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- W2000180889 abstract "view Abstract Citations (29) References (27) Co-Reads Similar Papers Volume Content Graphics Metrics Export Citation NASA/ADS The globular cluster metallicity scale - Evidence from stellar models Demarque, P. ; King, C. R. ; Diaz, A. Abstract Theoretical giant branches have been constructed to determine their relative positions for metallicities in the Fe/H ratio range of -2.3 to zero. The models included the following improvements over previous studies: (1) in the convection zone, use of the variable mixing length formalism of Deupree and Varner (1980) in conjunction with Deupree's (1979) horizontally averaged opacity; (2) for the surface boundary conditions, a fit to the grid of model atmospheres of Bell et al. (1976). A relation between the Fe/H ratio and (B-V)o,g based on these models is presented which yields good agreement over the observed range of metallicities for galactic globular clusters and old disk clusters. The metallicity of 47 Tuc and M71 given by this calibration is about -0.8 dex. Publication: The Astrophysical Journal Pub Date: August 1982 DOI: 10.1086/160155 Bibcode: 1982ApJ...259..154D Keywords: Abundance; Atmospheric Models; Globular Clusters; Metallic Stars; Stellar Atmospheres; Stellar Models; Hertzsprung-Russell Diagram; Hydrodynamics; Stellar Temperature; Astrophysics full text sources ADS |" @default.
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- W2000180889 date "1982-08-01" @default.
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- W2000180889 title "The globular cluster metallicity scale - Evidence from stellar models" @default.
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