Metal Abundance of Red Clump Stars in Baade's Window

Details Metal Abundance of Red Clump Stars in Baade's Window Metal Abundance of Red Clump Stars in Baade's Window

Jun 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002aca....52..159k&link_type=abstract

Acta Astronomica, v.52, pp.159-175, (2002).

Astronomy and Astrophysics

Astronomy

3

Stars: Abundances, Galaxy: Abundances, Galaxy: Center

Scientific paper

Thirteen red clump stars from Baade's window were observed with high resolution in the red part of the optical spectrum with the UVES echelle spectrograph at the Mount Paranal ESO Observatory. The model atmosphere abundance analysis placed their [Fe/H] values in a range from 0.0 to -1.52 dex. Present results, based on direct measurements of iron abundance, confirm former suggestions that the I-band brightness of the red clump giants only weakly depends on [Fe/H]. The determined values of [Fe/H] may contain a slight systematic error connected with still now unexplained difference in colors between stars in the Galactic bulge and in the solar vicinity.

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