First detection of CF+ towards a high-mass protostar S. Fechtenbaum, S. Bontemps, N. Schneider, T. Csengeri, A. Duarte-Cabral, F. Herpin and B. Lefloch A&A, 574 (2015) L4 Published online: 22 January 2015 DOI: 10.1051/0004-6361/201424718