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Upper limits on gravitational wave emission from 78 radio pulsars

Upper limits on gravitational wave emission from 78 radio pulsars
Upper limits on gravitational wave emission from 78 radio pulsars
We present upper limits on the gravitational wave emission from 78 radio pulsars based on data from the third and fourth science runs of the LIGO and GEO 600 gravitational wave detectors. The data from both runs have been combined coherently to maximize sensitivity. For the first time, pulsars within binary (or multiple) systems have been included in the search by taking into account the signal modulation due to their orbits. Our upper limits are therefore the first measured for 56 of these pulsars. For the remaining 22, our results improve on previous upper limits by up to a factor of 10. For example, our tightest upper limit on the gravitational strain is 2.6×10-25 for PSR J1603-7202, and the equatorial ellipticity of PSR J2124–3358 is less than 10-6. Furthermore, our strain upper limit for the Crab pulsar is only 2.2 times greater than the fiducial spin-down limit.
1550-7998
042001-[20pp]
Abbott, B.
9d06072e-d002-47e9-a49b-d209a2c79e00
Abbott, R.
ceb7bd1e-f214-46dd-9972-a194692a86aa
Adhikari, R.
09554275-026e-4fa9-a28c-9165f58be847
Jones, D.I.
470dd157-c8be-404c-991b-bfa1e1ab4e31
LIGO Scientific Collaboration, None
545a14ec-cd8f-41e0-9287-acfe4ffaf8e8
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.
470dd157-c8be-404c-991b-bfa1e1ab4e31
LIGO Scientific Collaboration, None
545a14ec-cd8f-41e0-9287-acfe4ffaf8e8

Abbott, B., Abbott, R., Adhikari, R., Jones, D.I. and LIGO Scientific Collaboration, None , LIGO Scientific Collaboration (2007) Upper limits on gravitational wave emission from 78 radio pulsars. Physical Review D, 76 (4), 042001-[20pp]. (doi:10.1103/PhysRevD.76.042001).

Record type: Article

Abstract

We present upper limits on the gravitational wave emission from 78 radio pulsars based on data from the third and fourth science runs of the LIGO and GEO 600 gravitational wave detectors. The data from both runs have been combined coherently to maximize sensitivity. For the first time, pulsars within binary (or multiple) systems have been included in the search by taking into account the signal modulation due to their orbits. Our upper limits are therefore the first measured for 56 of these pulsars. For the remaining 22, our results improve on previous upper limits by up to a factor of 10. For example, our tightest upper limit on the gravitational strain is 2.6×10-25 for PSR J1603-7202, and the equatorial ellipticity of PSR J2124–3358 is less than 10-6. Furthermore, our strain upper limit for the Crab pulsar is only 2.2 times greater than the fiducial spin-down limit.

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Published date: 3 August 2007

Identifiers

Local EPrints ID: 48521
URI: https://eprints.soton.ac.uk/id/eprint/48521
ISSN: 1550-7998
PURE UUID: 87f88c85-8dba-4bf2-9830-baf9c4beac9d

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Date deposited: 27 Sep 2007
Last modified: 13 Mar 2019 20:56

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