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- National Radio Astronomy ObservatoryUS344 papers
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7 papers · 2 filters
A directed search for gravitational waves from Scorpius X-1 with initial LIGO
The LIGO Scientific Collaboration, the Virgo Collaboration, J. Aasi +891
We present results of a search for continuously-emitted gravitational radiation, directed at the brightest low-mass X-ray binary, Scorpius X-1. Our semi-coherent analysis covers 10…
Advanced LIGO
The LIGO Scientific Collaboration
The Advanced LIGO gravitational wave detectors are second generation instruments designed and built for the two LIGO observatories in Hanford, WA and Livingston, LA. The two instru…
Puncture Initial Data for Black-Hole Binaries with High Spins and High Boosts
Ian Ruchlin, James Healy, Carlos O. Lousto +1
We solve the Hamiltonian and momentum constraints of general relativity for two black holes with nearly extremal spins and relativistic boosts in the puncture formalism. We use a n…
Accurate and efficient waveforms for compact binaries on eccentric orbits
E. A. Huerta, Prayush Kumar, Sean T. McWilliams +2
Compact binaries that emit gravitational waves in the sensitivity band of ground-based detectors can have non-negligible eccentricities just prior to merger, depending on the forma…
Detecting gravitational waves from highly eccentric compact binaries
Kai Sheng Tai, Sean T. McWilliams, Frans Pretorius
In dense stellar regions, highly eccentric binaries of black holes and neutron stars can form through various n-body interactions. Such a binary could emit a significant fraction o…
Decline of the current quadrupole moment during the merger phase of binary black hole coalescence
Fan Zhang
Utilizing the tools of tendex and vortex, we study the highly dynamic plunge and merger phases of several -symmetric binary black hole coalescences. In particular, we observe a…