GMRT radio observations of the transiting extrasolar planet HD 189733 b at 244 and 614 MHz A. Lecavelier des Etangs, S. K. Sirothia, Gopal-Krishna and P. Zarka A&A, 500 3 (2009) L51-L54 Published online: 27 May 2009 DOI: 10.1051/0004-6361/200912347