High signal-to-noise spectral characterization of the planetary-mass object HD 106906 bSebastian Daemgen, Kamen Todorov, Sascha P. Quanz, Michael R. Meyer, Christoph Mordasini, Gabriel-Dominique Marleau and Jonathan J. FortneyA&A, 608 (2017) A71DOI: https://doi.org/10.1051/0004-6361/201731527