Abstract
Spectrophotometry observations (resolution 8A) have been obtained for nine Draco giants with the IIDS scanner on the KPNO 4 m telescope. A preliminary analysis using K-line equivalents widths shows an order of magnitude range in metal abundance: from +0.5 to -0.5 with respect to [Fe/H] of the giants in M92. The giants of Zinn’s B branch are more metal-poor than those on his A branch but the difference is larger than he deduced.
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Kinman, T.D., Kraft, R.P., Suntzeff, N.B. (1981). On the Metal Abundance of Giants in the Draco Dwarf Galaxy — Preliminary Results of a Spectroscopic Survey. In: Iben, I., Renzini, A. (eds) Physical Processes in Red Giants. Astrophysics and Space Science Library, vol 88. Springer, Dordrecht. https://doi.org/10.1007/978-94-009-8492-9_8
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DOI: https://doi.org/10.1007/978-94-009-8492-9_8
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