Accession Number:

ADA305321

Title:

Analysis of N(2D) and N(2P) Emissions Observed During an Artificial Auroral Experiment.

Descriptive Note:

Scientific rept. no. 2,

Corporate Author:

SPECTRAL SCIENCES INC BURLINGTON MA

Personal Author(s):

Report Date:

1995-07-01

Pagination or Media Count:

21.0

Abstract:

The EXCEDE III rocketborne electron beam experiment was successfully launched from White Sands Missile Range on April 27, 1990. An 18 A, 2.4 keV electron beam was pulsed along the Earths magnetic field lines over an altitude range of 60 to 115 km. Measurements were made of 5200 A N2D, 3466 A N2P, as well as the 3914 A 0,0 and 5228 A 0,3 N2 first negative band emissions, between altitudes of 90 to 115 km. A detailed chemical kinetics model describing the interaction of the electron beam with the atmosphere is used to analyze the visible emission from N2D and N2P observed during the EXCEDE III artificial auroral experiment. Quantitative agreement between the model and data is obtained for the N2D column densities. The observed N2P column densities are approximately 50 greater than that predicted by the kinetic model.

Subject Categories:

  • Atmospheric Physics

Distribution Statement:

APPROVED FOR PUBLIC RELEASE