Cumulative mass-function distributions for barium systems (blue), S-star systems (red), and K giants in clusters (black). The step curves correspond to the observed values, as listed in Tables A.1–A.3. The dashed curves are the synthetic curves produced by the adopted Gaussian distributions, with parameters as listed on the lines labelled Ba and S in Table 1. The histograms at the bottom of the figure correspond to the histograms of Q values for barium and S systems resulting from the normal distributions adopted for M1 and M2.
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