HARPS spectropolarimetry of three sharp-lined Herbig Ae stars: New insights S. P. Järvinen, T. A. Carroll, S. Hubrig, M. Schöller, I. Ilyin, H. Korhonen, M. Pogodin and N. A. Drake A&A, 584 (2015) A15 Published online: 13 November 2015 DOI: 10.1051/0004-6361/201526903