The variable stellar wind of Rigel probed at high spatial and spectral resolution O. Chesneau, A. Kaufer, O. Stahl, C. Colvinter, A. Spang, L. Dessart, R. Prinja and R. Chini A&A, 566 (2014) A125 Published online: 23 June 2014 DOI: 10.1051/0004-6361/201322894