Why do stars emit emit X rays?

Details Why do stars emit emit X rays? Why do stars emit emit X rays?

Jul 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987pht....40g..36p&link_type=abstract

Physics Today (ISSN 0031-9228), vol. 40, July 1987, p. 36-42.

Physics

14

Coronal Loops, Stellar Magnetic Fields, Stellar Models, Stellar Physics, X Ray Stars, Magnetohydrodynamic Waves, Stellar Temperature, Temperature Distribution

Scientific paper

Because X-ray emission is the principal means of energy loss from most stellar coronas, X-ray luminosity may be taken as a measure of the energy input needed to produce the corona. If, moreover, it were known why the sun is made to generate patches of bright X-ray corona, the X-ray emission could be used as a diagnostic tool for probing the properties of other stars. Attention is presently given to stars with surface temperatures below about 7000 K, such as the sun, to elucidate such phenomena as wrapping and interweaving of the magnetic lines of force in a bipolar magnetic region, the twisting of a single flux bundle in an otherwise uniform field, and future prospects being developed by NASA for more intensive study of solar X-ray processes.

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