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Pioneer Venus Orbiter neutral gas mass spectrometer experimentThe Pioneer Venus Orbiter Neutral Mass Spectrometer (ONMS) is designed to measure the vertical and horizontal density variations of the major neutral constituents in the upper atmosphere of Venus. The mass spectrometer sensor includes a retarding potential ion source, hyperbolic quadrupole rod analyzer, and electron multiplier detector. The supporting electronic system consists of hybrid integrated circuits to reduce weight and power. The ONMS instrument was launched aboard the Pioneer Venus Orbiter on May 20, 1978, and turned on in orbit around Venus on December 4, 1978. It has operated flawlessly for over a Venus year (243 earth days) and has returned data of the composition of the major constituents in the Venus atmosphere between the altitudes of 150 and 350 km.
Document ID
19800046670
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Niemann, H. B. (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Booth, J. R. (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Cooley, J. E. (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Hartle, R. E. (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Kasprzak, W. T. (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Spencer, N. W. (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Way, S. H. (NASA Goddard Space Flight Center Laboratory for Planetary Atmospheres, Greenbelt, Md., United States)
Hunten, D. M. (Arizona, University Tucson, Ariz., United States)
Carignan, G. R. (Michigan, University Ann Arbor, Mich., United States)
Date Acquired
August 10, 2013
Publication Date
January 1, 1980
Publication Information
Publication: IEEE Transactions on Geoscience and Remote Sensing
Volume: GE-18
Subject Category
Spacecraft Instrumentation
Accession Number
80A30840
Distribution Limits
Public
Copyright
Other

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