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The inverse problem for pulsating neutron stars: a 'fingerprint analysis' for the supranuclear equation of state

The inverse problem for pulsating neutron stars: a 'fingerprint analysis' for the supranuclear equation of state
The inverse problem for pulsating neutron stars: a 'fingerprint analysis' for the supranuclear equation of state
We study the problem of detecting, and inferring astrophysical information from, gravitational waves from a pulsating neutron star. We show that the fluid f and p modes, as well as the gravitational-wave w modes, may be detectable from sources in our own Galaxy, and investigate how accurately the frequencies and damping rates of these modes can be inferred from a noisy gravitational-wave data stream. Based on the conclusions of this discussion we propose a strategy for revealing the supranuclear equation of state using the neutron star fingerprints: the observed frequencies of an f and a p mode. We also discuss how well the source can be located in the sky using observations with several detectors.
0035-8711
307-315
Kokkotas, K.D.
7bdb71db-179a-4f68-9f5d-bd45dfea7dfc
Apostolatos, T.A.
ff047848-9b84-4fdd-ae29-d5538e3f27f2
Andersson, N.
2dd6d1ee-cefd-478a-b1ac-e6feedafe304
Kokkotas, K.D.
7bdb71db-179a-4f68-9f5d-bd45dfea7dfc
Apostolatos, T.A.
ff047848-9b84-4fdd-ae29-d5538e3f27f2
Andersson, N.
2dd6d1ee-cefd-478a-b1ac-e6feedafe304

Kokkotas, K.D., Apostolatos, T.A. and Andersson, N. (2001) The inverse problem for pulsating neutron stars: a 'fingerprint analysis' for the supranuclear equation of state. Monthly Notices of the Royal Astronomical Society, 320 (3), 307-315. (doi:10.1046/j.1365-8711.2001.03945.x).

Record type: Article

Abstract

We study the problem of detecting, and inferring astrophysical information from, gravitational waves from a pulsating neutron star. We show that the fluid f and p modes, as well as the gravitational-wave w modes, may be detectable from sources in our own Galaxy, and investigate how accurately the frequencies and damping rates of these modes can be inferred from a noisy gravitational-wave data stream. Based on the conclusions of this discussion we propose a strategy for revealing the supranuclear equation of state using the neutron star fingerprints: the observed frequencies of an f and a p mode. We also discuss how well the source can be located in the sky using observations with several detectors.

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Published date: 2001

Identifiers

Local EPrints ID: 29444
URI: http://eprints.soton.ac.uk/id/eprint/29444
ISSN: 0035-8711
PURE UUID: da1b3975-882f-4c7d-b1b5-abcbdb7349ec
ORCID for N. Andersson: ORCID iD orcid.org/0000-0001-8550-3843

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Date deposited: 12 May 2006
Last modified: 28 Apr 2022 01:43

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Contributors

Author: K.D. Kokkotas
Author: T.A. Apostolatos
Author: N. Andersson ORCID iD

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