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Plasma Spectrometer (PLS)

NSSDCA ID: ?1977-076A-06

Mission Name: ?Voyager 2
Principal Investigator: Dr. John D. Richardson

Description

The plasma investigation made use of two Faraday-cup detectors, one pointed along the earth-spacecraft line and one at right angles to this line. The earth-pointing detector determined the macroscopic properties of the plasma ions, obtaining accurate values of their velocity, density, and pressure. Three sequential energy scans were employed with (delta E)/E equal to 29, 7.2, and 1.8%, allowing a coverage from subsonic to highly supersonic flow. The side-looking Faraday cup measured electrons in the energy range from 5 eV to 1 keV.

Alternate Names

  • PLS
  • Plasma Science Experiment
  • Voyager2/PLS
  • urn:nasa:pds:context:instrument:vg2.pls

Facts in Brief

Mass: ?9.9?kg
Power (avg): ?8.1?W
Bit rate (avg): ?0.032?kbps

Funding Agency

  • NASA-Office of Space Science?(United States)

Disciplines

  • Planetary Science: Fields and Particles
  • Space Physics: Heliospheric Studies

Additional Information

Questions and comments about this experiment can be directed to: Dr. Edwin V. Bell, II

 

Personnel

Name Role Original?Affiliation E-mail
Dr. James D. Sullivan Co-Investigator Massachusetts Institute of Technology sullivan@bu.edu
Dr. Keith W. Ogilvie Co-Investigator NASA Goddard Space Flight Center keith.w.ogilvie@nasa.gov
Dr. Leonard F. Burlaga Co-Investigator NASA Goddard Space Flight Center u2leb@lepvax.gsfc.nasa.gov
Prof. George L. Siscoe Co-Investigator University of California, Los Angeles siscoe@buasta.bu.edu
Prof. Vytenis M. Vasyliunas Co-Investigator Max-Planck-Institut fur Aeronomie vasyliunas@linmpi.mpg.de
Dr. Alan J. Lazarus Co-Investigator Massachusetts Institute of Technology
Dr. Richard E. Hartle Co-Investigator NASA Goddard Space Flight Center
Dr. Arthur J. Hundhausen Co-Investigator National Center for Atmospheric Research
Dr. S. Olbert Co-Investigator Massachusetts Institute of Technology
Dr. Jack D. Scudder Co-Investigator NASA Goddard Space Flight Center jds@space-theory.physics.uiowa.edu
Dr. Christoph K. Goertz Co-Investigator University of Iowa
Dr. John D. Richardson Principal Investigator Massachusetts Institute of Technology jdr@space.mit.edu

Selected?References

  • Bridge, H. S., et al. , The plasma experiment on the 1977 Voyager mission, Space Sci. Rev. , 21, No. 3, 259-287, doi:10.1007/BF00211542, Dec. 1977.
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