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        검색결과 2

        1.
        1996.12 KCI 등재 SCOPUS 구독 인증기관·개인회원 무료
        Precise masses, radii, and luminosities from eclipsing binaries and colour-magnitude diagrams for open clusters are classic tools in empirical tests of stellar evolution models. We review the accuracy and completeness required for such data to discriminate between current models and describe some recent. results with implications for convection theory.
        2.
        1996.12 KCI 등재 SCOPUS 구독 인증기관·개인회원 무료
        The solar neighbourhood is the starting point for studies of the structure and evolution of the Galactic disk. Yet, our knowledge of the relative frequencies, distances, ages, chemical abundances, velocities, and birthplaces of the nearby stars is severely incomplete. We have determined complete, homogeneous, and precise such data for a kinematically unbiased sample of ~12,000 local F and G dwarf stars and describe a first, significant result from it.