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Detection of Pulsation and Additional Components in Eclipsing Binary RS Sct
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作者 A.Abedi K.Y.Roobiat 《Research in Astronomy and Astrophysics》 SCIE CAS CSCD 2023年第12期190-203,共14页
The eclipsing binary star RS Sct is a semi-detached system of theβLyrae type.This system was photometered for six nights in 2019 August,and 2020 June and August.The light and radial velocity curves were simultaneousl... The eclipsing binary star RS Sct is a semi-detached system of theβLyrae type.This system was photometered for six nights in 2019 August,and 2020 June and August.The light and radial velocity curves were simultaneously analyzed to obtain the absolute physical and orbital parameters of the system,and the system geometry was determined.In this system,the primary component has filled its inner Roche lobe and the secondary component is close to filling it.Moreover,the change in the orbital period of this system was investigated.The presence of the third or fourth components and the mass transfer between the two components affect the orbital period of the system.In addition,the pulsation of the primary component was detected.Also,several frequencies with high signal-to-noise ratios were identified.According to the position of the primary component in the H-R diagram and the value of the obtained frequencies,this component is likely a delta-Scuti pulsator. 展开更多
关键词 (stars:)binaries eclipsing-stars individual(RS Sct)-methods data analysis-techniques PHOTOMETRIC
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