AAS 199th meeting, Washington, DC, January 2002
Session 114. HEAD II: Gravitational Wave and High Energy Astrophysics
Special Session Oral, Wednesday, January 9, 2002, 2:00-3:30pm, International Ballroom Center

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[114.03] Gravitational Waves from Binary Black Hole Coalescence

J. G. Baker (NASA-GSFC)

Binary black hole coalescence is expected to be a major source of gravitational radiation. Ground-based detectors will be sensitive to stellar black hole systems, while the space-based detector LISA may observe the coalescence of massive black holes up to M ~107 Msun. In all cases, predicting the resulting waveforms requires 3-D simulations of the full Einstein equations.

We report on the first gravitational radiation waveform calculations based on astrophysically plausible initial data. These are carried out using a new technique that combines the full numerical approach to solve the Einstein equations in the truly non-linear regime, with linearized perturbation theory around the final distorted single black hole at later times. Starting with non-spinning binary black holes from near the innermost stable circular orbit, we find that about 3% of the system's total mass-energy is suddenly converted to gravitational waves.

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The author(s) of this abstract have provided an email address for comments about the abstract: jbaker@milkyway.gsfc.nasa.gov

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