Detecting gravitational radiation from neutron stars using a six-parameter adaptive MCMC method

Details Detecting gravitational radiation from neutron stars using a six-parameter adaptive MCMC method Detecting gravitational radiation from neutron stars using a six-parameter adaptive MCMC method

2004-04-06

arxiv.org/abs/gr-qc/0404025v1

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

Submitted to Classical and Quantum Gravity for GWDAW-8 proceedings

Scientific paper

10.1063/1.1835231

We present a Markov chain Monte Carlo technique for detecting gravitational radiation from a neutron star in laser interferometer data. The algorithm can estimate up to six unknown parameters of the target, including the rotation frequency and frequency derivative, using reparametrization, delayed rejection and simulated annealing. We highlight how a simple extension of the method, distributed over multiple computer processors, will allow for a search over a narrow frequency band. The ultimate goal of this research is to search for sources at a known locations, but uncertain spin parameters, such as may be found in SN1987A.

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