Simultaneous independent measurements of a truncated inner accretion disc in the low/hard state of GX 399$-$4

D. S. Plant, K. O'Brien, R. P. Fender

We present results from three recent XMM-Newton observations of GX 339$-$4 in the low/hard state, taken during the decay of a bright (peak $\sim 0.05$ L${}_{\mathrm{Edd}}$) failed outburs…