Physics – Plasma Physics
Scientific paper
Dec 2011
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011agufmsh44b..03k&link_type=abstract
American Geophysical Union, Fall Meeting 2011, abstract #SH44B-03
Physics
Plasma Physics
[7509] Solar Physics, Astrophysics, And Astronomy / Corona, [7524] Solar Physics, Astrophysics, And Astronomy / Magnetic Fields, [7846] Space Plasma Physics / Plasma Energization, [7894] Space Plasma Physics / Instruments And Techniques
Scientific paper
The primary science objective of the NASA Solar Probe Plus mission is to determine the structure and dynamics of the Sun's coronal magnetic field and to understand how the corona and solar wind are heated and accelerated and how energetic particles are produced and evolve. To accomplish this, the spacecraft carries a broad payload of in situ and remote sensing instruments and uses a sequence of Venus gravitational assists to dive within 8.5 solar radii of the surface of the Sun, making it the first spacecraft to enter the sub-Alfvénic solar corona. This talk will focus on measurements of the thermal ions and electrons that constitute the bulk of the solar corona and solar wind, covering open questions related to the structure, heating, and acceleration of the solar corona and solar wind. The Solar Wind Electrons Alphas and Protons (SWEAP) Investigation on Solar Probe Plus will be presented, including a description of how measurements from electrostatic analyzers behind the heat shield and a Sun-viewing Faraday Cup are combined to ensure continuous and comprehensive sampling of the corona and wind throughout each encounter. Opportunities for coordinated observations with other spacecraft and ground-based observatories will be presented, along with a discussion of possible contributions from the theory and modeling communities, and from existing observations, as we prepare for this historic mission.
Kasper Justin Christophe
Protons (Sweap) Team
Solar Wind Electrons Alphas
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