HST/WFPC2 observations of the LMC pulsar PSR B0540–69 R. P. Mignani, A. Sartori, A. De Luca, B. Rudak, A. Słowikowska, G. Kanbach and P. A. Caraveo A&A, 515 (2010) A110 Published online: 15 June 2010 DOI: 10.1051/0004-6361/200913870