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Mapping the nano-Hertz gravitational wave sky · Around

2014

Mapping the nano-Hertz gravitational wave sky

Cornish, Neil J., van Haasteren, Rutger

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We describe a new method for extracting gravitational wave signals from pulsar timing data.

We show that any gravitational wave signal can be decomposed into an orthogonal set of sky maps, with the number of maps equal to the number of pulsars in the timing array.
These maps may be used as a basis to construct gravitational wave templates for any type of source, including collections of point sources.
A variant of the standard Hellings-Downs correlation analysis is recovered for statistically isotropic signals.

Built on

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R. w. Hellings and G. s. Downs, Astrophys. J. 265
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Then

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2013
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