Eclipsing binary systems
1 5. Close Binary Eclipsing Systems
1.1 Definition
We adopt a triple system of classifying eclipsing binary systems:
according to the shape of the combined light curve, as well as to
physical and evolutionary characteristics of their components.
The classification based on light curves is simple, traditional,
and suits the observers; the second and third classification
methods take into account positions of the binary-system
components in the (MV ,B-V) diagram and the degree of inner Roche
lobe filling. Estimates are made by applying the simple criteria
proposed by Svechnikov and Istomin (1979). The symbols for the
types of eclipsing binary systems that we use are given below.
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