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Astrophysical Sources of Stochastic Gravitational Radiation in the Universe | | K.A.Postnov
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5 Jun 1997 | | Subject: | astro-ph | | Abstract: | Stochastic gravitational waves (GW) associated with unresolved astrophysical sources at frequency bands of the ongoing GW interferometers LIGO/VIRGO and LISA are studied. We show that GW noise from rotating galactic neutron stars with low magnetic fields may reach the advanced LIGO sensitivity level at frequency $fsim 100$ Hz. Within LISA frequency band (10^{-4}-10^{-1} Hz), the GW background from galactic binary stars is shown to mainly contribute up to a frequency of 3.10^{-2} Hz, depending on the galactic rate of binary white dwarf mergers. To be detectable by LISA, relic GW backgrounds should be as high as Omega_{GW}h_{100}^2>10^{-8} at 10^{-2} Hz. | | Source: | arXiv, astro-ph/9706053 | | Services: | Forum | Review | PDF | Favorites | |
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