TY CONF TI Measurements of the flux densities and variability of the standard flux scale ''Artificial Moon'' sources on time scales of 1-8.5 years KW methods: data analysis KW observational; telescopes JO Modern astronomy: from the Early Universe to exoplanets and black holes AU Ivanov, V.. AU Ipatov, A.. AU Rakhimov, I.. AU Andreeva, T.. PY 2024 PB Special Astrophysical Observatory of the Russian Academy of Sciences