The chemical composition of the globular cluster M55

Details The chemical composition of the globular cluster M55 The chemical composition of the globular cluster M55

Dec 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984pasp...96..932p&link_type=abstract

Astronomical Society of the Pacific, Publications (ISSN 0004-6280), vol. 96, Dec. 1984, p. 932-943.

Astronomy and Astrophysics

Astronomy

10

Astronomical Catalogs, Chemical Composition, Giant Stars, Globular Clusters, Stellar Spectrophotometry, Abundance, Iron, Spectral Resolution, Spectrum Analysis, Stellar Composition, Stellar Models

Scientific paper

The chemical composition of five giant stars in the globular cluster M55 has been determined from the analysis of high-resolution echelle spectrograms in both the red and the blue spectral regions. The overall iron-peak abundances are [m/H] = -1.3±0.1. The abundances of the very heavy elements follow a pattern similar to the solar composition. Carbon in these giants is deficient relative to the iron-peak elements by about a factor of 4.

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