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An Amplitude Analysis of TU Cassiopeiae


Vicki Mader

Maria Mitchell Observatory, Nantucket, MA 02554


Received: August 7, 1991




TU Cas is a double-mode Cepheid variable star.  The amplitudes of the two modes as observed from 1987 to 1990 are compared with previous data.  A previously reported decrease in amplitude is not confirmed.  This result favors stable mixed-mode pulsation over mode-switching.


Link to ADS abstract, article and citation information

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