Cosmic rates of black hole mergers and pair-instability supernovae from chemically homogeneous binary evolution
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DOI: 10.1093/mnras/staa3225
Abstract: During the first three observing runs of the Advanced gravitational-wave detector network, the LIGO/Virgo collaboration detected several black hole binary (BHBH) mergers. As the population of detected BHBH mergers grows, it will become possible to… read more here.
Keywords: black hole; chemically homogeneous; formation; rate ... See more keywords
Sensitivity of the lower edge of the pair-instability black hole mass gap to the treatment of time-dependent convection
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DOI: 10.1093/mnras/staa549
Abstract: Gravitational-wave detections are now probing the black hole (BH) mass distribution, including the predicted pair-instability mass gap. These data require robust quantitative predictions, which are challenging to obtain. The most massive BH progenitors experience episodic… read more here.
Keywords: gap; black hole; mass; convection ... See more keywords
Hypercritical accretion during common envelopes in triples leading to binary black holes in the pair-instability-supernova mass gap
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DOI: 10.1093/mnras/stad1082
Abstract: Hydrodynamic studies of stellar-mass compact objects (COs) in a common envelope (CE) have shown that the accretion rate onto the CO is a few orders of magnitude below the Bondi-Hoyle-Lyttleton (BHL) estimate. This is several… read more here.
Keywords: binary black; accretion; hypercritical accretion; gap ... See more keywords