Abundance analysis of stars in NGC 6522 (Castro+, 1995)

Physics

Scientific paper

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Clusters: Globular, Spectroscopy, Abundances

Scientific paper

The CASPEC echelle spectrograph at the ESO 3.6 m telescope was used to obtain high resolution spectra of Arp 1145 and Arp 2240, two stars of the Baade Window, near the globular cluster NGC 6522. From a detailed analysis using equivalent widths and spectrum synthesis we derive the stellar parameters (Teff, log g and [M/H])=(4750,1.2,-0.9) and (5000,2.15,+0.2), respectively for Arp 1145 and Arp 2240. (1 data file).

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