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Remnant Black Hole Kicks and Implications for Hierarchical Mergers

  • Authors: Parthapratim Mahapatra, Anuradha Gupta, Marc Favata, K. G. Arun, and B. S. Sathyaprakash

2021 The Astrophysical Journal Letters 918 L31.

  • Provider: AAS Journals

Caption: Figure 1.

The probability density function (PDF) p(Vkick) (left), and the cumulative distribution function (CDF) F(v*) (right) of the kick magnitude for representative GW events in GWTC-2. The PDF is constructed by combining the parameter estimation posterior samples for the binary parameters with the fitting formula for the kick. The CDF F(v*) is computed by integrating p(Vkick) from 0 to v*. Shown in the insets are the PDF and the CDF of GW190814, which has the most precisely inferred kick magnitude and the lowest kick of all GWTC-2 events.

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