Abstract
The effect of the orbital motion on the light curve of a pulsating star has been evaluated by means of the amplitude and phase spectra synthesis based on the instantaneous pulsation phase concept. The role of the binary system's geometry (circular or eccentric orbit) and the possibility of binarity diagnosis are also emphasized.
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Pop, A., Turcu, V. The study of binary systems with pulsating components using the frequency-modulation theory. Astrophys Space Sci 204, 233–241 (1993). https://doi.org/10.1007/BF00658027
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DOI: https://doi.org/10.1007/BF00658027