Event Title

Rocket Observations of Auroral Substorm Electric Fields and Electron Fluxes

Location

Yosemite National Park

Start Date

2-7-1974 11:00 AM

End Date

2-7-1974 11:15 AM

Description

Observations of electric fields and low energy electrons inside auroral arcs have been made on two rocket flights. In both cases the electric field increased at times to greater than 60 m V / m within the arc. The equatorward component of the field showed the greatest increase. On one flight the field reversed direction near the equatorward boundary of the arc. Electron detectors on the same rocket observed fluxes within this arc of 5 x 109 (cm^ ster. sec)"1 for E > 10 eV. Equatorward of the arc the net flux of electrons w a s occasionally out of the atmosphere with the dominant flux at energies below 25 eV.

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Feb 7th, 11:00 AM Feb 7th, 11:15 AM

Rocket Observations of Auroral Substorm Electric Fields and Electron Fluxes

Yosemite National Park

Observations of electric fields and low energy electrons inside auroral arcs have been made on two rocket flights. In both cases the electric field increased at times to greater than 60 m V / m within the arc. The equatorward component of the field showed the greatest increase. On one flight the field reversed direction near the equatorward boundary of the arc. Electron detectors on the same rocket observed fluxes within this arc of 5 x 109 (cm^ ster. sec)"1 for E > 10 eV. Equatorward of the arc the net flux of electrons w a s occasionally out of the atmosphere with the dominant flux at energies below 25 eV.