An unlikely radio halo in the low X-ray luminosity galaxy cluster RXC J1514.9-1523 S. Giacintucci, D. Dallacasa, T. Venturi, G. Brunetti, R. Cassano, M. Markevitch and R. M. Athreya A&A, 534 (2011) A57 Published online: 03 October 2011 DOI: 10.1051/0004-6361/201117820