Searching for gravitational waves from the Crab pulsar - the problem of timing noise

Pitkin, M. and Woan, Graham (2004) Searching for gravitational waves from the Crab pulsar - the problem of timing noise. Classical and Quantum Gravity, 21 (5). S843-S846. ISSN 0264-9381

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Of the current known pulsars, the Crab pulsar (B0531+21) is one of the most promising sources of gravitational waves. The relatively large timing noise of the Crab causes its phase evolution to depart from a simple spin-down model. This effect needs to be taken into account when performing time domain searches for the Crab pulsar in order to avoid severely degrading the search efficiency. The Jodrell Bank Crab pulsar ephemeris is examined to see if it can be used for tracking the phase evolution of any gravitational wave signal from the pulsar, and we present a method of heterodyning the data that takes account of the phase wander. The possibility of obtaining physical information about the pulsar from comparisons of the electromagnetically and a gravitationally observed timing noise is discussed. Finally, additional problems caused by pulsar glitches are discussed.

Item Type: Journal Article
Journal or Publication Title: Classical and Quantum Gravity
Uncontrolled Keywords: /dk/atira/pure/subjectarea/asjc/3100/3101
Departments: Faculty of Science and Technology > Physics
ID Code: 135725
Deposited By: ep_importer_pure
Deposited On: 23 Jul 2019 15:20
Refereed?: Yes
Published?: Published
Last Modified: 24 Feb 2020 03:57

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