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Pulsation modes for increasingly relativistic polytropes

Andersson, Nils and Kokkotas, Kostas D. (1998) Pulsation modes for increasingly relativistic polytropes Monthly Notices of the Royal Astronomical Society, 297, (2), pp. 493-496.

Record type: Article


We present the results of a numerical study of the fluid f, p and the gravitational w modes for increasingly relativistic non-rotating polytropes. The results for f and w modes are in good agreement with previous data for uniform density stars, which supports an understanding of the nature of the gravitational wave modes based on the uniform density data. We show that the p modes can become extremely long-lived for some relativistic stars. This effect is attributed to the change in the perturbed density distribution as the star becomes more compact.

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Published date: 1998
Keywords: radiation mechanisms: non-thermal, stars: neutron


Local EPrints ID: 29420
ISSN: 0035-8711
PURE UUID: 6f0c062f-e043-4100-866e-adfb7e6cf012

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Date deposited: 07 Feb 2007
Last modified: 09 Oct 2017 06:36

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Author: Nils Andersson
Author: Kostas D. Kokkotas

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