Unidentified emission features in the R Coronae Borealis star V854 Centauri L. C. Oostrum, B. B. Ochsendorf, L. Kaper and A. G. G. M. Tielens A&A, 610 (2018) L6 Published online: 19 February 2018 DOI: 10.1051/0004-6361/201731549