Un-modeled search for black hole binary systems in the NINJA project

Details Un-modeled search for black hole binary systems in the NINJA project Un-modeled search for black hole binary systems in the NINJA project

2009-06-12

arxiv.org/abs/0906.2433v2

Class.Quant.Grav.26:204005,2009

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

12 pages, 9 figures Proceedings of the 13th Gravitational Wave Data Analysis Workshop San Juan, Puerto Rico, January 19-22, 20

Scientific paper

10.1088/0264-9381/26/20/204005

The gravitational wave signature from binary black hole coalescences is an important target for LIGO and VIRGO. The Numerical INJection Analysis (NINJA) project brought together the numerical relativity and gravitational wave data analysis communities, with the goal to optimize the detectability of these events. In its first instantiation, the NINJA project produced a simulated data set with numerical waveforms from binary black hole coalescences of various morphologies (spin, mass ratio, initial conditions), superimposed to Gaussian colored noise at the design sensitivity for initial LIGO and VIRGO. We analyzed this simulated data set with the Q-pipeline burst algorithm. This code, designed for the all-sky detection of gravitational wave bursts with minimal assumptions on the shape of the waveform, filters the data with a bank of sine-Gaussians, or sinusoids with Gaussian envelope. The algorithm's performance was compared to matched filtering with ring-down templates. The results are qualitatively consistent; however due to the low simulation statistics in the first NINJA project, it is premature to draw quantitative conclusions at this stage.

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