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Spectroscopic Observations of Z Andromedae and CI Cygni from 1968 to 1973

Published online by Cambridge University Press:  14 August 2015

A. Mammano ,
L. Rosino  and
S. Yildizdogdu
A. Mammano
Affiliation:
Asiago Astrophysical Observatory, University of Padova
L. Rosino
Affiliation:
Asiago Astrophysical Observatory, University of Padova
S. Yildizdogdu
Affiliation:
Asiago Astrophysical Observatory, University of Padova

Abstract

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A description is given of the spectral changes observed in the symbiotic stars Z And and CI Cyg during the nova-like outbursts of 1968 and 1971–73. The observed features can be interpreted by assuming that transient shells are formed around the hot component of a binary system, imbedded in a small nebula.

Type
Part 8 / Symbiotic Stars
Information
Symposium - International Astronomical Union , Volume 67: Variable Stars and Stellar Evolution , 1975 , pp. 401 - 404
Copyright
Copyright © Reidel 1975 

References

Belyakina, T. S.: 1974, Info. Bull. Var. Stars, No. 863.Google Scholar
Isles, J. E.: 1973, IAU Circ., No. 2575.Google Scholar
Lowder, W. M.: 1971, IAU Circ., No. 2335.Google Scholar
Pucinskas, A.: 1972, Vilnius Astr. Bull., No. 33.Google Scholar