TY CONF TI Magnetic and photometric variability of the super-slowly rotating Ap star GY And (HD 9996) KW stars: magnetic field KW rotation JO Modern astronomy: from the Early Universe to exoplanets and black holes AU Bychkov, V.. AU Bychkova, L.. AU Madey, J.. AU Komissarova, G.. AU Metlova, N.. PY 2024 PB Special Astrophysical Observatory of the Russian Academy of Sciences