Disc instability models, evaporation and radius variations

Details Disc instability models, evaporation and radius variations Disc instability models, evaporation and radius variations

1999-01-04

arxiv.org/abs/astro-ph/9901020v1

Astronomy and Astrophysics

Astrophysics

8 pages, 1 figure. To be published in the proceedings of the conference "Disk Instabilities in Close Binary Systems - 25 Years

Scientific paper

We show that the outcome of disc instability models is strongly influenced by boundary conditions such as the position of the inner and outer disc edges. We discuss other sources of uncertainties, such as the tidal torque, and we conclude that disc illumination, disk size variations and a proper prescription for the tidal torque must be included in models if one wishes to extract meaningful physical information on e.g. viscosity from the comparison of predicted and observed lightcurves.

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