Top panel: schematic timescales of the main nucleosynthetic sites: ccSN, SNIa and AGB stars, each labeled with a reference element. The timescales of ccSN and AGB stars are estimated from stellar lifetimes (Raiteri et al. 1996), while that of SNIa refers to the peak of the delay-time distribution function based on data and models (Maoz et al. 2014). Bottom panel: our inferred timescales of the quick and delayed r-process sources.
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