Detailed comparison of LIGO and Virgo Inspiral Pipelines in Preparation for a Joint Search
F. Beauville, M.-A. Bizouard, L. Blackburn, L. Bosi, L. Brocco, D., 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. Knight, A. Lazzarini
TL;DR
This paper compares LIGO and Virgo binary neutron star detection pipelines using simulated data, highlighting the benefits of joint analysis for improved detection efficiency and source localization.
Contribution
It provides a detailed comparison of LIGO and Virgo pipelines and demonstrates the advantages of joint analysis for gravitational wave detection.
Findings
Detection efficiencies are comparable between pipelines.
Joint analysis increases detection efficiency.
Joint analysis improves source sky localization.
Abstract
Presented in this paper is a detailed and direct comparison of the LIGO and Virgo binary neutron star detection pipelines. In order to test the search programs, numerous inspiral signals were added to 24 hours of simulated detector data. The efficiencies of the different pipelines were tested, and found to be comparable. Parameter estimation routines were also tested. We demonstrate that there are definite benefits to be had if LIGO and Virgo conduct a joint coincident analysis; these advantages include increased detection efficiency and the providing of source sky location information.
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