Imaging a ring-like structure and the extended jet of M87 at 86 GHz Jong-Seo Kim, Hendrik Müller, Aleksei S. Nikonov, Ru-Sen Lu, Jakob Knollmüller, Torsten A. Enßlin, Maciek Wielgus and Andrei P. Lobanov A&A, 696 (2025) A169 Published online: 21 April 2025 DOI: 10.1051/0004-6361/202452038