Low-frequency photospheric and wind variability in the early-B supergiant HD 2905S. Simón-Díaz, C. Aerts, M. A. Urbaneja, I. Camacho, V. Antoci, M. Fredslund Andersen, F. Grundahl and P. L. PalléA&A, 612 (2018) A40DOI: https://doi.org/10.1051/0004-6361/201732160