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Oxford University Press (OUP), Monthly Notices of the Royal Astronomical Society, 1(395), p. 410-415

DOI: 10.1111/j.1365-2966.2009.14524.x

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An Interference Removal Technique for Radio Pulsar Searches

Journal article published in 2009 by R. P. Eatough, E. F. Keane ORCID, A. G. Lyne
This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Abstract

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-DM 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. ; Comment: Accepted for publication in Monthly Notices of the Royal Astronomical Society. 6 pages, 8 figures, and 1 table