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Smith et al. 1993

Smith, E.J., Neugebauer, M., Balogh, A., Bame, S.J., Erdös, G., Forsyth, R.J., Goldstein, B.E., Phillips, J.L. and Tsurutani, B.T. (1993). Disappearance of the heliospheric sector structure at Ulysses. Geophysical Research Letters 20: doi: 10.1029/93GL02632. issn: 0094-8276.

In May, 1993, the heliospheric current sheet (HCS) ceased to be seen by the Ulysses spacecraft at a heliocentric latitude of ~30¿ S and distance of 4.7 AU. The disappearance of the HCS coincided with the solar wind speed remaining >560 km/s and with the disappearance of one of four interaction regions previously seen on each solar rotation. The heliographic latitude of the disappearance of the HCS at Ulysses was 11¿ equatorward of the latitude of the magnetic neutral sheet computed at the source surface at 2.5 solar radii, and it occurred a half year earlier than predicted on the basis of the persistence of the time profile of the neutral sheet tilt from one solar cycle to the next. ¿ American Geophysical Union 1993

BACKGROUND DATA FILES

	Abstract

Keywords
Interplanetary Physics, Interplanetary magnetic fields, Interplanetary Physics, Solar wind plasma, Interplanetary Physics, Sources of the solar wind

Journal
Geophysical Research Letters
http://www.agu.org/journals/gl/

Publisher
American Geophysical Union
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