2022
DOI: 10.3390/galaxies10050097
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Mass-Accreting Pulsating Components of Algols

Abstract: We present a review of the latest results of studies of the class of mass-accreting pulsating components of semi-detached eclipsing binaries known as oEA stars. The application of the techniques of asteroseismology to this class of stars unlocks new pathways for gaining a deeper understanding of the short-term evolution and magnetic activity of binary stars. We report the discovery of 49 new pulsating components of eclipsing binaries, based on data from NASA’s TESS space telescope. Recent observational results… Show more

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Cited by 4 publications
(2 citation statements)
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“…1 The primary star of AB Cas is the first δ Sct-type pulsating component identified in Algol-type binary systems and is a member of the oscillating Eclipsing Algol (oEA) classification. oEA stars, defined as mass-accreting pulsating components of A-F spectral type main-sequence stars in semidetached Algols, have evolved differently from classical δ Sct stars (Mkrtichian et al 2004(Mkrtichian et al , 2022. Eclipsing binaries with various types of pulsating stars were reviewed by Lampens (2021).…”
Section: Light Curves Of Eclipsing Binariesmentioning
confidence: 99%
See 1 more Smart Citation
“…1 The primary star of AB Cas is the first δ Sct-type pulsating component identified in Algol-type binary systems and is a member of the oscillating Eclipsing Algol (oEA) classification. oEA stars, defined as mass-accreting pulsating components of A-F spectral type main-sequence stars in semidetached Algols, have evolved differently from classical δ Sct stars (Mkrtichian et al 2004(Mkrtichian et al , 2022. Eclipsing binaries with various types of pulsating stars were reviewed by Lampens (2021).…”
Section: Light Curves Of Eclipsing Binariesmentioning
confidence: 99%
“…To validate the ICC approach, this study revisits two wellknown objects, δ Sct-type pulsating primary stars in the doublelined eclipsing binary systems AB Cas 1 and OO Dra. These two δ Sct primaries differ from classical δ Sct stars in evolutionary terms due to mass transfer between the binary components (Hong et al 2017;Lee et al 2018;Mkrtichian et al 2022); their binary evolution is described in Section 5.2. They have an important advantage from an asteroseismic aspect in that their physical properties, such as masses and radii, are well constrained from photometric and spectroscopic observations.…”
Section: Introductionmentioning
confidence: 99%