Observational consequences of dynamic coronal heating

Details Observational consequences of dynamic coronal heating Observational consequences of dynamic coronal heating

Jun 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002esasp.508..335w&link_type=abstract

In: Proceedings of the SOHO 11 Symposium on From Solar Min to Max: Half a Solar Cycle with SOHO, 11-15 March 2002, Davos, Switze

Computer Science

1

Coronal Heating, Coronal Loops, Soho Observations

Scientific paper

This paper focuses upon how any observed spatial variation in the temperature profile along a coronal loop can be related to the possible energy deposition within the structure itself. The advantages and limitations of such an approach are presented with specific reference to diagnostic observations that would be made by a rastering spectrometer (such as CDS onboard SOHO). A numerical simulation of loop plasma evolution through a specified heating/cooling cycle is folded through the spatio-temporal smearing of the CDS slit stepping from right to left across the target loop. The resulting "CDS-observed" thermal structure when compared with hydrostatic loop models to derive a "CDS-observed" heating often leads to erroneous conclusions about the deduced energy release in the loop. Possible solutions for a more robust approach are outlined.

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