Astronomy and Astrophysics – Astrophysics – Solar and Stellar Astrophysics
Scientific paper
2010-11-10
Astronomy and Astrophysics
Astrophysics
Solar and Stellar Astrophysics
7 pages, 3 figures, white paper submitted to the NRC Solar/Space Physics Decadal Survey project
Scientific paper
Understanding the physical processes responsible for accelerating the solar wind requires detailed measurements of the collisionless plasma in the extended solar corona. Some key clues about these processes have come from instruments that combine the power of an ultraviolet (UV) spectrometer with an occulted telescope. This combination enables measurements of ion emission lines far from the bright solar disk, where most of the solar wind acceleration occurs. Although the UVCS instrument on SOHO made several key discoveries, many questions remain unanswered because its capabilities were limited. This white paper summarizes these past achievements and also describes what can be accomplished with next-generation instrumentation of this kind.
Alexander Dave
Bhattacharjee Anirban
Breech Benjamin A.
Brickhouse Nancy S.
Chandran Benjamin D. G.
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