X-shooter observations of the accreting brown dwarf J053825.4-024241 E. Rigliaco, A. Natta, S. Randich, L. Testi, E. Covino, G. Herczeg and J. M. Alcalá A&A, 526 (2011) L6 Published online: 20 December 2010 DOI: 10.1051/0004-6361/201016002