Fundamental parameters of the Ap-stars GO And, 84 UMa, and κ Psc A. M. Romanovskaya, D. V. Shulyak, T. A. Ryabchikova and T. M. Sitnova A&A, 655 (2021) A106 Published online: 01 December 2021 DOI: 10.1051/0004-6361/202141740