Evolution of the heliospheric plasma sheet observed in situ by 3 spacecraft over 4 solar rotations

Details Evolution of the heliospheric plasma sheet observed in situ by 3 spacecraft over 4 solar rotations Evolution of the heliospheric plasma sheet observed in situ by 3 spacecraft over 4 solar rotations

Dec 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010agufmsh41a1777s&link_type=abstract

American Geophysical Union, Fall Meeting 2010, abstract #SH41A-1777

Physics

Plasma Physics

[2101] Interplanetary Physics / Coronal Mass Ejections, [2164] Interplanetary Physics / Solar Wind Plasma, [7800] Space Plasma Physics

Scientific paper

We present in situ observations of the heliospheric plasma sheet (HPS) from 3 observatories (STEREO-A, STEREO-B, and WIND) over 4 solar rotations: Carrington rotations (CR) 2054 through 2057. At least one interplanetary coronal mass ejection (ICME) occurred during CR 2056, which leads to reorganization of the HPS from its previous quasi-stationary structure. The HPS crossings were identified using criteria including reversal of the interplanetary magnetic field, increased proton density, and local minima in proton entropy and in the alpha to proton density ratio. We also find an enhancement of the average iron charge state at the HPS.

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