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https://hdl.handle.net/2440/106232
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dc.contributor.author | Abbott, B. | - |
dc.contributor.author | Abbott, R. | - |
dc.contributor.author | Abbott, T. | - |
dc.contributor.author | Abernathy, M. | - |
dc.contributor.author | Acernese, F. | - |
dc.contributor.author | Ackley, K. | - |
dc.contributor.author | Adams, C. | - |
dc.contributor.author | Adams, T. | - |
dc.contributor.author | Addesso, P. | - |
dc.contributor.author | Adhikari, R. | - |
dc.contributor.author | Adya, V. | - |
dc.contributor.author | Affeldt, C. | - |
dc.contributor.author | Agathos, M. | - |
dc.contributor.author | Agatsuma, K. | - |
dc.contributor.author | Aggarwal, N. | - |
dc.contributor.author | Aguiar, O. | - |
dc.contributor.author | Aiello, L. | - |
dc.contributor.author | Ain, A. | - |
dc.contributor.author | Allen, B. | - |
dc.contributor.author | Allocca, A. | - |
dc.contributor.author | et al. | - |
dc.date.issued | 2017 | - |
dc.identifier.citation | Physical Review D, 2017; 95(8):082005-1-082005-15 | - |
dc.identifier.issn | 2470-0010 | - |
dc.identifier.issn | 2470-0029 | - |
dc.identifier.uri | http://hdl.handle.net/2440/106232 | - |
dc.description.abstract | We describe a directed search for continuous gravitational waves in data from the sixth initial LIGO science run. The target was the nearby globular cluster NGC 6544 at a distance of ≈2.7 kpc. The search covered a broad band of frequencies along with first and second frequency derivatives for a fixed sky position. The search coherently integrated data from the two LIGO interferometers over a time span of 9.2 days using the matched-filtering F-statistic. We found no gravitational-wave signals and set 95% confidence upper limits as stringent as 6.0×10−25 on intrinsic strain and 8.5×10−6 on fiducial ellipticity. These values beat the indirect limits from energy conservation for stars with characteristic spin-down ages older than 300 years and are within the range of theoretical predictions for possible neutron-star ellipticities. An important feature of this search was use of a barycentric resampling algorithm which substantially reduced computational cost; this method is used extensively in searches of Advanced LIGO and Virgo detector data. | - |
dc.description.statementofresponsibility | B. P. Abbott … M. R. Abernathy … Won Kim … Jesper Munch … David J Ottaway … Peter J Veitch … et al. (LIGO Scientific Collaboration and Virgo Collaboration) | - |
dc.language.iso | en | - |
dc.publisher | American Physical Society | - |
dc.rights | © 2017 American Physical Society | - |
dc.source.uri | http://dx.doi.org/10.1103/physrevd.95.082005 | - |
dc.title | Search for continuous gravitational waves from neutron stars in globular cluster NGC 6544 | - |
dc.type | Journal article | - |
dc.identifier.doi | 10.1103/PhysRevD.95.082005 | - |
pubs.publication-status | Published | - |
dc.identifier.orcid | Kijbunchoo, N. [0000-0002-2874-1228] | - |
dc.identifier.orcid | Veitch, P. [0000-0002-2597-435X] | - |
Appears in Collections: | Aurora harvest 3 Physics publications |
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