This article has an erratum: [https://doi.org/10.1051/0004-6361/201731832e]
Normalized histogram (left scale, with bins of size 0.5 in log scale) and cumulative frequency distribution (right scale) for orbital periods of barium and related systems. Systems with L/L⊙ ≤ 25 are depicted in pink, and systems with 25 <L/L⊙ ≤ 160) are depicted in green.
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