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Heating Events Observed in the Quiet Corona View all abstracts by submitter

Arnold Benz   Submitted: 1999-11-04 13:01

The emission measure of the quiet corona, defined by the plasma hotter than one million degrees, has been observed by EIT on SoHO to fluctuate in a alrge majority of the 1900km x 1900km pixels during the observing time of 42 minutes. In the average, the larger the emission measure in a pixel, the more it fluctuates. Increases in emission measure constitute a major energy input into the corona, suggesting that the lower corona is not just heated, but continuous- continuously replenished by chromospheric material heated to coronal temperatur- temperatures. We test the hypothesis that the coronal heat input may be largely by chromospheric evaporation. ESA Special Publication, in press

Authors: Arnold O. Benz and Säm Krucker
Projects: Soho-EIT

Publication Status: To appear in: Magnetic Fields and Solar Processes}, 9th European Meeting on Solar Physics, Florence, Italy, 12 - 18 September 19
Last Modified: 2005-11-17 01:40
Go to main E-Print page  Bidirectional Type III Solar Radio Bursts  Are Heating Events in the Quiet Solar Corona Small Flares? -- Multiwavelength Observations of Individual Events  Edit Entry  Download Preprint  Delete Entry 

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