Volume 447, Number 1, February III 2006
|Page(s)||1 - 7|
|Published online||27 January 2006|
Gravitational wave background from magnetars
Observatoire de la Côte d'Azur, Dpt. ARTEMIS and Dpt. CASSIOPEE, BP 4229, 06304 Nice Cedex 4, France e-mail: firstname.lastname@example.org
Accepted: 27 September 2005
We investigate the gravitational wave background produced by magnetars. The statistical properties of these highly magnetized stars were derived by population synthesis methods and assumed to be also representative of extragalactic objects. The adopted ellipticity was calculated from relativistic models using equations of state and assumptions concerning the distribution of currents in the neutron star interior. The maximum amplitude occurs around 1.2 kHz, corresponding to for a type I superconducting neutron star model. The expected signal is a continuous background that could mask the cosmological contribution produced in the early stage of the Universe.
Key words: stars: neutron / stars: magnetic fields / gravitational waves
© ESO, 2006
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