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Limits on gravitational-wave emission from selected pulsars using LIGO data

Limits on gravitational-wave emission from selected pulsars using LIGO data
Limits on gravitational-wave emission from selected pulsars using LIGO data
We place direct upper limits on the amplitude of gravitational waves from 28 isolated radio pulsars by a coherent multidetector analysis of the data collected during the second science run of the LIGO interferometric detectors. These are the first direct upper limits for 26 of the 28 pulsars. We use coordinated radio observations for the first time to build radio-guided phase templates for the expected gravitational-wave signals. The unprecedented sensitivity of the detectors allows us to set strain upper limits as low as a few times 10^(-24). These strain limits translate into limits on the equatorial ellipticities of the pulsars, which are smaller than 10^(-5) for the four closest pulsars.
0031-9007
1-6
Abbott, B.
9d06072e-d002-47e9-a49b-d209a2c79e00
Abbott, R.
ceb7bd1e-f214-46dd-9972-a194692a86aa
Adhikari, R.
09554275-026e-4fa9-a28c-9165f58be847
Jones, D.I.
b8f3e32c-d537-445a-a1e4-7436f472e160
LIGO Scientific Collaboration
Abbott, B.
9d06072e-d002-47e9-a49b-d209a2c79e00
Abbott, R.
ceb7bd1e-f214-46dd-9972-a194692a86aa
Adhikari, R.
09554275-026e-4fa9-a28c-9165f58be847
Jones, D.I.
b8f3e32c-d537-445a-a1e4-7436f472e160

Abbott, B., Abbott, R., Adhikari, R. and Jones, D.I. , LIGO Scientific Collaboration (2005) Limits on gravitational-wave emission from selected pulsars using LIGO data. Physical Review Letters, 94 (18), 1-6. (doi:10.1103/PhysRevLett.94.181103).

Record type: Article

Abstract

We place direct upper limits on the amplitude of gravitational waves from 28 isolated radio pulsars by a coherent multidetector analysis of the data collected during the second science run of the LIGO interferometric detectors. These are the first direct upper limits for 26 of the 28 pulsars. We use coordinated radio observations for the first time to build radio-guided phase templates for the expected gravitational-wave signals. The unprecedented sensitivity of the detectors allows us to set strain upper limits as low as a few times 10^(-24). These strain limits translate into limits on the equatorial ellipticities of the pulsars, which are smaller than 10^(-5) for the four closest pulsars.

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Published date: 12 May 2005

Identifiers

Local EPrints ID: 29279
URI: https://eprints.soton.ac.uk/id/eprint/29279
ISSN: 0031-9007
PURE UUID: f02252ba-787e-4c32-be41-4f150368d8f6

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Date deposited: 11 May 2006
Last modified: 08 Aug 2017 16:32

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Contributors

Author: B. Abbott
Author: R. Abbott
Author: R. Adhikari
Author: D.I. Jones

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