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Orbital Solutions for WZ Sagittae During Quiescence

Published online by Cambridge University Press:  12 April 2016

Ronald L. Gilliland
Ronald L. Gilliland*
Affiliation:
High Altitude Observatory, National Center for Atmospheric Research

Extract

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WZ Sagittae was one of the first cataclysmic variables shown to be a binary system (Kraft 1961) from spectroscopic observations. Krzeminski (1962) found that WZ Sge was an eclipsing binary with an 81 min 38 s orbital period. Krzeminski and Kraft (1964, hereafter KK) in the first of many comprehensive analyses of the WZ Sge system to appear in the literature stated “a lower limit to certain detection of orbital velocity changes for the double emission feature is 2K = 75 km s-1 .” Interpreted as an upper limit to K^ of 37.5 km s-1 this fundamental result has remained untested for two decades, although interpretations and observations of WZ Sge have led to a vast literature. Despite the lack of a well determined orbital velocity, WZ Sge is one of the most thoroughly studied cataclysmic variables. The photometric properties during quiescence have been thoroughly studied and discussed (Robinson, et al. 1978; Fabian, et al. 1978; Ritter and Schroder 1979), although a consensus on model parameters has remained elusive.

Type
Research Article
Information
International Astronomical Union Colloquium , Volume 72: Cataclysmic Variables and Related Objects , 1983 , pp. 29 - 34
Copyright
Copyright © Reidel 1983

References

REFERENCES

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