TY CONF TI Empirical isochrones for single and binary stars in open clusters KW open clusters and associations: general; binaries (including multiple): close JO Modern astronomy: from the Early Universe to exoplanets and black holes AU Mikhnevich, V.. AU Plotnikova, A.. AU Seleznev, A.. AU Carraro, G.. PY 2024 PB Special Astrophysical Observatory of the Russian Academy of Sciences