Radial velocity signatures of Zeeman broadening A. Reiners, D. Shulyak, G. Anglada-Escudé, S. V. Jeffers, J. Morin, M. Zechmeister, O. Kochukhov and N. Piskunov A&A, 552 (2013) A103 Published online: 09 April 2013 DOI: 10.1051/0004-6361/201220437