Journal
ASTRONOMY & ASTROPHYSICS
Volume 411, Issue 3, Pages 417-426Publisher
E D P SCIENCES
DOI: 10.1051/0004-6361:20031357
Keywords
stars : abundances, atmospheres; Galaxy : globular clusters : individual : NGC 6553
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A detailed abundance analysis of 5 giants of the metal-rich bulge globular cluster NGC 6553 was carried out using high resolution infrared spectra in the H band, obtained at the Gemini-South 8m telescope. JK photometry collected at ESO and VI photometry from the Hubble Space Telescope are used to derive effective temperatures. The present analysis provides a metallicity [Fe/H] = -0.20 +/- 0.10. An overabundance of oxygen of [O/Fe] = +0.20 is found from IR OH lines.
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