Multi-angle exploration of the Sun

Details Multi-angle exploration of the Sun Multi-angle exploration of the Sun

Oct 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002esasp.505...53r&link_type=abstract

In: SOLMAG 2002. Proceedings of the Magnetic Coupling of the Solar Atmosphere Euroconference and IAU Colloquium 188, 11 - 15 Jun

Physics

Space Missions: Sun

Scientific paper

We describe the concept of a proposed new mission, called Multi-Angle Solar Sources Explorer (MASSÉ), that would observe the Sun from an orbit at 0.72 AU and over all solar longitudes. It would, in coordination with observations taken from Earth's side, investigate the sources of solar activity from their origin deep within the Sun, their emergence onto the photosphere, and their ejection into the heliosphere. It carries a Doppler-magnetic imager, and in situ energetic particle, solar wind, and magnetic field detectors. Three-dimensional views of the convection zone, where solar activity originates, are reconstructed by correlating MASSÉ and Earth-side Doppler signals from acoustic wave packets traversing deep solar layers. Magnetic images reveal the evolution of active regions over the entire solar surface and allow the study of emerging fields from deep layers. MASSÉ particle, plasma, and magnetic field data provide information on the sites and mechanisms of acceleration of hazardous high-energy particles produced by coronal mass ejections.

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