Wave-driven winds from cool stars - Progress and problems

Details Wave-driven winds from cool stars - Progress and problems Wave-driven winds from cool stars - Progress and problems

Mar 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986iraj...17..227j&link_type=abstract

Irish Astronomical Journal (ISSN 0021-1052), vol. 17, March 1986, p. 227-237.

Statistics

Computation

5

Computational Astrophysics, Cool Stars, Magnetohydrodynamic Waves, Stellar Winds, Emission Spectra, Line Spectra, Stellar Mass Ejection, Stellar Models, T Tauri Stars

Scientific paper

When the ab initio, constant damping length approach to the solution of cool star momentum, mass and energy equations is applied to specific stars, fundamental difficulties arise in simultaneously matching data for emission line fluxes, widths, and the constraints implied by the absorption lines. The adoption of a semiempirical approach allows both hydrostatic and wind models to be made on the basis of emission measure distribution and boundary conditions on pressure and mass loss rate; the energy balance, however, requires a severely nonradial magnetic field, and no self-consistent model has yet been produced. Attention is presently given to alternative solutions for these difficulties. Further observations are needed to distinguish between these alternatives.

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