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The Light Curves of Classical Symbiotic Stars

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Augustin Skopal
Dr. Remeis-Sternwarte, Astronomisches Institut der Universität Erlangen-Nürnberg, Sternwartstr. 7, 96049 Bamberg, Germany

Present address: Astronomical Institute, Slovak Academy of Sciences, 059 60 Tatranská Lomnica, Slovakia

Abstract
Results of both photoelectric and visual long-term monitoring of selected classical symbiotic stars (CSS) are presented. We suggest a classification in which the complex behavior in their light curves can be basically divided into two groups: (i) periodic and (ii) non-periodic variations. The possible nature of the observed variations is briefly discussed. Comparison of the visual magnitude estimates to the photoelectric data is provided for individual cases.

Link to article on ADS