A criterion of double-mode pulsation from coupling coefficients |
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| Authors: | T Ishida |
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| Institution: | (1) Astronomical Institute, Faculty of Science, Tohoku University, Sendai, Japan |
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| Abstract: | A criterion for the occurrence of double-mode pulsations is derived from linear adiabatic coupling coefficients The criterion indicates that double-mode pulsations of classical Cepheids occur at a shorter period range than the observed one, and that the evolutionary mass models are preferable for the double-mode pulsations. |
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