Computer Science
Scientific paper
Dec 1985
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985msngr..42...14s&link_type=abstract
ESO Messenger (ISSN 0722-6691), Dec. 1985, p. 14-17.
Computer Science
2
Abundance, Globular Clusters, Star Clusters, Stellar Spectrophotometry, Chemical Composition, Halos, Stellar Atmospheres
Scientific paper
It is pointed out that the analysis of globular cluster stars provides a unique opportunity to understand the early history of the Galaxy. Questions regarding the aim of abundance determination in globular cluster stars are discussed along with the Caspec spectrograph and the precision of the obtained data. A comparison is conducted of the results obtained with the Caspec and the results provided by the 1.5 coude spectrograph, taking into account spectra of the field halo giant HD 184711. Attention is also given to M22-IV97, a star already observed at Kitt Peak. Questions regarding the chemical composition of M22-IV97 and Omega Cen 65 are explored, and data obtained on the basis of preliminary abundance determinations in the atmospheres of the stars are presented in a table.
François Patrick
Spite Francois
Spite Monique
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