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- W4309931954 abstract "The Kepler space telescope has detected a large number of variable stars. We summarize 2261 δ Scuti and hybrid variables in the literature, and perform time-frequency analysis on these variable stars. Two non-eclipsing binary systems, KIC 5080290 and KIC 5480114, are newly discovered. They both pass more detailed aperture photometry and bright star contamination checks. The results of the time-frequency analysis demonstrate that the companions are stellar objects with orbital periods of approximately 265 days and 445 days, respectively. The orbital parameters of the two systems and the lower mass limits of the companions are obtained. The primary stars of both systems are slightly evolved intermediate-mass stars. The detection of intermediate-mass binary stars is helpful to understand the formation and evolution mechanism of binary stars in this mass region." @default.
- W4309931954 created "2022-11-30" @default.
- W4309931954 creator A5006868711 @default.
- W4309931954 date "2022-11-23" @default.
- W4309931954 modified "2023-10-14" @default.
- W4309931954 title "Hidden Companions Detected by Asteroseismology. I. Two Kepler Field Non-Eclipsing Binaries" @default.
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- W4309931954 doi "https://doi.org/10.3390/universe8120614" @default.
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