On the puzzling high-energy pulsations of the energetic radio-quiet $\gamma$-ray pulsar J1813$-$1246

M. Marelli, A. Harding, D. Pizzocaro +6

We have analyzed the new deep {\it XMM-Newton} and {\it Chandra} observations of the energetic radio-quiet pulsar J1813$-$1246. The X-ray spectrum is non-thermal, very hard and abs…