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A low-mass brown dwarf has been recently imaged around HR 2562 (HD 50571), a star hosting a debris disk resolved in the far infrared. Interestingly, the companion location is compatible with an orbit coplanar with the disk and interior to the debris belt. This feature makes the system a valuable laboratory to analyze the formation of substellar companions in a circumstellar disk and potential disk-companion dynamical interactions. Aims. We aim to further characterize the orbital motion of HR 2562 B and its interactions with the host star debris disk. Methods. We performed a monitoring","authors_text":"A. Boccaletti, A. Delboulb\\'e, A.-L. Maire, A.-M. Lagrange, A. Pavlov, A. Roux, A. Vigan, A. Zurlo, C. Lazzoni, C. Petit, D. Maurel, D. Mesa, D. Perret, D. Rouan, F. Cantalloube, F. Rigal, G. Chauvin, H. Beust, H. Klahr, H. Le Coroller, J.-C. Augereau, J. Hagelberg, J. Olofsson, J. R. Ramos, L. Abe, L. Rodet, L. Weber, M. Bonnefoy, M. Carle, M. Feldt, M. Janson, M. Keppler, M. 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