Revisiting the X-ray-to-UV relation of Quasars in the era of all-sky surveys

Maria Chira, Antonis Georgakakis, Angel Ruiz +8

The X-ray--to--UV relation of active galactic nuclei (AGNs), commonly parametrized via the monochromatic luminosities at $2500\mathring{A}$ and $2keV$, reflects the energetic i…