Relativistic spin precession in the double pulsar

Breton, Rene P., Kaspi, Victoria M., Kramer, Michael, McLaughlin, Maura A., Lyutikov, Maxim, Ransom, Scott M., Stairs, Ingrid H., Ferdman, Robert D. ORCID: https://orcid.org/0000-0002-2223-1235, Camilo, Fernando and Possenti, Andrea (2008) Relativistic spin precession in the double pulsar. Science, 321 (5885). pp. 104-107. ISSN 0036-8075

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Abstract

The double pulsar PSR J0737–3039A/B consists of two neutron stars in a highly relativistic orbit that displays a roughly 30-second eclipse when pulsar A passes behind pulsar B. Describing this eclipse of pulsar A as due to absorption occurring in the magnetosphere of pulsar B, we successfully used a simple geometric model to characterize the observed changing eclipse morphology and to measure the relativistic precession of pulsar B's spin axis around the total orbital angular momentum. This provides a test of general relativity and alternative theories of gravity in the strong-field regime. Our measured relativistic spin precession rate of Embedded Image per year (68% confidence level) is consistent with that predicted by general relativity within an uncertainty of 13%.

Item Type:	Article
Depositing User:	LivePure Connector
Date Deposited:	12 Jul 2018 14:31
Last Modified:	13 Jul 2023 10:30
URI:	https://ueaeprints.uea.ac.uk/id/eprint/67603
DOI:	10.1126/science.1159295

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