Theoretical studies of chromospheres and winds in cool stars

Details Theoretical studies of chromospheres and winds in cool stars Theoretical studies of chromospheres and winds in cool stars

Jan 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986sao..rept.....h&link_type=abstract

Semiannual Progress Report, 1 Apr. - 30 Sep. 1985 Smithsonian Astrophysical Observatory, Cambridge, MA.

Astronomy and Astrophysics

Astrophysics

Radiative Transfer, Stellar Winds, Supergiant Stars, Temperature, Wave Propagation, Boundary Value Problems, Stellar Mass Accretion, Stellar Mass Ejection, T Tauri Stars

Scientific paper

Propagation of pulsational waves through the atmosphere of the M supergiant alpha Ori was explored using a time dependent hydrodynamic code. Wind properties for three FU Orionis objects were determined using radiative transfer models based on optical line profiles. The effects of varying wind temperature while keeping the velocity steady were considered. Using the premise that FU Orionis eruptions result from massive accretions from a disk into a T Tauri star explains a variety of observational peculiarities of FU Orionis objects.

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