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  • Other Sources  (2)
  • PLASMA PHYSICS  (1)
  • SPACECRAFT INSTRUMENTATION  (1)
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  • Other Sources  (2)
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  • 1
    Publication Date: 2016-06-07
    Description: The RPDP is a fully instrumented, ejectable and recoverable unit with flight and ground support systems so that it can be utilized attached to the orbiter remote manipulator system, tethered from the orbiter, or as an orbiter subsatellite. Core instruments on the RPDP are flight proven hardware which provide diagnostics measurements of energetic particles, AC electromagnetic and electrostatic waves, vector magnetic field signatures of current systems, vector electric field signatures associated with plasma flow and particle acceleration, thermal plasma ion composition and density, thermal plasma electron density and temperature, and images of optical emissions regions in UV or visible wavelengths.
    Keywords: PLASMA PHYSICS
    Type: NASA. Marshall Space Flight Center Space Plasma Phys. Active Expt.; p 213-236
    Format: application/pdf
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  • 2
    Publication Date: 2019-06-28
    Description: The instrumentation for obtaining global images of the auroral oval from the high-altitude spacecraft of the Dynamics Explorer Mission is described. It is noted that the three spin-scan auroral imaging photometers are expected to be able to effectively view the dim emissions from earth in the presence of strong stray light sources near their fields-of-view along the sunlit portion of the spacecraft orbit. A special optical design that includes an off-axis parabolic mirror as the focusing element and super-reflecting mirror surfaces is used to minimize the effects of stray light. The rotation of the spacecraft and an instrument scanning mirror provide the two-dimensional array of pixels making up an image frame. It is pointed out that the full width of the fields-of-view of the photometers corresponding to a single pixel is 0.29 deg and that the angular dimensions of a typical full frame are 30 deg x 30 deg and span 14,400 pixels.
    Keywords: SPACECRAFT INSTRUMENTATION
    Type: AD-A120637 , Space Science Instrumentation; 5; Dec. 198
    Format: text
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