Monash Chemical Yields Project (Mon¿ey) - Element production in low- and intermediate-mass stars of metallicities Z = 0 to 0.04
Document typeConference lecture
PublisherCambridge University Press
Rights accessOpen Access
The Mon¿ey project will provide a large and homogeneous set of stellar yields for the low- and intermediate- mass stars and has applications particularly to galactic chemical evolution modelling. We describe our detailed grid of stellar evolutionary models and corresponding nucleosynthetic yields for stars of initial mass 0.8 M¿ up to the limit for core collapse supernova (CC-SN) ˜ 10 M¿. Our study covers a broad range of metallicities, ranging from the first, primordial stars (Z = 0) to those of super-solar metallicity (Z = 0.04). The models are evolved from the zero-age main-sequence until the end of the asymptotic giant branch (AGB) and the nucleosynthesis calculations include all elements from H to Bi. A major innovation of our work is the first complete grid of heavy element nucleosynthetic predictions for primordial AGB stars as well as the inclusion of extra-mixing processes (in this case thermohaline) during the red giant branch. We provide a broad overview of our results with implications for galactic chemical evolution as well as highlight interesting results such as heavy element production in dredge-out events of super-AGB stars. We briefly introduce our forthcoming web-based database which provides the evolutionary tracks, structural properties, internal/surface nucleosynthetic compositions and stellar yields. Our web interface includes user- driven plotting capabilities with output available in a range of formats. Our nucleosynthetic results will be available for further use in post processing calculations for dust production yields.
CitationDoherty, C., Lattanzio, J. C., Angelou, G., Campbell, S., Church, R., Constantino, T., Cristallo, S., Gil Pons, P., Karakas, A., Lugaro, M., Stancliffe, R. Monash Chemical Yields Project (Mon¿ey) - Element production in low- and intermediate-mass stars of metallicities Z = 0 to 0.04. A: International Astronautical Congress. "Astronomy in Focus, XXIXB , Focus Meeting 4 XXIXth IAU General Assembly, August 2015 Piero Benvenuti, ed". Honolulu: Cambridge University Press, 2016, p. 164-165.