BPASS predictions for binary black hole mergers

  title={BPASS predictions for binary black hole mergers},
  author={J. J. Eldridge and Elizabeth R Stanway},
  journal={Monthly Notices of the Royal Astronomical Society},
  • J. Eldridge, E. Stanway
  • Published 11 February 2016
  • Physics
  • Monthly Notices of the Royal Astronomical Society
Using the Binary Population and Spectral Synthesis code, BPASS, we have calculated the rates, time-scales and mass distributions for binary black hole (BH) mergers as a function of metallicity. We consider these in the context of the recently reported first Laser Interferometer Gravitational-Wave Observatory (LIGO) event detection. We find that the event has a very low probability of arising from a stellar population with initial metallicity mass fraction above Z = 0.010 (Z ≳ 0.5 Z⊙). Binary BH… 

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