The nearest X-ray emitting protostellar jet (HH 154) observed with Hubble R. Bonito, C. V. M. Fridlund, F. Favata, G. Micela, G. Peres, A. A. Djupvik and R. Liseau A&A, 484 2 (2008) 389-399 Published online: 22 April 2008 DOI: 10.1051/0004-6361:200809347