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Chemical Abundances in the Sagittarius Galaxy: Terzan 7

Published online by Cambridge University Press:  30 March 2016

Gražina Tautvaišienė ,
George Wallerstein ,
Doug Geisler ,
Guillermo Gonzalez  and
Corinne Charbonnel
Gražina Tautvaišienė
Affiliation:
Vilnius University Institute of Theoretical Physics and Astronomy, Gostauto 12, Vilnius 2600, Lithuania
George Wallerstein
Affiliation:
University of Washington, Box 351580, Seattle, WA 98195-1580
Doug Geisler
Affiliation:
Universidad de Concepción, Casillo 160-C, Concepción, Chile
Guillermo Gonzalez
Affiliation:
Iowa State University, Ames, IA 50011
Corinne Charbonnel
Affiliation:
Geneva Observatory, CH-1290 Sauverny, Switzerland

Abstract

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Abundances of 21 chemical elements have been determined in three red giants in Terzan 7 using high-resolution spectra obtained with the UVES spectrograph on the ESO 8.2 m Kueyen telescope. The mean [Fe/H]= –0.61 ±0.07. The relative elemental abundance ratios indicate a close similarity of Terzan 7 to its host galaxy.

Type
JD6: Extragalactic Globular Clusters & Their Host Galaxies
Information
Highlights of Astronomy , Volume 13 , 2005 , pp. 210
Copyright
Copyright © Astronomical Society of Pacific 2005