Decreasing cumulative distribution of periods of V7 (green dots on line) and V11 (black dots online) of PDS (NASA) with Rel  ≥ 2, and superposed q-Gaussians (N _≥ (p) = Mexp_q( − β_qp²)). V7: q = 2.0, β_q = 0.0161 h^-2, M = 1621; V11: q = 2.6, β_q = 0.025 h^-2, M = 3567. Fittings of the periods of V7 for P > 50 h are poor. This does not happen with V11, and it possibly indicates a better accuracy of the data. Dashed (violet online) and dot-dashed (magenta online) lines are normal (q = 1) Gaussians, with β₁ = 0.0161 h^-2, M = 1621, and β₁ = 0.025 h^-2, M = 3567.