Frequency-dependent dispersion measures and implications for pulsar timing

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Frequency-dependent dispersion measures and implications for pulsar timing

The dispersion measure (DM), the column density of free electrons to a pulsar, is shown to be frequency dependent because of multipath scattering from small-scale electron-density fluctuations. DMs vary between propagation paths whose transverse extent varies strongly with frequency, yielding arriva...

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Bibliographic Details
Main Authors:	Cordes, J., Shannon, Ryan, Stinebring, D.
Format:	Journal Article
Published:	Institute of Physics Publishing 2016
Online Access:	http://hdl.handle.net/20.500.11937/48339

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