Other
Scientific paper
Dec 2000
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000jkas...33..159b&link_type=abstract
Journal of the Korean Astronomical Society, vol. 33, no. 3, pp. 159-163
Other
Sun: Transition Region, Sun: Flux Tubes
Scientific paper
We have investigated one dimensional steady flow model of a typical magnetic flux tube in the solar transition region constrained to observed Differential Emission Measure (DEM) for the average quiet-Sun deduced by Raymond & Doyle (1981) with a flux tube geometry conforming to Doppler shifts of UV lines measured by Chae, Yun & Poland (1998). Because local heating and filling factor in the transition region are not well known, we considered two extreme cases, one characterized by the filling factor = 1 ("filled-up model") and the other set by local heating = 0 ("not-heated model"). We examined how much the heating is required for the flux tube by recomputing a model through adjustment of the filling factor in such a way that "not-heated model" accounts for the observed DEM.
Bong Su-Chan
Chae Jongchul
Yun Hong Sik
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