HST/NICMOS observations of a proto-brown dwarf candidate D. Apai, L. V. Tóth, T. Henning, R. Vavrek, Z. Kovács and D. Lemke A&A, 433 2 (2005) L33-L36 Published online: 22 March 2005 DOI: 10.1051/0004-6361:200500098