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Iron Abundances in AGB Stars and M Supergiant Stars at the Galactic Center
Published online by Cambridge University Press: 25 May 2016
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/Δλ = 500) H and K band spectra are used to estimate temperatures and gravities. Stellar Fe abundances are determined from high-resolution (λ/Δλ = 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.
- Type
- Part 6. AGB Stars as a Population of Various Galaxies
- Information
- Symposium - International Astronomical Union , Volume 191: Asymptotic Giant Branch Stars , 1999 , pp. 529 - 534
- Copyright
- Copyright © Astronomical Society of the Pacific 1999