Extended warm gas in Orion KL as probed by methyl cyanide T. A. Bell, J. Cernicharo, S. Viti, N. Marcelino, Aina Palau, G. B. Esplugues and B. Tercero A&A, 564 (2014) A114 Published online: 15 April 2014 DOI: 10.1051/0004-6361/201321872