Corona and solar wind

Details Corona and solar wind Corona and solar wind

Apr 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986sfcp.nasa..221w&link_type=abstract

In NASA. Marshall Space Flight Center Solar Flares and Coronal Physics Using P/OF as a Research Tool p 221-240 (SEE N86-24614

Physics

2

Energy Transfer, Particle Acceleration, Plasma Heating, Solar Corona, Solar Wind, Spectroscopy, Density (Mass/Volume), Flow Velocity, Magnetic Fields, Pinhole Occulter Facility, Temperature

Scientific paper

The Pinhole/Occulter Facility is a powerful tool for studying the physics of the extended corona and origins of the solar wind. Spectroscopic data acquired by the P/OF coronal instruments can greatly expand empirical information about temperatures, densities, flow velocities, magnetic fields, and chemical abundances in the corona out to r or approx. 10 solar radii. Such information is needed to provide tight empirical constraints on critical physical processes involved in the transport and dissipation of energy and momentum, the heating and acceleration of plasma, and the acceleration of energetic particles. Because of its high sensitivity, high spatial and temporal resolutions, and powerful capabilities for plasma diagnostics, P/OF can significantly increase our empirical knowledge about coronal streamers and transients and thereby advance the understanding of the physics of these phenomena. P/OF observations can be used to establish the role in solar wind generation, if any, of small-scale dynamical phenomena, such as spicules, macrospicules and coronal bullets, and the role of the fine-scale structures, such as polar plumes. Finally, simultaneous measurements by the P/OF coronal and hard X-ray instruments can provide critical empirical information concerning nonthermal energy releases and acceleration of energetic particles in the corona.

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