An Interference Removal Technique for Radio Pulsar Searches

Details An Interference Removal Technique for Radio Pulsar Searches An Interference Removal Technique for Radio Pulsar Searches

2009-01-26

arxiv.org/abs/0901.3993v1

Astronomy and Astrophysics

Astrophysics

Galaxy Astrophysics

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

Scientific paper

10.1111/j.1365-2966.2009.14524.x

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.

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