Research Catalog

The temporal evolution of a small auroral substorm as viewed from high altitudes with Dynamics Explorer 1

Title
The temporal evolution of a small auroral substorm as viewed from high altitudes with Dynamics Explorer 1 [microform] / by J.D. Craven and L.A. Frank.
Author
Craven, J. D. (John Delano)
Publication
Iowa City, Iowa : Dept. of Physics and Astronomy, University of Iowa, [1985]

Details

Additional Authors
  • Frank, Louis A.
  • United States. National Aeronautics and Space Administration.
  • University of Iowa. Department of Physics and Astronomy.
Description
i, 11, [5] p. : ill.
Summary
"A small auroral substorm is investigated with auroral imaging photometers carried on the spacecraft Dynamics Explorer 1. Initial brightening along the auroral oval and the subsequent westward and poleward motions of intense, localized emission regions are associated with auroral surges. Following substorm onset, another region of less intense emissions is observed to develop at lower latitudes and adjacent to the bright region near local midnight. This second region expands towards the east. The bright zone of auroral emissions associated with the surges is interpreted as the signature of electron acceleration along magnetic field lines threading the boundary layer of the plasma sheet in the magnetotail. The more diffuse, less intense region is identified with eastward-drifting electrons injected into the plasma sheet and ring current following substorm onset. No rapid poleward motion of the discrete aurora is detected during substorm recovery."--NTRS abstract.
Series Statement
NASA-CR ; 176064
Uniform Title
NASA contractor report ; NASA CR-176064.
Subject
  • Auroral substorms
  • Auroral substorms > Remote sensing
  • Auroras > Observations
  • Auroral irradiation
  • Auroras
  • Boundary layer plasmas
  • Dynamics Explorer 1 satellite
  • Electron acceleration
  • Imaging techniques
  • Luminosity
  • Magnetic fields
  • Photometers
  • Remote sensing
  • Ring currents
  • Storms
Note
  • "January 1985."
  • "U. of Iowa 85-1."
Bibliography (note)
  • Includes bibliographical references (p. 9).
Reproduction (note)
  • Microfiche.
Funding (note)
  • Contracts
Call Number
GPO Microfiche NAS 1.26:176064
OCLC
marcive137374430
Author
Craven, J. D. (John Delano)
Title
The temporal evolution of a small auroral substorm as viewed from high altitudes with Dynamics Explorer 1 [microform] / by J.D. Craven and L.A. Frank.
Imprint
Iowa City, Iowa : Dept. of Physics and Astronomy, University of Iowa, [1985]
Series
NASA-CR ; 176064
NASA contractor report ; NASA CR-176064.
Bibliography
Includes bibliographical references (p. 9).
Funding
Contracts NAS5-25689, NGL-16-001-002
Reproduction
Microfiche. [Washington, D.C. : National Aeronautics and Space Administration], 1985. 1 microfiche.
Added Author
Frank, Louis A.
United States. National Aeronautics and Space Administration.
University of Iowa. Department of Physics and Astronomy.
Gpo Item No.
0830-H-14 (MF)
Sudoc No.
NAS 1.26:176064
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