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Fig. 3.

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BH accretion rate for the models with solar abundances of the E group with  = 1 d. The qualitative form of the functions is related to the mass loss rate of the donor star by the relation 2 = −β1. This is, for a higher value for β larger would be the accretion rate onto the compact object. The shaded area represents the zone below the likely upper limit for the mass accretion rate (⟨2⟩ = 4 × 10−10 M yr−1 given by ZZ18. Models with β ≤ 0.3 agree with this upper limit and the results reached by the mentioned authors.

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