Preprint
Oct 2026
A relativistic inflow candidate in a quasar at cosmic noon
Cosmic noon ($z\sim2$) marks the peak epoch of cosmic star formation and black hole accretion activity, where strong accretion and outflows are expected. We report two candidate absorption features in the \textit{XMM-Newton} spectrum of the quasar WISEA~J094835.95+432302.6 at $z=1.893$. Two redshifted features occur at...
Ye-Rong Xu, Xiu-Rui Zhao, E. Bertola et al.
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