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A survey of extended matter around chromospherically active binary systems

Karakuş, Osman; Ekmekçi, Fehmi

We present an analysis of colour excess (CE) observations for 13 chromospherically active binary systems, together with 27 inactive reference stars of similar spectral types and luminosity classes of the components of these 13 binaries. We used the observations which were made by Johnson-Cousins BVR_cI_c , 2MASS, and WISE photo…