Bursting oscillations in long-period variables

Details Bursting oscillations in long-period variables Bursting oscillations in long-period variables

Mar 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003aspc..292..285m&link_type=abstract

Interplay of Periodic, Cyclic and Stochastic Variability in Selected Areas of the H-R Diagram. Edited by C. Sterken, ASP Conf. S

Astronomy and Astrophysics

Astronomy

Scientific paper

The irregular changes in the light curves of several variable stars have been proved to be due to deterministic chaos. Moreover, several simple models of nonlinear oscillators have been shown to be capable of revealing the origin of these irregular changes. In this work, we introduce a nonlinear, nonadiabatic one-zone model intended to study the irregular variability of some Mira-like variables. We perform a parametric study of it, and we present some particular solutions that reproduce with reasonable accuracy the observed behaviour of these variable stars.

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