FUV and EUV Imaging of the Thermosphere and Ionosphere from GEO
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FUV and EUV Imaging of the Thermosphere and Ionosphere from GEO K. Wood and K. Dymond, NRL. Associated RFAs: F2. Understand the plasma processes that accelerate and transport particles (Q4)

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FUV and EUV Imaging of the Thermosphere and Ionosphere from GEO

K. Wood and K. Dymond, NRL

Associated RFAs:

F2. Understand the plasma processes that accelerate and transport particles (Q4)

F3. Understand the role of plasma and neutral interactions in nonlinear coupling of regions throughout the solar system (Q1,2,&3)

F3,Q3. How do the magnetosphere and the ionosphere-thermosphere systems interact with each other?

H2. Determine changes in the Earth’s magnetosphere, ionosphere, and upper atmosphere to enable specification, prediction, and mitigation of their effects (Q1&3)

H3. Understand the role of the Sun as an energy source to Earth’s atmosphere and, in particular, the role of solar variability in driving change (Q1&2)

J4. Understand and characterize the space weather effects on and within planetary environments to minimize risk in exploration activities (Q3)

Science Objectives:

  • What is the prompt global-scale ionospheric response to geomagnetic storms?

  • What are the extended responses of the thermosphere and the global scale ionosphere to geomagnetic storms?

  • How do traveling ionospheric disturbances develop and propagate?

  • What affects the day to day variability of the equatorial ionosphere?

  • What are the temporal and spatial properties of high latitude upflows and outflows?

TIGRIST:

PI: P. Kintner; Institutions: Cornell, NRL, UC Berkeley

*Number of Spacecraft: 1

*Location: Geosynchronous

*Attitude Control: 3-axis stabilized

*Number of Instruments: 1 or 2

*Type of Instrument(s 2): UV Imagers, mostly TRL9

*Payload Resources Required: 95 kg, offset pointing

Measurement Strategy:

FUV/EUV Imagery at 10 km resolution (best case)

  • Enabling and Enhancing Technology Developments:

  • High performance reflective filters for UV

  • High performance microchannel-plate based detector systems

  • Newly developed algorithms for inverting the UV radiances to produce neutral and ion densities

  • Low cost, frequent access to GEO (presently limited to finding missions of opportunity, which are chiefly on communications satellites)


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