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astro-ph2002★ 12 cited
The Complex Chemical Abundances and Evolution of the Sagittarius Dwarf Spheroidal Galaxy
Tammy A. Smecker-Hane, Andrew McWilliam
We report on the chemical abundances derived from high-dispersion spectra of 14 red giant stars in the Sagittarius dwarf spheroidal (Sgr dSph) galaxy. The stars span a wide range o…
astro-ph2001
The Ca II Triplet as an Abundance Indicator
T. Bosler, T. Smecker-Hane, A. McWilliam
How can we accurately determine the metallicity of faint red giant stars in nearby galaxies? The equivalent widths of the broad absorption lines from Ca II at 8498, 8542, and 8662…