Observational evidence for abundance variations in stellar populations

Details Observational evidence for abundance variations in stellar populations Observational evidence for abundance variations in stellar populations

Mar 1979

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979mmsai..50...15m&link_type=abstract

(Workshop on Chemical Inhomogeneities in the Galaxy, Frascati, Italy, May 29-June 2, 1978.) Società Astronomica Italiana, Memori

Astronomy and Astrophysics

Astronomy

45

Abundance, Astronomical Spectroscopy, Chemical Evolution, Globular Clusters, Astronomical Photometry, Carbon Stars, Cepheid Variables, Inhomogeneity, Milky Way Galaxy, Stellar Evolution

Scientific paper

Recent observations of halo globular clusters have revealed gross variations in chemistry that have far-reaching consequences for our understanding of nucleosynthesis, stellar evolution, and the chemical history of the Galaxy. The present paper reviews observational evidence on chemical inhomogeneities in globular clusters, with attention given to weak G-band stars, anomalous CN strengths, the giant branch of Omega Cen, and radial abundance gradients. Attention is also given to abundance variations in CH stars, and to evidence for variations in relative abundances of elements from cluster to cluster.

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