Application of the spectral subtraction technique to the CaII H & K and H$\epsilon$ lines in a sample of chromospherically active binaries

D. Montes, E. De Castro, M. J. Fernandez-Figueroa +1

We present new spectroscopic observations in the Ca~{\sc ii} H \& K line region for a sample of 28 chromospherically active binary systems (RS CVn and BY Dra classes), with dif…