Abstract
The gravitational-wave sky is expected tohave isolated bright sources superimposedon a diffuse gravitational-wavebackground. The background radiation hastwo components: a confusion limitedbackground from unresolved astrophysicalsources; and a cosmological componentformed during the birth of the universe. Amap of the gravitational-wave backgroundcan be made by sweeping agravitational-wave detector across thesky. The detector output is a complicatedconvolution of the sky luminositydistribution, the detector responsefunction and the scan pattern. Here westudy the general deconvolution problem,and show how LIGO (laser interferometricgravitational observatory) and LISA (laserinterferometer space antenna) can be usedto detect anisotropies in thegravitational-wave background.
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