Compositional characterisation of the Themis family M. Marsset, P. Vernazza, M. Birlan, F. DeMeo, R. P. Binzel, C. Dumas, J. Milli and M. Popescu A&A, 586 (2016) A15 Published online: 20 January 2016 DOI: 10.1051/0004-6361/201526962