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Complementary accurate photometric data with astrophysical content are needed for a well-chosen sample of binaries and multiple systems for which good-quality astrometric data already exist or will soon be available. The observational programme, started in the context of the European Network of Laboratories "Visual Double Stars" (Oblaket al.1992), is therefore based on samples extracted from the "Catalogue des Composantes d'Etoiles Doubles et Multiples" (CCDM, Dommanget, 1989) and reported indoi:10.1017/s0252921100006734 fatcat:sb6w6qyzgzbr3hvg2bslg6eno4