Abstract
view Abstract Citations (110) References (62) Co-Reads Similar Papers Volume Content Graphics Metrics Export Citation NASA/ADS Metal abundances of galactic globular clusters. Smith, H. A. Abstract The present consideration of the effects of diffusion on the metal abundance index Delta-S, on the basis of measurements for RR Lyrae stars in nine globular clusters, notes that such effects are probably small. Delta-S metal abundances for 26 globular clusters are also used to recalibrate Zinn's (1981) integrated light metallicity index, Q(39), in terms of Fe/H abundance values, which are determined for 55 globular clusters either from Delta-S or the corrected Q(39) indices. Metallicity distributions for the inner and outer galactic halo clusters are compared with a view to their implications, and it is found that the metal abundance of outer halo globular clusters is close to that of field RR Lyrae stars in the outer halo. Publication: The Astrophysical Journal Pub Date: June 1984 DOI: 10.1086/162084 Bibcode: 1984ApJ...281..148S Keywords: Abundance; Giant Stars; Globular Clusters; Metallicity; Milky Way Galaxy; Halos; Horizontal Branch Stars; Hydrogen; Iron; Radial Velocity; Variable Stars; Astrophysics full text sources ADS | data products SIMBAD (33)
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