Stellar population of the superbubble N 206 in the LMC - I. Analysis of the Of-type stars Varsha Ramachandran, R. Hainich, W.-R. Hamann, L. M. Oskinova, T. Shenar, A. A. C. Sander, H. Todt and J. S. Gallagher A&A, 609 (2018) A7 Published online: 22 December 2017 DOI: 10.1051/0004-6361/201731093