Characterizing the astrometric precision limit for moving targets observed with digital-array detectorsS. Bouquillon, R. A. Mendez, M. Altmann, T. Carlucci, C. Barache, F. Taris, A. H. Andrei and R. SmartA&A, 606 (2017) A27DOI: https://doi.org/10.1051/0004-6361/201628167