Accretion and Winds in T Tauri Systems

Details Accretion and Winds in T Tauri Systems Accretion and Winds in T Tauri Systems

Jul 1999

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999hst..prop.8041l&link_type=abstract

HST Proposal ID #8041

Physics

Hst Proposal Id #8041 Binary Stars

Scientific paper

We will obtain echelle spectra {modes 1.3 and 2.3} of a classical T Tauri star to study the geometry, dynamics and energetics of accretion and winds in pre- main-sequence stars. Line fluxes will be used to construct an emission measure distribution and to determine electron densities. Line shapes will help to constrain the geometry and kinematics of the wind and the accreting material. Many Fe II lines, spanning a range in optical depth, will provide new insight into the radial variations in wind properties. We will also use the spectra to study the mechanisms responsible for exciting flourescence of molecular hydrogen.

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