| Issue |
A&A
Volume 447, Number 1, February III 2006
|
|
|---|---|---|
| Page(s) | 1 - 7 | |
| Section | Astrophysical processes | |
| DOI | https://doi.org/10.1051/0004-6361:20053702 | |
| 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: regimbau@obs-nice.fr
Received:
27
June
2005
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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