Characterization of very wide companion candidates to young stars with planets and disks F. Z. Majidi, S. Desidera, J. M. Alcalá, A. Frasca, V. D’Orazi, M. Bonnefoy, R. Claudi, R. Gratton and D. Mesa A&A, 644 (2020) A169 Published online: 16 December 2020 DOI: 10.1051/0004-6361/202039031