Astronomy and Astrophysics – Astronomy
Scientific paper
Jan 2011
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011aas...21715511c&link_type=abstract
American Astronomical Society, AAS Meeting #217, #155.11; Bulletin of the American Astronomical Society, Vol. 43, 2011
Astronomy and Astrophysics
Astronomy
Scientific paper
We have measured the properties of solar upper transition region loop structures barely resolvable in 1-arcsecond resolution data from the Transition Region and Coronal Explorer (TRACE) satellite and from the Solar Ultraviolet Measurements of Emitted Radiation (SUMER) instrument aboard the SOHO satellite for the purpose of investigating the mechanisms that generate and energize these structures. The images were wavelet transformed to elucidate and isolate fine-scale loops, whose lengths, widths, emergent flux, flows, and underlying magnetic field were measured. It was found that the loops' magnetic geometries were well-fit by potential field models. However, hydrostatic models were unable to self-consistently reproduce the loop's observed properties for a wide range of parameter space.
Chesny David
Cohen Lawrence
DeBoth D.
Ebert Margaret
Neira C.
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