Abstract
The insertion of NOZOMI spacecraft into interplanetary space, where other spacecraft were operating, added a new array of multipoint observation that extended up to 1.6×10 6 km in y-direction of the GSE coordinate system. The coherency length of planar magnetic structures has been found to be less than 1.9×10 6 km in a direction tangential to the discontinuity surface. The region of low coherency seemed to coincide with region of high density plasma. An interplanetary magnetic flux rope which appeared on October 19, 1998, was identical over a distance of 1.9×10 6 km, while in a high-beta sheath preceding it, the magnetic field appeared differently at separate spacecraft.
Published Version
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