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- W4300384541 abstract "The surface carbon abundances of Algol secondaries are known to be low compared to field stars of similar type. The C and N anomalies of these G and K subgiants are undoubtedly due to the exposure of CN cycle processed material as mass transfer removes the outer layers of the star. Therefore the carbon abundance is a promising tool for helping fix the evolutionary state of Algols, particularly the amount of mass which has been lost from the secondary. We report here the carbon abundance of 12 Algol secondaries as deduced from the g-band in spectra obtained during photometric totality. We compare the abundances to those from models of single stars of appropriate age and mass. The values of log ∊(C) for this sample fall 0.25–0.75 dex below field G and K giants, and 1.25–1.75 dex above “stripped” single star models. This larger sample supports the conclusions of Parthasarthy et al. regarding mixing and mass loss, which they deduced from a smaller sample of carbon abundances." @default.
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- W4300384541 date "1992-01-01" @default.
- W4300384541 modified "2023-09-26" @default.
- W4300384541 title "Carbon Depletion in Case B Mass Transfer Algol-Type Binaries" @default.
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- W4300384541 doi "https://doi.org/10.1017/s0074180900122478" @default.
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