The protoplanetary system HD 100546 in Hα polarized light from SPHERE/ZIMPOL - A bar-like structure across the disk gap?I. Mendigutía, R. D. Oudmaijer, A. Garufi, S. L. Lumsden, N. Huélamo, A. Cheetham, W. J. de Wit, B. Norris, F. A. Olguin and P. TuthillA&A, 608 (2017) A104DOI: https://doi.org/10.1051/0004-6361/201731131
