6. Environments of Active Binaries
Gunn A. G., Doyle J. G.,
in in Cool Stars, Stellar Systems, and the Sun, R. Pallavicini & A. K. Dupree (eds),
Proceedings of the 9th Cambridge Workshop, ASP Conference Series Volume 109, p649.
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ABSTRACT. We present high-resolution spectroscopic observations of the active close binary systems ER Vulpeculae, GK Hydrae and TY Pyxidis. The spectral subtraction technique has been used in an investigation of the existence of prominence-like and plage-like material in these systems. We show that prominences are not a characteristic of the RS CVn class.