Unveiling the latest evolution of SNR 1987A

SN 1987A was the first naked eye supernova since Kepler.s SN of 1604. In thelast few years, the blast wave has been interacting with the dense circumstellarmaterial, which provided us the first opportunity to monitor the evolution froma supernova to a supernova remnant. SNR 1987A is now entering a new evolutionstage. We expect to detect, for the first time, the Xray emission from theshocked ejecta and the highlatitude material beyond the equatorial ring in thenearest future. This new information will allow us to deeper study the explosionmechanism and progenitor properties. It could be also important to look fornonthermal Xrays related to the particle acceleration. Aiming at these newfeatures, we propose a 90 ks XMMNewton observation of SNR 1987A. truncated!, Please see actual data for full text [truncated!, Please see actual data for full text]