The S/WAVES Instrument for the STEREO Mission

Details The S/WAVES Instrument for the STEREO Mission The S/WAVES Instrument for the STEREO Mission

May 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006agusmsh33a..06b&link_type=abstract

American Geophysical Union, Fall Meeting 2007, abstract #SH33A-06

Physics

Plasma Physics

7500 Solar Physics, Astrophysics, And Astronomy, 7513 Coronal Mass Ejections (2101), 7534 Radio Emissions, 7594 Instruments And Techniques, 7800 Space Plasma Physics

Scientific paper

In 2006, NASA will launch the twin STEREO spacecraft from Kennedy Space Center into a pair of heliocentric orbits near 1 AU such that the spacecraft will move away from Earth (ahead and behind) at about 22 degrees per year. The STEREO Mission will help us to understand the causes and mechanisms of coronal mass ejection (CME) initiation and to follow the propagation of CMEs through the heliosphere. STEREO will also study the mechanisms and sites of solar energetic particle (SEP) acceleration and determine the 3-D time- dependent magnetic topology, temperature, density and velocity of the solar wind between the sun and Earth. Each STEREO spacecraft will be equipped with optical and particles and fields instruments including the STEREO Waves (S/WAVES) instrument. S/WAVES will use radio waves to track the location of CME-driven shocks (via type II radio bursts) and the 3-D topology of open field lines along which energetic particles flow (via the ubiquitous type III radio bursts). The radio tracking portion of S/WAVES is a direct descendant of the Cassini RPWS radio receiver with some important improvements. In situ electrostatic and electromagnetic waves, which represent one aspect of particle-wave interactions, will be detected by a time-domain sampling instrument, with time resolution up to 4 microseconds.
lep.gsfc.nasa.gov/swaves/swaves.html

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