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. (doi:10.1046/j.1365-8711.1998.01541.x).


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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.

Item Type: Article
Digital Object Identifier (DOI): doi:10.1046/j.1365-8711.1998.01541.x
ISSNs: 0035-8711 (print)
Related URLs:
Keywords: radiation mechanisms: non-thermal, stars: neutron
ePrint ID: 29420
Date :
Date Event
Date Deposited: 07 Feb 2007
Last Modified: 16 Apr 2017 22:22
Further Information:Google Scholar
URI: http://eprints.soton.ac.uk/id/eprint/29420

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