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Circumstellar Material in Cataclysmic Binaries

Published online by Cambridge University Press:  14 August 2015

J. Smak
J. Smak*
Affiliation:
N. Copernicus Astronomical Center Polish Academy of Sciences Warsaw, Poland

Abstract

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This semi-review will concentrate primarily on geometric and photometric parameters of rotating gaseous disks in cataclysmic binaries. Dimensions, or more precisely - the outer radius of the disk can be estimated from three types of data: (a) From the analysis of eclipses of the hot spot, by assuming that its “radius-vector” is identical with the outer radius of the disk. (b) From the analysis of the eclipses of the disk itself. (c) From the radial velocity data giving the rotational velocity of the disk and the orbital velocity(ies) of the component(s). The resulting radius, corresponding to the peaks of the double emission lines, is not identical but presumably quite close to the outer radius of the disk. From a more detailed analysis of the disk's eclipse one can also obtain an information concerning the surface brightness distribution across the disk.

Type
VIII. Cataclysmic Variables and Polars
Information
Symposium - International Astronomical Union , Volume 88: Close Binary Stars: Observations and Interpretation , 1980 , pp. 443 - 446
Copyright
Copyright © Reidel 1980 

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