Interplanetary Scintillations. II Observations

Citations Over TimeTop 10% of 1967 papers

Abstract

Observations of interplanetary scintillations have yielded the statistical quantities needed to fix the scattering regime. The observations fit the theory rather well and show that the fluctuations fn electron density have a correlation length of 110 km. The rms density variation is given approximately by An = 0. (r = radial distance from the Sun in astronomical units) for 0.2 < r < 0.9, in the equatorial region of the corona, during September-November, 1965. The effect of angular extension of the source on the fluctuation spectrum of scintillations is discussed, and it is shown that the sources 3C 138 and 3C 273 have components with angular size 0,1 and <=0'.'02, respectively.

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