I couldn’t find anyone that had combined the gravitational wave chirp observed by LIGO with the simulated visualisation of the putative black hole merger by SXS, so I decided to give it a try myself. Consider it to be illustrative, rather than rigorous.
In the first run-through, the LIGO gravitational wave observation from 2015 Sept 14 (audio chirp) is speed and pitch adjusted to match the SXS visualisation. Mergers 2-5 adjust the SXS simulation to match the chirp, alternating between native and pitch-adjusted frequency to cater to human hearing.
Abbott, B. P. et al. Observation of Gravitational Waves from a Binary Black Hole Merger. Phys. Rev. Lett. 116, 61102 (2016). https://journals.aps.org/prl/abstract/10.1103/PhysRevLett.116.061102
Visualisation modified from Simulating eXtreme Spacetimes (SXS) Project http://www.black-holes.org
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