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Hybrid talk: Mega (6228, Hus 3, Albano) + https://stockholmuniversity.zoom.us/j/530682073
The study of stars evolving through the asymptotic giant branch (AGB) proves crucial in several astrophysical contexts, given the important feedback provided by these objects to the host system, in terms of the gas, poured into the interstellar medium after being exposed to contamination from nucleosynthesis processes, and the dust formed in their wind. Most of the studies conducted so far have been focused on AGB stars with solar and sub-solar chemical composition, whereas the extremely metal-poor domain has been poorly explored. Filling this gap turns out to be extremely important in the context of galactic archaeology and in shedding new light in the chemistry of the early Universe. Today I will present the main results from our AGB modelling, extended to extremely metal-poor chemistries. I will show the two sets of stellar evolutionary sequences we recently calculated, with metallicity [Fe/H]=-3,-5 and in the 1-7.5Msun mass range, evolved from the pre-main sequence to the end of the AGB phase. I will also discuss the gas yields calculated of the individual chemical species and the dust produced by these objects.