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Paper: Stellar Abundances at the Galactic Center
Volume: 186, The Central Parsecs of the Galaxy
Page: 373
Authors: Ramírez, S. V.; Sellgren, K.; Terndrup, D. M.; Carr, J. S.; Balachandran, S.; Blum, R. D.
Abstract: We are measuring Fe abundances of cool, luminous stars within 30 pc of the center of the Milky Way. Our sample contains both AGB stars and M supergiants. Low-resolution (λ / Δ λ = 500) H and K band spectra are used to estimate temperatures and gravities. Stellar Fe abundances are determined from high-resolution (λ / Δ λ = 40,000) K band spectra obtained on the IRTF using CSHELL. We find that Fe abundances of stars in the Galactic Center are consistent with the solar Fe abundance.
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