Long-period variability of pulsar intensity and the shape of the interstellar-plasma inhomogeneity spectrum

Details Long-period variability of pulsar intensity and the shape of the interstellar-plasma inhomogeneity spectrum Long-period variability of pulsar intensity and the shape of the interstellar-plasma inhomogeneity spectrum

May 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987pazh...13..199s&link_type=abstract

Pis'ma v Astronomicheskii Zhurnal (ISSN 0320-0108), vol. 13, no. 3, 1987, p. 199-203. In Russian. In Russian.

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Anisotropic Media, Interstellar Matter, Periodic Variations, Pulsars, Radiant Flux Density, Spectral Energy Distribution, Computational Astrophysics, Electron Density (Concentration), Scintillation

Scientific paper

The properties of pulsar flux variations with periods of the order of a month are considered. It is shown that the dependence of the amplitude and period of these variations on the dispersion measure may be explained by the scintillations on electron density inhomogeneities with piece-wise power law spatial spectrum. For the three-dimensional spatial spectrum the power law index of the spectrum is equal to 3.5 for scales larger than α = 3×1012cm and is equal to 6 for scales less than α.

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