Neutral mass spectrometer results from MSX early operations phase

Richard C. Benson; Terry E. Phillips; Mark T. Boies; O. Manuel Uy

doi:10.1117/12.258305

11 November 1996 Neutral mass spectrometer results from MSX early operations phase

Richard C. Benson, Terry E. Phillips, Mark T. Boies, O. Manuel Uy

Proceedings Volume 2864, Optical System Contamination V, and Stray Light and System Optimization; (1996) https://doi.org/10.1117/12.258305
Event: SPIE's 1996 International Symposium on Optical Science, Engineering, and Instrumentation, 1996, Denver, CO, United States

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.

Citation Download Citation

Richard C. Benson, Terry E. Phillips, Mark T. Boies, and O. Manuel Uy "Neutral mass spectrometer results from MSX early operations phase", Proc. SPIE 2864, Optical System Contamination V, and Stray Light and System Optimization, (11 November 1996); https://doi.org/10.1117/12.258305

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