HR: 0800h
AN: SH31A-1160    [Abstracts]
TI: Properties of the Heliospheric Current and Plasma Sheets at 5 AU: Ulysses Observations
AU: * Zhou, X
EM: xiaoyan.zhou@jpl.nasa.gov
AF: Jet Propulsion Laboratory, 4800 Oak Grove Drive, Pasadena, CA 91109 United States
AU: Smith, E J
EM: Edward.J.Smith@jpl.nasa.gov
AF: Jet Propulsion Laboratory, 4800 Oak Grove Drive, Pasadena, CA 91109 United States
AU: Winterhalter, D
EM: Daniel.Winterhalter@jpl.nasa.gov
AF: Jet Propulsion Laboratory, 4800 Oak Grove Drive, Pasadena, CA 91109 United States
AU: McComas, D J
EM: DMcComas@swri.edu
AF: Southwest Research Institute, PO Drawer 28510, San Antonio, TX 78228 United States
AU: Skoug, R M
EM: rskoug@lanl.gov
AF: Los Alamos National Laboratory, Bikini Atoll Rd., SM 30, Los Alamos, NM 87545 United States
AU: Goldstein, B E
EM: Bruce.Goldstein@jpl.nasa.gov
AF: Jet Propulsion Laboratory, 4800 Oak Grove Drive, Pasadena, CA 91109 United States
AB: Several studies have addressed the properties of the Heliospheric Current Sheet (HCS) and the surrounding Heliospheric Plasma Sheet (HPS) at or near 1AU. Statistics are available regarding the thickness of both, the orientation of the current sheet, etc. The structure of the current sheet, i.e., how the field changes from one side to the other, and the location of the current sheet within the plasma sheet have also been examined. Recent studies have explored the relation between the current sheet and the solar wind electron heat flux. The latter has been used to define the "sector boundary" and on occasion the location has been found to differ from the HCS, a surprising result. No such analyses have been carried out previously at larger heliospheric distances. We have identified HCS crossings in Ulysses data during the recent Jupiter Distant Encounter between November 2003 and March 2004. We studied the same properties of the HCS/HPS near 5 AU as the earlier analyses. A comprehensive set of data near these structures, consisting of the magnetic field, solar wind and heat flux measurements, was analyzed with the results to be presented.
DE: 2102 Corotating streams
DE: 2114 Energetic particles, heliospheric (7514)
DE: 2134 Interplanetary magnetic fields
DE: 2164 Solar wind plasma
SC: SPA-Solar and Heliospheric Physics [SH]
MN: 2004 AGU Fall Meeting