Temporal and Spatial Structure of Short Wavelength Infrared Auroral Backgrounds.

Abstract

Infrared auroral backgrounds in the 3 micron region were measured with a filtered radiometer from a KC-135 aircraft. The measurements of temporal and spatial variations in the infrared were compared with simultaneous measurements of 3914A and 5577A visible radiation. Auroral measurements were obtained during dark and sunlit conditions. Frequency analysis shows the 3 micron and 5577A to be delayed and filtered relative to the prompt 3914A N2(+) emission. The ratio of 3 micron to 3914A emission varies by about a factor of 3 and appears to be a function of peak electron deposition altitude. (Author)

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Document Details

Document Type
Technical Report
Publication Date
Oct 13, 1981
Accession Number
ADA112274

Entities

People

  • Dennis Villanucci
  • E. Ray Huppi
  • Marshall Bruce

Organizations

  • Air Force Research Laboratory

Tags

Communities of Interest

  • Advanced Electronics
  • Air Platforms
  • Energy and Power Technologies
  • Sensors

DTIC Thesaurus Topics

  • Air Force
  • Aircrafts
  • Altitude
  • Charged Particles
  • Data Reduction
  • Electrons
  • Frequency
  • Inertial Navigation
  • Instrumentation
  • Low Light Levels
  • Measurement
  • Measuring Instruments
  • Optical Instruments
  • Optics
  • Radiation
  • Radiometers
  • Two Dimensional

Readers

  • Space/Atmospheric Physics.
  • Spectroscopy.

Technology Areas

  • Microelectronics