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arxiv: 1806.01625 · v1 · pith:TKIKULKGnew · submitted 2018-06-05 · 🌀 gr-qc · astro-ph.HE

CoRe database of binary neutron star merger waveforms and its application in waveform development

Tim Dietrich , David Radice , Sebastiano Bernuzzi , Francesco Zappa , Albino Perego , Bernd Brueugmann , Swami Vivekanandji Chaurasia , Reetika Dudi
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Wolfgang Tichy Maximiliano Ujevic
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classification 🌀 gr-qc astro-ph.HE
keywords waveformsbinarydatabasecoregravitational-waveinitialneutronnumerical
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We present the Computational Relativity CoRe collaboration's public database of gravitational waveforms from binary neutron star mergers. The database currently contains 367 waveforms from numerical simulations that are consistent with general relativity and that employ constraint satisfying initial data in hydrodynamical equilibrium. It spans 164 physically distinct configuration with different binary parameters (total binary mass, mass-ratio, initial separation, eccentricity, and stars' spins) and simulated physics. Waveforms computed at multiple grid resolutions and extraction radii are provided for controlling numerical uncertainties. We also release an exemplary set of 18 hybrid waveforms constructed with a state-of-art effective-one-body model spanning the frequency band of advanced gravitational-wave detectors. We outline present and future applications of the database to gravitational-wave astronomy.

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