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Disturbances in the solar wind from IPS measurements in August 1972

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Abstract

From IPS and spacecraft measurements of the solar wind combined with geomagnetic observations, we identify the passage of three main disturbances through the solar wind from solar flares on August 2, 4 and 7. From a detailed study of the IPS data covering the third event, we conclude that the extent of the disturbance front at 1 AU covered about ±60° in longitude and more than 30° in latitude from the flare normal. If interpreted as a blast wave according to the model of De Young and Hundhausen (1971), the disturbance was ejected from the Sun into a cone of half-angle 45°±15°.

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  1. Dept. of Applied Physics and Information Science, University of California, 92037, San Diego, La Jolla, Calif., U.S.A.

    B. J. Rickett

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  1. B. J. Rickett
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Rickett, B.J. Disturbances in the solar wind from IPS measurements in August 1972. Sol Phys 43, 237–247 (1975). https://doi.org/10.1007/BF00155155

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  • DOI: https://doi.org/10.1007/BF00155155

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