Search for gravitational-wave bursts in the first year of the fifth LIGO science run

Search for gravitational-wave bursts in the first year of the fifth LIGO science run

We present the results obtained from an all-sky search for gravitational-wave (GW) bursts in the 64–2000 Hz frequency range in data collected by the LIGO detectors during the first year (November 2005—November 2006) of their fifth science run. The total analyzed live time was 268.6 days. Multiple hi...

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Bibliographic Details
Main Authors: Zucker, Michael E., Wipf, Christopher C., Weiss, Rainer, Waldman, Samuel J., Stein, Leo Chaim, Stein, Andrew J., Smith, Nicolas de Mateo, Shoemaker, David H., Shapiro, B., Sarin, P., Mittleman, Richard K., Mavalvala, Nergis, Mason, Kenneth R., Markowitz, Jared John, MacInnis, Myron E., Katsavounidis, Erotokritos, Hughey, Brennan J., Harry, Gregory, Grimaldi, F., Goda, K., Fritschel, Peter K., Foley, Stephany, Evans, Matthew J., Duke, I., Donovan, Frederick J., Corbitt, Thomas R., Cao, Junwei, Brunet, G., Bodiya, Timothy Paul, Blackburn, Lindy L., Barsotti, Lisa
Other Authors: Massachusetts Institute of Technology. Department of Physics
Format: Article
Language:en_US
Published: American Physical Society 2010
Online Access:http://hdl.handle.net/1721.1/52714
https://orcid.org/0000-0003-0219-9706
https://orcid.org/0000-0001-6550-3045
https://orcid.org/0000-0002-4147-2560
https://orcid.org/0000-0001-8459-4499
https://orcid.org/0000-0002-2544-1596
https://orcid.org/0000-0003-1983-3187
Description
Summary:We present the results obtained from an all-sky search for gravitational-wave (GW) bursts in the 64–2000 Hz frequency range in data collected by the LIGO detectors during the first year (November 2005—November 2006) of their fifth science run. The total analyzed live time was 268.6 days. Multiple hierarchical data analysis methods were invoked in this search. The overall sensitivity expressed in terms of the root-sum-square (rss) strain amplitude h[subscript rss] for gravitational-wave bursts with various morphologies was in the range of 6×10[superscript -22]  Hz[superscript -1/2] to a few×10-[superscript 21]   Hz[superscript -1/2]. No GW signals were observed and a frequentist upper limit of 3.75 events per year on the rate of strong GW bursts was placed at the 90% confidence level. As in our previous searches, we also combined this rate limit with the detection efficiency for selected waveform morphologies to obtain event rate versus strength exclusion curves. In sensitivity, these exclusion curves are the most stringent to date.

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