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          Institute: MPI für Gravitationsphysik     Collection: Astrophysical Relativity     Display Documents



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ID: 442870.0, MPI für Gravitationsphysik / Astrophysical Relativity
Unambiguous Determination of Gravitational Waveforms from Binary Black Hole Mergers
Authors:Reisswig, Christian; Bishop, Nigel T.; Pollney, Dennis; Szilagyi, Bela
Date of Publication (YYYY-MM-DD):2009-11-27
Title of Journal:Physical Review Letters
Volume:103
Issue / Number:22
Sequence Number of Article:221101
Review Status:not specified
Audience:Not Specified
Abstract / Description:Gravitational radiation is properly defined only at future null infinity (J+), but in practice it is estimated from data calculated at a finite radius. We have used characteristic extraction to calculate gravitational radiation at J+ for the inspiral and merger of two equal-mass nonspinning black holes. Thus we have determined the first unambiguous merger waveforms for this problem. The implementation is general purpose and can be applied to calculate the gravitational radiation, at J+, given data at a finite radius calculated in another computation.
External Publication Status:published
Document Type:Article
Communicated by:Bernhard F. Schutz
Affiliations:MPI für Gravitationsphysik/Astrophysical Relativity
Identifiers:ISI:000272182000011 [ID No:1]
ISSN:0031-9007 [ID No:2]
DOI:10.1103/PhysRevLett.103.221101
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