Improved Hough search for gravitational wave pulsars

Details Improved Hough search for gravitational wave pulsars Improved Hough search for gravitational wave pulsars

2006-01-19

arxiv.org/abs/gr-qc/0601081v1

J.Phys.Conf.Ser. 32 (2006) 206-211

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

6 pages, Accepted in Journal of Physics: Conference Series

Scientific paper

10.1088/1742-6596/32/1/031

We describe an improved version of the Hough transform search for continuous gravitational waves from isolated neutron stars assuming the input to be short segments of Fourier transformed data. The method presented here takes into account possible non-stationarities of the detector noise and the amplitude modulation due to the motion of the detector. These two effects are taken into account for the first stage only, i.e. the peak selection, to create the time-frequency map of our data, while the Hough transform itself is performed in the standard way.

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