Overview of an extensive multi-wavelength study of GX 339−4 during the 2010 outburst M. Cadolle Bel, J. Rodriguez, P. D’Avanzo, D. M. Russell, J. Tomsick, S. Corbel, F. W. Lewis, F. Rahoui, M. Buxton, P. Goldoni and E. Kuulkers A&A, 534 (2011) A119 Published online: 19 October 2011 DOI: 10.1051/0004-6361/201117684