Magnetic dips in the solar wind

Details Magnetic dips in the solar wind Magnetic dips in the solar wind

May 1979

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979soph...62..203d&link_type=abstract

Solar Physics, vol. 62, May 1979, p. 203-220.

Physics

Discontinuity, Interplanetary Magnetic Fields, Magnetic Flux, Magnetic Probes, Solar Wind, Current Sheets, Eigenvalues, Geomagnetism, Graphs (Charts), Helios 1, Plasma Dynamics, Plasmas (Physics), Tearing

Scientific paper

Using magnetic data from the Helios-1 fluxgate magnetometer, with a 0.2 s resolution, we have investigated the structure of several interplanetary discontinuities involving magnetic dips and rotations of the magnetic field vector. A minimum variance analysis illustrates the behaviour of the magnetic field through the transition. Using this analysis, quite different structures have been isolated and, in particular, narrow transitions resembling almost one dimensional reconnected neutral sheets. For the thinner cases (scale lengths of the magnetic rotation of the order or smaller than 1000 km), we find that the observed structures can be the nonlinear effect of a resistive tearing mode instability having developed on an originally one dimensional neutral sheet at the solar corona.

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