Physics Colloquium

Andrew McWilliam, The Carnegie Institution for Science

Nucleosynthesis and Chemical Evolution from Las Campanas Observatory

Las Campanas observatory houses two of the largest optical telescopes in the world. Coupled with an efficient high-resolution spectrograph, these telescopes permit detailed chemical abundance measurements of individual stars in the nearest members of the Local Group of galaxies.

I discuss a few ways in which the chemical composition of the envelopes of old stars provides constraints on the astrophysical sites of nucleogenesis, stellar structure and evolution, and the evolution of galaxies.

Monday, 18 November, 2013


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