The variable stellar wind of Rigel probed at high spatial and spectral resolutionO. Chesneau, A. Kaufer, O. Stahl, C. Colvinter, A. Spang, L. Dessart, R. Prinja and R. ChiniA&A, 566 (2014) A125DOI: https://doi.org/10.1051/0004-6361/201322894