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Fig. 4

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Dimensionless mass as a function of the dimensionless central matter density for 0 (solid line), 0.5 (dashed line), 0.8 (dotted lines), 1.3 (dash-dotted line). The discontinuity of the curves for some values of the central matter density arises because the condition RRΛ that is necessary for the existence of the equilibrium configurations is not fulfilled (see Figs. 13 and Eqs. (62), (63)).

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