Stellar wind interaction and pick-up ion escape of the Kepler-11 “super-Earths”K. G. Kislyakova, C. P. Johnstone, P. Odert, N. V. Erkaev, H. Lammer, T. Lüftinger, M. Holmström, M. L. Khodachenko and M. GüdelA&A, 562 (2014) A116DOI: https://doi.org/10.1051/0004-6361/201322933