Parkes observations for project P361 semester 2011OCTS

The neutron star-white dwarf relativistic binary PSR J1141-6545 is a unique target for testing General Relativity and its competing alternatives. Our eight years of timing observations have enabled measurements of its orbital decay and Shapiro delay, as well as accurate determination of the two stellar masses. The limits derived from our timing for the strongly non-linear coupling parameter of tensor-scalar theories of gravity are currently the most stringent to date and are expected to improve dramatically over the next few years. In light of these encouraging results and future prospects, we propose to continue regular observations of this pulsar.