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On the pulsations of the $\delta$ Scuti star of the binary system KIC 6629588
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abstract
This work includes a comprehensive analysis of the Kepler detached eclipsing binary system KIC 6629588 that aims to the detailed study of the oscillation properties of its pulsating component. Ground-based spectroscopic observations were obtained and used to classify the components of the system. The spectroscopic results were used as constrains for the modelling of the short-cadence Kepler light curves and for the estimation of the absolute parameters of the components. Furthermore, the light curves residuals are analyzed using Fourier transformation techniques in order to search for pulsation frequencies. The primary component of the system is identified as a $\delta$ Scuti star that pulsates in seven eigenfrequencies in the range 13-22 d$^{-1}$, while more than 270 combination frequencies were also detected. The absolute and the oscillation parameters of this pulsating star are compared with those of other $\delta$ Scuti stars-members of detached binary systems using evolutionary and correlation diagrams. Finally, the distance of the system is also estimated.
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Cited by 1 Pith paper
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Re-examining Super-Nyquist Frequencies of 68 $\delta$ Scuti Stars Utilizing the Kepler Long Cadence Photometry
Six frequencies in four delta Scuti stars are actually alias images of super-Nyquist signals, identified by re-analyzing Kepler long-cadence data with the sliding Lomb-Scargle periodogram.
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