Estimation and reduction of the biases by the galactic magnetic field on the UHECR correlation studies Ryo Higuchi, Takashi Sako, Toshihiro Fujii, Kazumasa Kawata and Eiji Kido EPJ Web Conf., 283 (2023) 03011 Published online: 28 April 2023 DOI: 10.1051/epjconf/202328303011