Chemically-Peculiar Red Giants: Uncovering the Binary Intruders
作者： Sophie Van Eck , A. Jorissen
DOI: 10.1007/978-94-015-9723-4_8
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摘要: It is now widely recognised that peculiar red giants such as S stars are overgrown with “extrinsic” stars. Those binary masqueraders share the same abundance peculiarities prototypes of their spectral family (as judged from low-resolution spectra), but have a totally different evolutionary history (chemical originating mass transfer across system instead internal nucleosynthesis). Some characteristic properties these extrinsic investigated and importance un-masking them in stellar population studies stressed.
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