Parameter Estimation for Black Hole Mergers with Aligned Spin

Astronomy and Astrophysics – Astronomy

Scientific paper

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Scientific paper

Mergers of black holes are among the cornerstone sources for gravitational wave (GW) detectors. Optimal analysis of these signals relies on coherent matched-filtering which, in turn, demands accurate analytic waveforms. These templates must be efficiently computed for arbitrary parameters, precluding the use of Numerical Relativity simulations in a data analysis context. The Effective One Body (EOB) approach allows for relatively rapid construction of full waveforms which are calibrated against Numerical Relativity simulations. We will study the measurement capabilities of gravitational wave detectors using EOB waveforms as templates, building on previous studies by including
the black hole spins as parameters in the model. Due to limitations of the waveform model, this study is restricted to black hole binaries with spin-angular momentum vectors aligned with the orbital angular momentum. Nevertheless, it is an important stepping stone towards understanding the full reach of gravitational wave astronomy.

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