Mean s-process abundance (s is an average of the Sr, Y, Zr, Nb, Ba, La, Ce, Pr, Nd abundances) as a function of the orbital period (top panel) and of the periastron distance (bottom panel), assuming the total mass of the binary system is 2 M⊙. The eccentricity is coded as follows: red: e > 0.3; green: 0.1 < e ≤ 0.3; blue: e ≤ 0.1.
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