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Theoretical Modelling of Algol Disks

Published online by Cambridge University Press:  12 April 2016

I. Hubeny
I. Hubeny*
Affiliation:
Joint Institute for Laboratory Astrophysics,University of Coloradoand National Bureau of Standards Boulder, CO 80309-0440U.S.A.

Abstract

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A brief review of various theoretical approaches to model accretion disks is presented. Emphasis is given to models that determine self-consistently the structure of a disk together with the radiation field. It is argued that a proper treatment of the vertical structure is essential for calculating theoretical spectra to be compared with observations. In particular, it is shown that hot layers above an accretion disk (sometimes called disk “chromospheres” or “coronae”), whose presence is indicated by recent UV observations of strong emission lines of highly ionized species, may be explained using simple energy balance arguments.

Type
Research Article
Information
International Astronomical Union Colloquium , Volume 107: Algols , 1989 , pp. 117 - 126
Copyright
Copyright © Kluwer 1989

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