2022/02/01 by Burak Ulaş, B. Ulaş, C. Ulusoy +5 · 3 citations
Physics and Astronomy · #Astronomy #Astronomy and Astrophysical Research #Astrophysics #Astrophysics and Star Formation Studies #Binary Independence Model #Binary number #Binary star #Binary system #Contact binary #Light curve #Physics #Primary (astronomy) #Primary component #Stars #Stellar classification #Stellar, planetary, and galactic studies #astro-ph.SR
paper · pdf · doi:10.1007/s10509-022-04053-6
published in Astrophysics and Space Science 367(2) (Springer Science+Business Media) · Accepted for publication in Astrophysics and Space Science, 26 pages, 12 figures
openalex publication_date 2022/02/01 · arxiv created 2022/02/14 · openalex created_date 2022/03/02 · arxiv updated 2022/03/09 · openalex updated_date 2026/08/05
We present the first evidence for the pulsations of primary components of four eclipsing binary systems. The TESS light curves of the targets are analyzed, the light and the absolute parameters are derived. Fourier analyses are applied to the residual data subtracted from the binary models to reveal the pulsational characteristics of the primaries. The components of the systems are compared to well-known binary systems of the same morphological type. The types of pulsational classes for the primaries are also discussed. Results show that CPD-30 740 and V1637 Ori are oscillating eclipsing Algol type binary stars, while HD 97329 and TYC 683-640-1 are found to be detached systems with pulsating primary components. We conclude that the primary components of the systems are pulsating stars.