First results from a large-scale proper motion study of the Galactic centre B. Shahzamanian, R. Schödel, F. Nogueras-Lara, H. Dong, E. Gallego-Cano, A. T. Gallego-Calvente and A. Gardini A&A, 632 (2019) A116 Published online: 12 December 2019 DOI: 10.1051/0004-6361/201936579