High-frequency acoustic waves are not sufficient to heat the solar chromosphere

Astrid Fossum () and Mats Carlsson
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Astrid Fossum: University of Oslo
Mats Carlsson: University of Oslo

Nature, 2005, vol. 435, issue 7044, 919-921

Abstract: Trace element Mysteriously, the Sun's outer atmosphere is hotter than the surface. One popular explanation is that the chromosphere is heated by dissipation of high-frequency sound waves. These elusive waves have now been detected with the space-based observatory TRACE. Surprise, surprise... their energy flux is ten times too low for acoustic waves to be the dominant heat source.

Date: 2005
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DOI: 10.1038/nature03695

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