Please use this identifier to cite or link to this item:
https://hdl.handle.net/2440/46005
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dc.contributor.author | Abbott, B. | - |
dc.contributor.author | Abbott, R. | - |
dc.contributor.author | Adhikari, R. | - |
dc.contributor.author | Agresti, J. | - |
dc.contributor.author | Ajith, P. | - |
dc.contributor.author | Allen, B. | - |
dc.contributor.author | Amin, R. | - |
dc.contributor.author | Anderson, S. | - |
dc.contributor.author | Anderson, W. | - |
dc.contributor.author | Arain, M. | - |
dc.contributor.author | Araya, M. | - |
dc.contributor.author | Armandula, H. | - |
dc.contributor.author | Ashley, M. | - |
dc.contributor.author | Aston, S. | - |
dc.contributor.author | Aufmuth, P. | - |
dc.contributor.author | Aulbert, C. | - |
dc.contributor.author | Babak, S. | - |
dc.contributor.author | Ballmer, S. | - |
dc.contributor.author | Bantilan, H. | - |
dc.contributor.author | Barish, B. | - |
dc.contributor.author | et al. | - |
dc.date.issued | 2007 | - |
dc.identifier.citation | Physical Review D: Particles, Fields, Gravitation and Cosmology, 2007; 76(8):082003-1-082003-11 | - |
dc.identifier.issn | 1550-7998 | - |
dc.identifier.issn | 1550-2368 | - |
dc.identifier.uri | http://hdl.handle.net/2440/46005 | - |
dc.description.abstract | We searched for an anisotropic background of gravitational waves using data from the LIGO S4 science run and a method that is optimized for point sources. This is appropriate if, for example, the gravitational wave background is dominated by a small number of distinct astrophysical sources. No signal was seen. Upper limit maps were produced assuming two different power laws for the source strain power spectrum. For an f^-3 power law and using the 50 Hz to 1.8 kHz band the upper limits on the source strain power spectrum vary between 1.2e-48 Hz^-1 (100 Hz/f)^3 and 1.2e-47 Hz^-1 (100 Hz /f)^3, depending on the position in the sky. Similarly, in the case of constant strain power spectrum, the upper limits vary between 8.5e-49 Hz^-1 and 6.1e-48 Hz^-1. As a side product a limit on an isotropic background of gravitational waves was also obtained. All limits are at the 90% confidence level. Finally, as an application, we focused on the direction of Sco-X1, the closest low-mass X-ray binary. We compare the upper limit on strain amplitude obtained by this method to expectations based on the X-ray luminosity of Sco-X1. | - |
dc.description.statementofresponsibility | B. Abbott... A. Brooks... D. Hosken... D. Mudge... J. Munch... P. Veitch...et al. (LIGO Scientific Collaboration) | - |
dc.language.iso | en | - |
dc.publisher | American Physical Soc | - |
dc.rights | ©2007 American Physical Society | - |
dc.source.uri | http://dx.doi.org/10.1103/physrevd.76.082003 | - |
dc.title | Upper limit map of a background of gravitational waves | - |
dc.type | Journal article | - |
dc.identifier.doi | 10.1103/PhysRevD.76.082003 | - |
pubs.publication-status | Published | - |
dc.identifier.orcid | Ottaway, D. [0000-0001-6794-1591] | - |
dc.identifier.orcid | Veitch, P. [0000-0002-2597-435X] | - |
Appears in Collections: | Aurora harvest Chemistry and Physics publications Environment Institute publications |
Files in This Item:
File | Description | Size | Format | |
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hdl_46005.pdf | Published version | 1.45 MB | Adobe PDF | View/Open |
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