Detection Methods for Continuous Gravitational Waves using Pulsar Timing Data

Details Detection Methods for Continuous Gravitational Waves using Pulsar Timing Data Detection Methods for Continuous Gravitational Waves using Pulsar Timing Data

Jan 2012

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2012aas...21914620e&link_type=abstract

American Astronomical Society, AAS Meeting #219, #146.20

Astronomy and Astrophysics

Astronomy

Scientific paper

Gravitational Waves (GWs) are tiny ripples in the fabric of space-time predicted by Einstein's General Relativity. Pulsar timing arrays (PTAs) are well poised to detect low frequency (10-9 - 10-7 Hz) GWs in the near future. There has been a significant amount of research into the detection of a stochastic background of GWs from supermassive black hole binaries (SMBHBs). Recent work has shown that single continuous sources standing out above the background may be detectable by PTAs operating at a sensitivity sufficient to detect the stochastic background. The most likely sources of continuous GWs in the pulsar timing frequency band are extremely massive and/or nearby SMBHBs. In this poster we present detection strategies including various forms of matched filtering and power spectra addition. We will discuss the implementation of these methods into a fully functional data analysis pipeline that will be used both for detection and parameter estimation of signals in real pulsar timing data.

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