Bayesian detection of unmodeled bursts of gravitational waves

被引：31

作者：

Searle, Antony C. ^{[1
]}

Sutton, Patrick J. ^{[2
]}

Tinto, Massimo ^{[3
]}

机构：

[1] CALTECH, LIGO, Pasadena, CA 91125 USA

[2] Cardiff Univ, Sch Phys & Astron, Cardiff CF24 3AA, S Glam, Wales

[3] CALTECH, Jet Prop Lab, Pasadena, CA 91109 USA

来源：

CLASSICAL AND QUANTUM GRAVITY | 2009年 / 26卷 / 15期

基金：

美国国家科学基金会; 澳大利亚研究理事会;

关键词：

BLACK-HOLE COALESCENCES; SIGNAL-TO-NOISE; INVERSE PROBLEM; CORE-COLLAPSE; LIGO; DYNAMICS;

D O I：

10.1088/0264-9381/26/15/155017

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The data analysis problem of coherently searching for unmodeled gravitational-wave bursts in the data generated by a global network of gravitational-wave observatories has been at the center of research for almost two decades. As data from these detectors are starting to be analyzed, a renewed interest in this problem has been sparked. A Bayesian approach to the problem of coherently searching for gravitational wave bursts with a network of ground-based interferometers is presented here. We demonstrate how to systematically incorporate prior information on the burst signal and its source into the analysis. This information may range from the very minimal, such as best-guess durations, bandwidths or polarization content, to complete prior knowledge of the signal waveforms and the distribution of sources through spacetime. We show that this comprehensive Bayesian formulation contains several previously proposed detection statistics as special limiting cases, and demonstrate that it outperforms them.

引用

页数：17

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