Interplanetary scintillation |
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Authors: | William A Coles |
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Institution: | (1) University of California, 92093 San Diego, La Jolla, California, USA |
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Abstract: | The use of interplanetary scintillations for probing otherwise inaccessible regions of the solar wind is reviewed. A comparison with space-craft observations in the ecliptic is used as a calibration for the scintillation observations. Recent observations at high latitudes and near the Sun are discussed from this viewpoint. A new analysis which uses both scintillation and angular scattering observations to estimate the electron density spectrum is introduced. The spectrum appears to have a high frequency cutoff which varies slowly with solar distances and may also have a relatively flat region just below the cutoff frequency. |
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