Abbott, B., Babak, Stanislav, Balasubramanian, Ramachandran, Churches, David K., Fairhurst, Stephen  ORCID: https://orcid.org/0000-0001-8480-1961, Cokelaer, Thomas, Messaritaki, Eirini ORCID: https://orcid.org/0000-0002-9917-4160, Regimbau, Tania, Romano, Joseph David, Sathyaprakash, Bangalore Suryanarayana ORCID: https://orcid.org/0000-0003-3845-7586, Schutz, Bernard Frederick ORCID: https://orcid.org/0000-0001-9487-6983, Sutton, Patrick J ORCID: https://orcid.org/0000-0003-1614-3922 and Taylor, I.
2005.
Search for Gravitational Waves from Galactic and Extra-Galactic Binary Neutron Stars.
Physical Review D - Particles, Fields, Gravitation and Cosmology
72
(8)
, 082001.
10.1103/PhysRevD.72.082001
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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⊙.
| Item Type: | Article |
|---|---|
| Date Type: | Publication |
| Status: | Published |
| Schools: | Schools > Physics and Astronomy |
| Publisher: | American Physical Society |
| ISSN: | 0556-2821 |
| Last Modified: | 11 Oct 2023 17:44 |
| URI: | https://orca.cardiff.ac.uk/id/eprint/1546 |
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