Computer Science
Scientific paper
Jul 2002
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002hst..prop.9532p&link_type=abstract
HST Proposal ID #9532
Computer Science
Hst Proposal Id #9532 Hot Stars
Scientific paper
We propose a comprehensive program to study outflows from accretion disks in cataclysmic variables {CVs}. These binary stars have been extensively observed with HST. Previous studies, including our own, show that such disks can produce winds driven by line radiation pressure. However, despite great progress in both observational and theoretical studies, many basic properties of the outflows are still poorly known. For example, the mass-loss rates, and the roles of radiation pressure versus magnetic forces in launching/accelerating/shaping the outflows, are very uncertain. We will continue to use the multi-dimensional, time-dependent, magneto-hydrodynamical code ZEUS to compute, from first principles, the structures of winds driven from accretion disks by line radiation pressure with and without magnetic fields. Results of the project will provide basic dynamical and kinematical properties of disk winds. We will use these properties to calculate theoretical wind diagnostics, such as line profiles, for direct comparison with UV observations taken with HST.
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