Radio emission regions in pulsars |
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Authors: | Jaroslaw Kijak & Janusz Gil |
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Institution: | Astronomy Centre, Pedagogical University, Lubuska 2, PL-65-265 Zielona Góra, Poland,;Max-Planck-Institut für Radioastronomie, Auf dem Hügel 69, D-53121 Bonn, Germany |
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Abstract: | We study the concept of radius-to-frequency mapping using a geometrical method for the estimation of pulsar emission altitudes. The semi-empirical relationship proposed by Kijak &38; Gil is examined over three decades of radio frequency. It is argued that the emission region in a millisecond pulsar occupies the magnetosphere over a distance of up to about 30 per cent of the light-cylinder radius, and that in a normal pulsar occupies up to approximately 10 per cent of the light-cylinder radius. |
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Keywords: | stars: atmospheres stars: neutron pulsars: general |
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