Spatially Filtering the Binary Confusion Noise for Space Gravitational Wave Detectors

Details Spatially Filtering the Binary Confusion Noise for Space Gravitational Wave Detectors Spatially Filtering the Binary Confusion Noise for Space Gravitational Wave Detectors

2001-10-09

arxiv.org/abs/gr-qc/0110052v1

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

6 plain TEX pages, 8 postscript figures, submitted to Physical Review Letters

Scientific paper

For the last fifteen years, the limiting noise source at the low frequency end of the sensitivity window for space gravitational wave detectors has been expected to be the confusion background of overlapping galactic binary stars. Here, we present results of a study that investigates the correlation between binary star signals and conclude that there is a spatial filter in the position-dependent Doppler shift of each binary that sharply reduces the contribution of the galactic binary confusion to the noise in the detector when a monochromatic source is being detected. The sensitivity is thus determined by the instrument alone, and the confusion noise may effectively be ignored.

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