TY - JOUR AU - Montes Gutiérrez, David AU - Fernández Figueroa, María José AU - Cornide Castro-Piñeiro, Manuel AU - Castro Rubio, Elisa De PY - 1996 SN - 0004-6361 UR - https://hdl.handle.net/20.500.14352/59620 T2 - Astronomy and astrophysics AB - In this work we analyze the behaviour of the excess Ca II H and K and H_ ε emissions in a sample of 73 chromospherically active binary systems (RS CVn and BY Dra classes), of different activity levels and luminosity classes. This sample includes the... LA - eng M2 - 221 PB - EDP Sciencies KW - RS-canum-venaticorum KW - Main-sequence stars KW - Solar-type stars KW - Cool stars KW - Magnetic-structure KW - Alpha emission KW - Stellar activity KW - Synchronized binaries KW - Radiative losses KW - By-draconis TI - The behaviour of the excess Ca II H and K and H_ε emissions in chromospherically active binaries TY - journal article VL - 312 ER -