A disk asymmetry in motion around the B[e] star MWC158 J. Kluska, M. Benisty, F. Soulez, J.-P. Berger, J.-B. Le Bouquin, F. Malbet, B. Lazareff and E. Thiébaut A&A, 591 (2016) A82 Published online: 20 June 2016 DOI: 10.1051/0004-6361/201527924