Title:

Estimating Errors from Extrapolating Finite-Radii Gravitational Wave Merger Simulations to Infinite-Radii

Gravitational wave simulations form the basis of analyzing precision observational data from gravitational wave telescopes. These simulations provide us with numerical estimates of the waveforms from the merger of massive celestial objects, primarily neutron stars and black holes. Due to the complex nature of this type of computation, the propagation of produced gravitational waves are found out to a finite radius of ~60,000km-135,000km. These finite radii from the simulations create a blockage in our ability to derive data close to what we would see in observations on Earth, which we consider to be at an “infinite” radius (arbitrarily far away from the point of merger). By performing a series of corrections to the simulated data, we were able to extrapolate the waveforms to infinity and analyze the error on the extrapolation to determine the viability of these techniques for building useful simulation waveforms close to observation.

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