When is Enough Good Enough in Gravitational Wave Source Modeling?

Details When is Enough Good Enough in Gravitational Wave Source Modeling? When is Enough Good Enough in Gravitational Wave Source Modeling?

2006-08-28

arxiv.org/abs/gr-qc/0608114v1

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

7 pages, 2 figures, proceedings paper for the Sixth International LISA Symposium

Scientific paper

10.1063/1.2405106

A typical approach to developing an analysis algorithm for analyzing gravitational wave data is to assume a particular waveform and use its characteristics to formulate a detection criteria. Once a detection has been made, the algorithm uses those same characteristics to tease out parameter estimates from a given data set. While an obvious starting point, such an approach is initiated by assuming a single, correct model for the waveform regardless of the signal strength, observation length, noise, etc. This paper introduces the method of Bayesian model selection as a way to select the most plausible waveform model from a set of models given the data and prior information. The discussion is done in the scientific context for the proposed Laser Interferometer Space Antenna.

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