Deep Mixing and Metallicity in Globular Cluster Red Giants

Details Deep Mixing and Metallicity in Globular Cluster Red Giants Deep Mixing and Metallicity in Globular Cluster Red Giants

Dec 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007aas...211.7302m&link_type=abstract

American Astronomical Society, AAS Meeting #211, #73.02; Bulletin of the American Astronomical Society, Vol. 39, p.864

Astronomy and Astrophysics

Astronomy

Scientific paper

We present results from a study of carbon depletion and deep mixing in globular cluster red giants across a wide range of metallicity. CH bandstrengths are measured from low-resolution (R 1000) spectra and converted to [C/Fe] abundances by comparisons with synthetic spectra. Although some models of deep mixing predict that its efficiency will be reduced at high metallicity, no sign of such a cutoff is seen in our data, which span the range -2.29 < [Fe/H] < -1.29.

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