Variations of the Calculated Cosmic-Ray Equator Over a 20-Year Interval PDF Download

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Variations of the Calculated Cosmic-Ray Equator Over a 20-Year Interval

Variations of the Calculated Cosmic-Ray Equator Over a 20-Year Interval PDF Author: M. S. Shea
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Languages : en
Pages : 7

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Book Description
The location of the cosmic-ray equator for two different epochs has been determined by calculating the vertical cutoff rigidities in the equatorial region using geomagnetic field models appropriate for 1965 and 1975. A comparison of these results with the cosmic-ray equator determined for Epoch 1955 shows that whereas no significant changes for this 20-year interval are found in the longitudes between 0 degrees and 270 degrees E, the theoretical equator has shifted slightly northward in the longitude range 280 degrees to 350 degrees E.