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Astron. Astrophys. 328, 243-246 (1997)

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The influence of new opacity data on the vertical structure
of accretion disks

B.F. Liu 1, 2 and E. Meyer-Hofmeister 1

1 Max-Planck-Institut für Astrophysik, Karl-Schwarzschild-Str.1, D-85740 Garching, Germany
2 Yunnan Observatory, Academia Sinica, P.O.Box 110, Kunming 650011, China

Received 22 April 1997 / Accepted 4 July 1997

Abstract

Using the most recent opacity tables and the corresponding equation of state (EOS) data, we compute the vertical structure of accretion disks in cataclysmic variables, and give the new numerical results. We also present the resulting viscosity-surface density relation. We conclude that the improvement of opacity and EOS hardly influences the disk structure compared to the uncertainties connected with parameterization of viscosity and mixing length.

Key words: accretion, accretion disk – instability – novae, cataclysmic variables

Send offprint requests to: E. Meyer-Hofmeister
(emm@mpa-garching.mpg.de)

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© European Southern Observatory (ESO) 1997

Online publication: March 24, 1998

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