Astronomy and Astrophysics – Astronomy
Scientific paper
Dec 1986
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986nascp2442....9p&link_type=abstract
In NASA. Goddard Space Flight Center Coronal and Prominence Plasmas p 9-20 (SEE N87-20871 13-92)
Astronomy and Astrophysics
Astronomy
7
Heating, Magnetic Field Configurations, Magnetohydrodynamic Waves, Solar Atmosphere, Solar Corona, Solar Temperature, Sun, X Ray Astronomy, Coronal Holes, Magnetohydrodynamics, Solar Physics, Stellar Mass Ejection
Scientific paper
The present state of development of the theory of coronal heating is summarized. Coronal heating is the general cause of stellar X-ray emission, and it is also the cause of stellar mass loss in most stars. Hence a quantitive theory of coronal heating is an essential part of X-ray astronomy, and the development of a correct theory of coronal heating should be a primary concern of X-ray astronomers. The magnetohydrodynamical effects involved in coronal heating are not without interest in their own right, representing phenomena largely unknown in the terrestrial laboratory. Until these effects can be evaluated and assembled into a comprehensive theory of coronal heating for at least one star, the interpretation of the X-ray emissions of all stars is a phenomenological study at best, based on arbitrary organization and display of X-ray luminosity against bolometric luminosity, rotation rate, etc. The sun provides the one opportunity to pursue the exotic physical effects that combine to heat a stellar corona.
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