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astro-ph1999
Any Recent Progress in the Theory of Pulsating Stars?
Alfred Gautschy
To answer the topical question we survey synoptically the recent literature in pulsation theory. We restrict the topics to research on roAp stars, EC 14026 variables, strange modes…
astro-ph1999
An Attempt to Pin Down the Instability Domain of Long-Period Variables
Alfred Gautschy
The period-luminosity relation of Miras and semiregular variables in the Large Magellanic Cloud and in the Galaxy is used to locate their instability domain in the Hertzsprung-Russ…
astro-ph1999
On the Robustness of the Cepheids' PL Relation
Alfred Gautschy
The Cepheids' P-L relation got itself talked about again in the recent past due to claims of observed metallicity dependences of at least its zero point. The divergences of the obs…