A survey for CH stars in globular clusters

Details A survey for CH stars in globular clusters A survey for CH stars in globular clusters

Jan 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005hia....13..160j&link_type=abstract

In: Highlights of Astronomy, Vol. 13, as presented at the XXVth General Assembly of the IAU - 2003 [Sydney, Australia, 13 - 26 J

Astronomy and Astrophysics

Astronomy

Globular Clusters, Ch Stars

Scientific paper

I will present the distribution of carbon abundances derived from intermediate band photometry and low-dispersion spectroscopy of stars on the giant and subgiant branches in 6 Milky Way globular clusters. I will compare the distribution of G-Band strengths and in particular the frequency of CH stars with that observed in the field to evaluate the possible contributions of globular clusters to the field halo population. Implications for the number of binaries and for theories of carbon production and dispersal in globular clusters will also be discussed.

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