The First Stellar Abundance Measurements in the Galactic Center: The M Supergiant IRS 7

@article{Carr1999TheFS,
  title={The First Stellar Abundance Measurements in the Galactic Center: The M Supergiant IRS 7},
  author={J. Carr and K. Sellgren and S. Balachandran},
  journal={The Astrophysical Journal},
  year={1999},
  volume={530},
  pages={307-322}
}
The first measurement of the photospheric abundances in a star at the Galactic center are presented. A detailed abundance analysis of the Galactic center M2 supergiant IRS 7 was carried out using high-resolution near-infrared echelle spectra. The Fe abundance for IRS 7 was found to be close to solar, [Fe/H] = -0.02 ± 0.13, and nearly identical to the Fe abundance we obtained for the nearby M supergiants α Ori and VV Cep. Analysis of the first and second overtone lines of CO was used to derive… Expand
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