Query : 2001A&A...376..381R

2001A&A...376..381R - Astronomy and Astrophysics, volume 376, 381-385 (2001/9-3)

Cosmic background of gravitational waves from rotating neutron stars.


Abstract (from CDS):

The extragalactic background of gravitational waves produced by tri-axial rotating neutron stars was calculated, under the assumption that the properties of the underlying pulsar population are the same of those of the galactic population, recently derived by Regimbau & de Freitas Pacheco (2000A&A...359..242R). For an equatorial ellipticity of ε = 10–6, the equivalent density parameter due to gravitational waves has a maximum amplitude in the range 2x10–11-3x10–9, around 0.9-1.5kHz. The main factors affecting the theoretical predictions are discussed. This background is comparable to that produced by the ``ring-down'' emission from distorted black holes. The detection possibility of this background by a future generation of gravitational antennas is also examined.

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Journal keyword(s): pulsars: general - gravitational waves - stars: neutron

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