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Proceedings Paper

Neutral mass spectrometer results from MSX early operations phase
Author(s): Richard C. Benson; Terry E. Phillips; Mark T. Boies; O. Manuel Uy
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Paper Abstract

Results are reported on the measurements obtained from the neutral mass spectrometer (NMS) during the early operations phase of the midcourse space experiment (MSX) mission. During this phase the dominant species present around the spacecraft was argon that originated from the sublimation of the solid argon cryogen used to cool the SPIRIT III aperture door. The major contaminant species was water vapor which outgassed from spacecraft surfaces that were in the NMS field of view. Organic species were generally below the detection limit. Inorganic species were detected that may have come from the NMS cover during deployment. In addition to the on-orbit results, the operation and specifications of the NMS are briefly described along with ground-calibration data.

Paper Details

Date Published: 11 November 1996
PDF: 12 pages
Proc. SPIE 2864, Optical System Contamination V, and Stray Light and System Optimization, (11 November 1996); doi: 10.1117/12.258305
Show Author Affiliations
Richard C. Benson, Johns Hopkins Univ. (United States)
Terry E. Phillips, Johns Hopkins Univ. (United States)
Mark T. Boies, Johns Hopkins Univ. (United States)
O. Manuel Uy, Johns Hopkins Univ. (United States)


Published in SPIE Proceedings Vol. 2864:
Optical System Contamination V, and Stray Light and System Optimization
Robert P. Breault; A. Peter M. Glassford; Stephen M. Pompea; Robert P. Breault; Stephen M. Pompea, Editor(s)

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