Composition of Jupiter irregular satellites sheds light on their origin M. Bhatt, V. Reddy, K. Schindler, E. Cloutis, A. Bhardwaj, L. L. Corre and P. Mann A&A, 608 (2017) A67 Published online: 08 December 2017 DOI: 10.1051/0004-6361/201630361