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• W2092139800 endingPage "167" @default.
• W2092139800 startingPage "167" @default.
• W2092139800 abstract "We present spectroscopic observations of LX Per carried out using the Korean Bohyunsan Observatory Echelle Spectrograph (BOES) with spectral resolving power R = 80, 000. The spectrograph was attached to the 1.8 m telescope. The fit of synthetic spectra to the observed spectrum of the system allowed us to find the component parameters and the abundances of chemical elements in the atmospheres of the components. The strong Ca ii H&K emissions are confirmed; we also found emission lines in the Ca ii reversals' triplet absorptions at the wavelengths of 8498, 8542, and 8662 Å in the spectrum of the cooler component of LX Per. A unique photometric solution using the distorted light curves of three different epochs was made. The spot model light curves were fitted to the 1981, 1982, and 1983 observations successfully by adjusting only spot parameters. We could infer that the variation of spot location and size was the main reason for the changing shape of light curves. The main feature of the abundance patterns of both components was the apparent deficiency of heavy (Z > 30) elements. Only elements with strong lines, namely Y and Ba, were detected. Correlations of relative abundances of chemical elements with condensation temperatures and second ionization potentials of these elements, which can be explained by the accretion of dust and gas, were found." @default.
• W2092139800 created "2016-06-24" @default.
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• W2092139800 date "2013-05-16" @default.
• W2092139800 modified "2023-10-02" @default.
• W2092139800 title "SIGNS OF ACCRETION IN THE ABUNDANCE PATTERNS OF THE COMPONENTS OF THE RS CVn-TYPE ECLIPSING BINARY STAR LX PERSEI" @default.
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• W2092139800 doi "https://doi.org/10.1088/0004-6256/145/6/167" @default.
• W2092139800 hasPublicationYear "2013" @default.
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