The first X-ray look at SMSS J114447.77-430859.3: the most luminous quasar in the last 9 Gyr

E. S. Kammoun, Z. Igo, J. M. Miller +18

SMSS\,J114447.77-430859.3 ($z=0.83$) has been identified in the SkyMapper Southern Survey as the most luminous quasar in the last $\sim 9\mathrm{Gyr}$. In this paper, we report on the…