2008

Clues to the Metallicity Distribution in the Galactic Bulge: Abundances in OGLE-2007_BLG-349S

Cohen, Judith G., Huang, Wenjin, Udalski, A. et al.

Understand

We present an abundance analysis based on high dispersion and high signal-to-noise ratio Keck spectra of a very highly microlensed Galactic bulge dwarf, OGLE-2007-BLG-349S, with Teff ~ 5400 K.

The amplification at the time the spectra were taken ranged from 350 to 450.
This bulge star is highly enhanced in metallicity with [Fe/H] = +0.51 \pm 0.09 dex.
The abundance ratios for the 28 species of 26 elements for which features could be detected in the spectra are solar.

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