Publication Date:
2011-08-19
Description:
The free-free microwave emission is calculated from a series of model magnetic loops. The loops are surrounded by a cooler external plasma, as required by recent simultaneous X ray and microwave observations, and a narrow transition zone separating the loops from the external plasma. To be consistent with the observational results, upper limits on the density and temperature scale lengths in the transition zone are found to be 360 km and 250 km, respectively. The models which best produce agreement with X-ray and microwave observations also yielded emission measure curves which agree well with observational emission measure curves for solar active regions.
Keywords:
SOLAR PHYSICS
Type:
Astrophysical Journal, Part 1 (ISSN 0004-637X); 327; 417-426
Format:
text
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