Other
Scientific paper
Jun 1976
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1976apj...206..583w&link_type=abstract
Astrophysical Journal, vol. 206, June 1, 1976, pt. 1, p. 583-588.
Other
19
Interplanetary Magnetic Fields, Magnetic Field Configurations, Solar Corona, Correlation Coefficients, Interplanetary Medium, Oso-7, Solar Wind
Scientific paper
Evidence is presented which suggests that from 1972 May through 1973 October the interplanetary magnetic field structure at Earth orbit was correlated with the distribution of high-latitude (40-80 deg) coronal holes as observed in the wavelength of 284 for Fe XV from OSO-7. The sense of this relation is consistent with a picture of the holes being magnetically open to the interplanetary medium with 'toward' field polarity near the south polar cap and 'away' at the north. The strongest correlation is obtained for a sun-earth transit time of 2.7 days. The distributions in time of northern and southern hemisphere coronal holes were independent, implying that high-latitude solar wind flows 'buck' each other in the process of determining the resultant sector structure at 1 AU.
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