Simultaneous Optical and X-ray Observations of Flares and Rotational Modulation on the RS CVn Binary HR 1099 (V711 Tau) from the MUSICOS 1998 Campaign

D. Garcia-Alvarez, B. H. Foing, D. Montes +2

We present simultaneous and continuous observations of the H$\alpha$, H$\beta$, He {\sc i} D${}_3$, Na {\sc i} D${}_1$,D${}_2$ doublet and the Ca {\sc ii} H & K lines for the RS CVn system…