000006128 001__ 6128
000006128 005__ 20240126102720.0
000006128 0247_ $$2DOI$$a10.1093/mnras/stad137 
000006128 037__ $$aSCART-2023-0055
000006128 100__ $$aKahraman Aliçavuş, F.
000006128 245__ $$aComprehensive spectroscopic and photometric study of pulsating eclipsing binary star AI Hya
000006128 260__ $$c2023
000006128 520__ $$aThe pulsating eclipsing binaries are remarkable systems that provide an opportunity to probe the stellar interior and to determine the fundamental stellar parameters precisely. Especially the detached eclipsing binary systems with (a) pulsating component(s) are significant objects to understand the nature of the oscillations since the binary effects in these systems are negligible. Recent studies based on space data have shown that the pulsation mechanisms of some oscillating stars are not completely understood. Hence, comprehensive studies of a number of pulsating stars within detached eclipsing binaries are important. In this study, we present a detailed analysis of the pulsating detached eclipsing binary system AI Hya which was studied by two independent groups with different methods. We carried out a spectroscopic survey to estimate the orbital parameters via radial velocity measurements and the atmospheric parameters of each binary component using the composite and/or disentangled spectra. We found that the more luminous component of the system is a massive, cool and chemically normal star while the hotter binary component is a slightly metal-rich object. The fundamental parameters of AI Hya were determined by the analysis of binary variations and subsequently used in the evolutionary modelling. Consequently, we obtained the age of the system as 850 ± 20 Myr and found that both binary components are situated in the δ Scuti instability strip. The frequency analysis revealed pulsation frequencies between 5.5 and 13.0 d-1 and we tried to estimate which binary component is the pulsating one. However, it turned out that those frequencies could originate from both binary components.
000006128 594__ $$aNO
000006128 6531_ $$aStars: binaries: eclipsing
000006128 6531_ $$aStars: atmospheres
000006128 6531_ $$aStars: fundamental parameters
000006128 6531_ $$aStars: variables: δ Scuti
000006128 6531_ $$aStars: individual: AI Hya
000006128 700__ $$aPawar, T.
000006128 700__ $$aHełminiak, K. G.
000006128 700__ $$aHandler, G.
000006128 700__ $$aMoharana, A.
000006128 700__ $$aAliçavuş, F.
000006128 700__ $$aDe Cat, P.
000006128 700__ $$aLeone, F.
000006128 700__ $$aCatanzaro, G.
000006128 700__ $$aGiarrusso, M.
000006128 700__ $$aUkita, N.
000006128 700__ $$aKambe, E.
000006128 773__ $$c1601--1612$$n2$$pMonthly Notices of the Royal Astronomical Society$$v520$$y2023
000006128 8560_ $$fpeter.decat@observatoire.be
000006128 8564_ $$s3053466$$uhttp://publi2-as.oma.be/record/6128/files/KahramanAliçavuş2023_MNRAS520_1601.pdf
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000006128 905__ $$apublished in
000006128 980__ $$aREFERD