Profiling filaments: comparing near-infrared extinction and submillimetre data in TMC-1 J. Malinen, M. Juvela, M. G. Rawlings, D. Ward-Thompson, P. Palmeirim and Ph. André A&A, 544 (2012) A50 Published online: 25 July 2012 DOI: 10.1051/0004-6361/201219573