Stellar iron abundances at the Galactic Center

Details Stellar iron abundances at the Galactic Center Stellar iron abundances at the Galactic Center

Dec 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997aas...19110705r&link_type=abstract

American Astronomical Society, 191st AAS Meeting, #107.05; Bulletin of the American Astronomical Society, Vol. 29, p.1383

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Scientific paper

We are measuring chemical abundances of cool, luminous, Galactic Center (GC) stars. Stellar abundances are determined from high-resolution (R=40,000) K-band spectra obtained on the IRTF using CSHELL. Other researchers have observed increasing metallicities in HII regions with decreasing radius in the Milky Way. Chemical abundances in the disks of spiral galaxies are also observed to reach their highest values at the center. This suggests that the GC should have a high metallicity. Nevertheless, our results for [Fe/H] in five stars in the GC are consistent with solar iron abundances.

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