43 citations · 143 across the 10 of their papers we have counts for
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astro-ph.GA2023★ 42 cited
HYPerluminous quasars at the Epoch of ReionizatION (HYPERION). A new regime for the X-ray nuclear properties of the first quasars
L. Zappacosta, E. Piconcelli, F. Fiore +40
The existence of luminous quasars (QSO) at the Epoch of Reionization (EoR; i.e. z>6) powered by supermassive black holes (SMBH) with masses challenges models…
astro-ph.GA2023
X-HESS: a large sample of highly accreting serendipitous AGN under the XMM-Newton microscope
M. Laurenti, F. Tombesi, F. Vagnetti +3
The bulk of X-ray spectroscopic studies of active galactic nuclei (AGN) are focused on local () sources with low-to-moderate () Eddington ratio ().…