Characterization of very wide companion candidates to young stars with planets and disksF. Z. Majidi, S. Desidera, J. M. Alcalá, A. Frasca, V. D’Orazi, M. Bonnefoy, R. Claudi, R. Gratton and D. MesaA&A, 644 (2020) A169DOI: https://doi.org/10.1051/0004-6361/202039031