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Genesis interplanetary field orientation proxy

Published by GSFC | National Aeronautics and Space Administration | Catalog Last Checked: September 09, 2026 at 12:19 AM | Dataset Last Updated: September 08, 2026
The vector direction of peak suprathermal electron flux as measured with the Genesis Electron Monitor (GEM) instrument. This direction serves as a proxy for the interplanetary field orientation. The suprathermal electron flux is either parallel or anti-parallel to the interplanetary magnetic field. The true field polarity (+ or -) cannot be determined from GEM. Angles are given in Geocentric Solar Ecliptic (GSE) coordinates.

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