Broad-band gravitational-wave pulses from binary neutron stars in eccentric orbits
A. V. Gusev, V. B. Ignatiev, A. G. Kuranov, K. A. Postnov, M. E. Prokhorov
Abstract
Maximum gravitational wave emission from binary stars in eccentric orbits occurs near the periastron passage. We show that for a stationary distribution of binary neutron stars in the Galaxy, several high-eccentricity systems with orbital periods in the range from tens of minutes to several days should exist that emit broad gravitational-wave pulses in the frequency range 1-100 mHz. The space interferometer LISA could register the pulsed signal from these system at a signal-to-noise ratio level S/N>55 in the frequency range 10-3-10-1 Hz during one-year observational time. Some detection algorithms for such a signal are discussed.
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