Optical polarised phase function of the HR 4796A dust ring J. Milli, N. Engler, H. M. Schmid, J. Olofsson, F. Ménard, Q. Kral, A. Boccaletti, P. Thébault, E. Choquet, D. Mouillet et al. (16 more) A&A, 626 (2019) A54 Published online: 12 June 2019 DOI: 10.1051/0004-6361/201935363