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Recurrency and the origin of the vertical component of the interplanetary magnetic field

✍ Scribed by M. I. Pudovkin; D. I. Ponyavin; A. D. Chertkov

Publisher
Springer
Year
1980
Tongue
English
Weight
354 KB
Volume
66
Category
Article
ISSN
0038-0938

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✦ Synopsis

The autocorrelation functions of the solar wind velocity and of the IMF components as well as of the geomagnetic activity indices are studied for two periods: August-December, 1965 and January-May, 1974. The vertical component of the IMF is shown to exhibit a rather definite recurrency relatively independent of the recurrency of the solar wind velocity.

The daily mean values of the Z-component of the IMF are shown to correlate (p = -0.5) with the intensity of the meridional component of the large scale solar magnetic field with time delay of about 5 days with respect to the latter. This result is interpreted as an evidence for the Z-component of the IMF to be carried away by the solar wind from the Sun.

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