TY - JOUR AU - Giménez, A. AU - Reglero, V. AU - De Castro, E. AU - Fernández Figueroa, María José PY - 1991 SN - 0004-6361 UR - https://hdl.handle.net/20.500.14352/57955 T2 - Astronomy & Astrophysics AB - New photometric observations, using the uvby and Hβ systems of 72 northern-hemisphere active binaries are discussed in order to explain the main characteristics of their spectral light intensity distribution. Values of the parameter δm1 range from 0.0... LA - eng M2 - 563 PB - EDP Sciencies KW - Main-sequence stars KW - Photometry KW - Calibrations KW - Systems TI - A uvbyβ survey of northern-hemisphere active binaries II: the m1 deficiency TY - journal article VL - 248 ER -