Coincidence analysis to search for inspiraling compact binaries using TAMA300 and LISM data

Abstract

Japanese laser interferometric gravitational wave detectors, TAMA300 and LISM, performed a coincident observation during 2001. We perform a coincidence analysis to search for inspiraling compact binaries. The length of data used for the coincidence analysis is 275 hours when both TAMA300 and LISM detectors are operated simultaneously. TAMA300 and LISM data are analyzed by matched filtering, and candidates for gravitational wave events are obtained. If there is a true gravitational wave signal, it should appear in both data of detectors with consistent waveforms characterized by masses of stars, amplitude of the signal, the coalescence time and so on. We introduce a set of coincidence conditions of the parameters, and search for coincident events. This procedure reduces the number of fake events considerably, by a factor $\sim 10^{-4}$ compared with the number of fake events in single detector analysis. We find that the number of events after imposing the coincidence conditions is consistent with the number of accidental coincidences produced purely by noise. We thus find no evidence of gravitational wave signals. We obtain an upper limit of 0.046 /hours (CL $=90$) to the Galactic event rate within 1kpc from the Earth. The method used in this paper can be applied straightforwardly to the case of coincidence observations with more than two detectors with arbitrary arm directions.

arXiv comment28 pages, 17 figures, Replaced with the version to be published in Physical Review D

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Cited by in corpus (12)

• A geometric algorithm for efficient coincident detection of gravitational waves
• Joint LIGO and TAMA300 Search for Gravitational Waves from Inspiralling Neutron Star Binaries
• Observation results by the TAMA300 detector on gravitational wave bursts from stellar-core collapses
• On Detection of Black Hole Quasi-Normal Ringdowns: Detection Efficiency and Waveform Parameter Determination in Matched Filtering
• Detecting gravitational waves from inspiraling binaries with a network of detectors : coherent versus coincident strategies
• Signal based vetoes for the detection of gravitational waves from inspiralling compact binaries
• Results of the search for inspiraling compact star binaries from TAMA300's observation in 2000-2004
• Parameter space metric for 3.5 post-Newtonian gravitational-waves from compact binary inspirals
• The balancing act of template bank construction: inspiral waveform template banks for gravitational-wave detectors and optimizations at fixed computational cost
• Detecting gravitational waves from inspiraling binaries with a network of geographically separated detectors: coherent versus coincident strategies
• Status of the joint LIGO--TAMA300 inspiral analysis
• Searches for Gravitational Waves from Binary Neutron Stars: A Review