DE-2 mass spectrometer observations relevant to the Shuttle glow

Details DE-2 mass spectrometer observations relevant to the Shuttle glow DE-2 mass spectrometer observations relevant to the Shuttle glow

Feb 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986georl..13..109e&link_type=abstract

Geophysical Research Letters (ISSN 0094-8276), vol. 13, Feb. 1986, p. 109-112. NSF-Navy-supported research.

Physics

7

Airglow, Dynamics Explorer 2 Satellite, Mass Spectroscopy, Space Shuttle Orbiters, Spacecraft Glow, Metal Surfaces, Nitric Oxide, Nitrogen Dioxide, Surface Reactions, Temperature Effects

Scientific paper

A comparison of satellite mass spectrometer data from Dynamics Explorer-2 and Atmosphere Explorer-C and -D provides new evidence supporting the hypothesis that NO2 is the source of the observed continuum glow near ram-facing surfaces of the Space Shuttle. Surface reactions of thermospheric N and O in mass spectrometer ion sources produce NO and NO2 in amounts highly dependent on surface temperature and composition, with direct exposure of ion source surfaces to rammed gas a necessary condition for the production of large amounts of NO2. Initial orbit data indicate that a period of surface conditioning is necessary before these odd nitrogen molecules can be produced efficiently.

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