Event Title

S3 (Explorer 45) Proton Observations Through and Beyond the Plasmapause

Location

Yosemite National Park

Start Date

2-8-1974 1:15 PM

End Date

2-8-1974 1:45 PM

Description

Energy and pitch angle distributions will be presented for protons from 1 kev to > 300 kev as observed by the S3 (Explorer 45) satellite during the December 16, 17, 1971 period of geomagnetic activity. While the general trend is for the pitch angle distribution to become more anisotropic as the plasmapause is approached, the region outside the plasmapause is often characterized by a loss cone distribution. These data will be considered in relation to recent reports on low altitude observations of low energy protons through the loss cone. Resulting implications concerning loss processes and field line tracing will be discussed.

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Feb 8th, 1:15 PM Feb 8th, 1:45 PM

S3 (Explorer 45) Proton Observations Through and Beyond the Plasmapause

Yosemite National Park

Energy and pitch angle distributions will be presented for protons from 1 kev to > 300 kev as observed by the S3 (Explorer 45) satellite during the December 16, 17, 1971 period of geomagnetic activity. While the general trend is for the pitch angle distribution to become more anisotropic as the plasmapause is approached, the region outside the plasmapause is often characterized by a loss cone distribution. These data will be considered in relation to recent reports on low altitude observations of low energy protons through the loss cone. Resulting implications concerning loss processes and field line tracing will be discussed.