Common origin for black holes in both high mass X-ray binaries and gravitational-wave sources

K. Belczynski, C. Done, S. Hagen +2

Black-hole (BH) high-mass X-ray binary (HMXB) systems are likely to be the progenitors of BH-BH mergers detected by LIGO/Virgo/KAGRA (LVK). Yet merging BHs reach higher masses ($\s…