First resolved stellar halo kinematics of a Milky Way-mass galaxy outside the Local Group: The flat counter-rotating halo in NGC 4945Camila Beltrand, Antonela Monachesi, Richard D’Souza, Eric F. Bell, Roelof S. de Jong, Facundo A. Gomez, Jeremy Bailin, In Sung Jang and Adam SmercinaA&A, 690 (2024) A115DOI: https://doi.org/10.1051/0004-6361/202450626