Physics
Scientific paper
Nov 2005
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005phdt.........5c&link_type=abstract
Ph.D dissertation, 2005. 185 pages; United States -- Michigan: University of Michigan; 2005. Publication Number: AAT 3186594. D
Physics
Gravitational Radiation, Ligo, Gravity Waves, Frequency Modulation, Noise Spectrum
Scientific paper
An overview of the Laser Interferometric Gravitational-Wave Observatory (LIGO) project is presented. The operating principles of the instrument are discussed. Our contributions to the data acquisition and the analysis pipelines are described. They include a data monitoring software package, and a program that displays the real-time state of the interferometer in the control room.
LIGO has carried out four scientific data runs. We present the results from early exploration of the resulting data pertinent to a search for continuous- wave gravitational radiation sources. We discuss the constraints which amplitude and frequency modulation of the gravitational wave impose on our search algorithm. Early assumptions regarding Gaussianity and stationarity of the noise spectrum are tested. A strain sensitivity is derived, taking these effects into account.
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