysis of radiation pressure effects in pulsating stars through perturbative limit cycle solutions

Details Analysis of radiation pressure effects in pulsating stars through perturbative limit cycle solutions Analysis of radiation pressure effects in pulsating stars through perturbative limit cycle solutions

May 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991apj...373..237c&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 373, May 20, 1991, p. 237-245. CONICET-supported research.

Statistics

Computation

1

Radiation Pressure, Stellar Interiors, Stellar Oscillations, Computational Astrophysics, Numerical Integration, Perturbation Theory, Stars: Interiors, Stars: Pulsation

Scientific paper

We investigate the excitation and stability of limit cycle solutions of the one-zone model equations derived by Stellingwerf & Gautschy to demonstrate the usefulness of this approach and to gain understanding of radiation pressure effects on stellar pulsation. We use a perturbative analysis and discuss and compare the advantages of these techniques with the numerical integration of the equations. Interesting comparisons with observational data are found. The relationship of noise effects with irregularities of some types of stars is mentioned.

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