Journal Article

An interference removal technique for radio pulsar searches

R. P. Eatough, E. F. Keane and A. G. Lyne

in Monthly Notices of the Royal Astronomical Society

Published on behalf of The Royal Astronomical Society

Volume 395, issue 1, pages 410-415
Published in print May 2009 | ISSN: 0035-8711
Published online April 2009 | e-ISSN: 1365-2966 | DOI: http://dx.doi.org/10.1111/j.1365-2966.2009.14524.x
An interference removal technique for radio pulsar searches

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Searches for radio pulsars are becoming increasingly difficult because of a rise in impulsive man-made terrestrial radio-frequency interference. Here, we present a new technique, zero dispersion measure filtering, which can significantly reduce the effects of such signals in pulsar search data. The technique has already been applied to a small portion of the data from the Parkes multi-beam pulsar survey, resulting in the discovery of four new pulsars, so illustrating its efficacy.

Keywords: methods: data analysis; stars: neutron; pulsars: general

Journal Article.  3778 words.  Illustrated.

Subjects: Astronomy and Astrophysics

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