The Galactic Distribution of Electron Density Microstructure Inferred from Radio Scattering Observations

Author: Cordes J.

Source: Astrophysics and Space Science, Volume 278, Numbers 1-2, 2001 , pp. 11-16(6)

Publisher: Springer

Abstract:

I first review the observables and optics of interstellar seeing associated with radio wave scattering in the interstellar medium. I then describe the Galactic distribution of electron density and its fluctuations, as inferred from a number of observables, including angular and pulse broadening, diffractive scintillations, and dispersion measures. Propects for improving the Galactic model are outlined.

Keywords: interstellar medium; electron density; turbulence

Language: English

Document Type: Regular paper

Affiliations: 1: Astronomy Department, Cornell University

Publication date: 2001-01-01

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