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Binary Black Hole Population Properties Inferred From The First And Second Observing Runs Of Advanced Ligo And Advanced Virgo, B. P. Abbott, T. D. Abbott, S. Abraham, Teviet Creighton, Mario C. Diaz, Soma Mukherjee, Volker Quetschke, Malik Rakhmanov, Karla E. Ramirez, Satzhan Sitmukhambetov, D. Tuyenbayev, W. H. Wang, Adam Zadrozny
Binary Black Hole Population Properties Inferred From The First And Second Observing Runs Of Advanced Ligo And Advanced Virgo, B. P. Abbott, T. D. Abbott, S. Abraham, Teviet Creighton, Mario C. Diaz, Soma Mukherjee, Volker Quetschke, Malik Rakhmanov, Karla E. Ramirez, Satzhan Sitmukhambetov, D. Tuyenbayev, W. H. Wang, Adam Zadrozny
Physics and Astronomy Faculty Publications and Presentations
We present results on the mass, spin, and redshift distributions with phenomenological population models using the 10 binary black hole (BBH) mergers detected in the first and second observing runs completed by Advanced LIGO and Advanced Virgo. We constrain properties of the BBH mass spectrum using models with a range of parameterizations of the BBH mass and spin distributions. We find that the mass distribution of the more massive BH in such binaries is well approximated by models with no more than 1% of BHs more massive than 45M(circle dot) and a power-law index of alpha = 1.3(-1.7)(+1.4) (90% credibility). …