A comparison of methods for gravitational wave burst searches from LIGO and Virgo

F. Beauville, M. A. Bizouard, L. Blackburn, L. Bosi, L. Brocco, D. A. Brown, D. Buskulic, F. Cavalier, S. Chatterji, N. Christensen, A. C. Clapson, S. Fairhurst, D. Grosjean, G. Guidi, P. Hello, S. Heng, M. Hewitson, E. Katsavounidis, S. Klimenko, M. KnightA. Lazzarini, N. Leroy, F. Marion, J. Markowitz, C. Melachrinos, B. Mours, F. Ricci, A. Viceré, I. Yakushin, M. Zanolin

Research output: Contribution to journalArticlepeer-review

14 Scopus citations


The search procedure for burst gravitational waves has been studied using 24 h of simulated data in a network of three interferometers (Hanford 4 km, Livingston 4 km and Virgo 3 km are the example interferometers). Several methods to detect burst events developed in the LIGO Scientific Collaboration (LSC) and Virgo Collaboration have been studied and compared. We have performed coincidence analysis of the triggers obtained in the different interferometers with and without simulated signals added to the data. The benefits of having multiple interferometers of similar sensitivity are demonstrated by comparing the detection performance of the joint coincidence analysis with LSC and Virgo only burst searches. Adding Virgo to the LIGO detector network can increase by 50% the detection efficiency for this search. Another advantage of a joint LIGO-Virgo network is the ability to reconstruct the source sky position. The reconstruction accuracy depends on the timing measurement accuracy of the events in each interferometer, and is displayed in this paper with a fixed source position example.

Original languageEnglish (US)
Article number045002
JournalClassical and Quantum Gravity
Issue number4
StatePublished - 2008
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)


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