Fig. 15.
Single (top) and binary (bottom) BHs velocity distribution in the three Galactic components for model B. In model B we assumed that the CE phase with an HG donor star always leads to a binary system merger. With the red dashed line we mark the velocity equal to 580 km s−1, which is the estimated value of the local Galactic escape speed at the position of the Sun (Monari et al. 2018).
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