Instrumental and observational requirements for space-based imaging of magnetospheric emissions

Bob M. Robinson; Yam T. Chiu; Richard C. Catura; Henry L. Collin; Dante Espino Garrido; Roger W. Smith

doi:10.1117/12.60575

1 June 1992 Instrumental and observational requirements for space-based imaging of magnetospheric emissions

Bob M. Robinson, Yam T. Chiu, Richard C. Catura, Henry L. Collin, Dante Espino Garrido, Roger W. Smith

Proceedings Volume 1744, Instrumentation for Magnetospheric Imagery; (1992) https://doi.org/10.1117/12.60575
Event: San Diego '92, 1992, San Diego, CA, United States

Abstract

Simulated images of extreme ultraviolet (EUV) emissions from energetic outfiowing ions have been constructed to study techniques for remotely sensing the dynamic behavior of hot plasmas in the near-Earth environment. These calculations include realistic assumptions about the energetic ion outflow from high latitudes and take into account the effects of cold plasmasphenc and ionospheric ions. The energetic ion outflow is determined from a statistical study based on five years of measurements from the Energetic Ion Composition Spectrometer on Dynamics Explorer 1. The simulated images change significantly with viewing geometry and certain spacecraft locations are clearly favorable for observing emissions from energetic ions. For example, for a near equatorial orbit, viewing locations greater than 9 Earth radii are required to observe outfiowing ions above the cold plasmaspheric background. We will discuss other important considerations for magnetospheric imaging including the sensitivity requirements of the detector. In particular, we consider the performance of multi-layer optics for EUV wavelengths.

Citation Download Citation

Bob M. Robinson, Yam T. Chiu, Richard C. Catura, Henry L. Collin, Dante Espino Garrido, and Roger W. Smith "Instrumental and observational requirements for space-based imaging of magnetospheric emissions", Proc. SPIE 1744, Instrumentation for Magnetospheric Imagery, (1 June 1992); https://doi.org/10.1117/12.60575

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