Astronomy and Astrophysics – Astrophysics
Scientific paper
Apr 1983
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983a%26a...120..141h&link_type=abstract
Astronomy and Astrophysics (ISSN 0004-6361), vol. 120, no. 1, April 1983, p. 141-146. Research supported by the Deutsche Forschu
Astronomy and Astrophysics
Astrophysics
3
Plasma Heating, Stellar Coronas, Stellar Models, Stellar Temperature, Atmospheric Heating, Energy Dissipation, Error Analysis, Heat Flux, Pressure Distribution, Stellar Atmospheres, Stellar Mass Ejection, Stellar Winds
Scientific paper
In order to determine the possible errors of various minimum flux corona (MFC) predictions, MFC models are compared with a grid of detailed coronal models covering a range of two orders of magnitude in coronal heating and damping length values. The MFC concept is totally unreliable in the prediction of mass loss and the relative importance of various kinds of energy losses, and MFC predictions for the mass loss rate and energy losses due to stellar wind can be wrong by many orders of magnitude. It is suggested that for future applications, the unreliable MFC formulas should be replaced by a grid of related models accounting for the coronal dependence on damping length, such as the models underlying the present study.
Endler F.
Hammer Reiner
Ulmschneider Peter
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