The shape of pulsar radio beams

Details The shape of pulsar radio beams The shape of pulsar radio beams

2000-10-26

arxiv.org/abs/astro-ph/0010538v1

Mon.Not.Roy.Astron.Soc. 320 (2001) L35

Astronomy and Astrophysics

Astrophysics

5 pages, 4 figures. Accepted by MNRAS

Scientific paper

10.1046/j.1365-8711.2001.04146.x

Using all available multi-component radio pulse profiles for pulsars with medium to long periods and good polarisation data, we have constructed a two-dimensional image of the mean radio beamshape. This shows a peak near the centre of the beam but is otherwise relatively uniform with only mild enhancements in a few regions. This result supports the patchy-beam model for emission beams in which the mean beam shape represents the properties of the emission mechanism and observed pulse components result from emission sources distributed randomly across the beam.

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