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Lense-thirring precession of radio pulsars

Blandford, R. D. (1995) Lense-thirring precession of radio pulsars. Journal of Astrophysics and Astronomy, 16 (2). pp. 191-206. ISSN 0250-6335. doi:10.1007/bf02714834.

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It is shown that if neutron stars contain dynamically de-coupled components, most plausibly discrete superfluid zones, then it is possible for the spin axes of these components o become slightly misaligned with respect to the crustal spin following a series of glitches. The crust will then undergo Lense-Thirring precession about the total angular moment with a period of ∼ 6–7.5P (assuming a crustal superfluid) and ∼ 3–6P (if the core superfluid is not tightly coupled to the crust). The precise precessional period is diagnostic of the mass distribution within each component. The implications of recent observational inferences concerning glitching pulsars are discussed. The conditions necessary for precession to be observable are analysed phenomenologically and a search of pulse-timing data for evidence of a Lense-Thirring modulation within the period range ∼ 3–8P is proposed.

Item Type:Article
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Blandford, R. D.0000-0002-1854-5506
Additional Information:© 1995 Indian Academy of Sciences.
Subject Keywords:Torque; Vorticity; Neutron Star; Vortex Line; Radio Pulsar
Issue or Number:2
Record Number:CaltechAUTHORS:20190528-111838149
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Official Citation:Blandford, R.D. J Astrophys Astron (1995) 16: 191.
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:95816
Deposited By: Tony Diaz
Deposited On:28 May 2019 20:04
Last Modified:16 Nov 2021 17:15

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