Search for gravitational waves from galactic and extra-galactic binary neutron stars

B. Abbott et al. (LIGO Scientific Collaboration)
Phys. Rev. D 72, 082001 – Published 25 October 2005

Abstract

We use 373 hours (15 days) of data from the second science run of the LIGO gravitational-wave detectors to search for signals from binary neutron star coalescences within a maximum distance of about 1.5 Mpc, a volume of space which includes the Andromeda Galaxy and other galaxies of the Local Group of galaxies. This analysis requires a signal to be found in data from detectors at the two LIGO sites, according to a set of coincidence criteria. The background (accidental coincidence rate) is determined from the data and is used to judge the significance of event candidates. No inspiral gravitational-wave events were identified in our search. Using a population model which includes the Local Group, we establish an upper limit of less than 47 inspiral events per year per Milky Way equivalent galaxy with 90% confidence for nonspinning binary neutron star systems with component masses between 1 and 3M.

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  • Received 30 May 2005

DOI:https://doi.org/10.1103/PhysRevD.72.082001

©2005 American Physical Society

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Search for gravitational waves from primordial black hole binary coalescences in the galactic halo

B. Abbott et al. (LIGO Scientific Collaboration)
Phys. Rev. D 72, 082002 (2005)

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Vol. 72, Iss. 8 — 15 October 2005

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