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FUV and EUV Imaging of the Thermosphere and Ionosphere from GEO K. Wood and K. Dymond, NRL

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

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  1. 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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