activity
20222026
most citedHYPerluminous quasars at the Epoch of ReionizatION (HYPERION). A new regime for the X-ray nuclear properties of the first quasars

42 citations · 127 across the 14 of their papers we have counts for

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Showing 2024Show all

5 papers · 1 filter

astro-ph.GA2024★ 12 cited

Molecular gas and dust properties in quasar hosts

Francesco Salvestrini, Chiara Feruglio, Roberta Tripodi +12

Observational campaigns hunting the elusive reservoirs of cold gas in the host galaxies of quasars at the epoch of reionization (EoR) are crucial for studying the formation and evo…

astro-ph.GA2024★ 6 cited

HYPERION: broad-band X-ray-to-near-infrared emission of Quasars in the first billion years of the Universe

I. Saccheo, A. Bongiorno, E. Piconcelli +41

We aim at characterizing the X-ray-to-optical/near-infrared broad-band emission of luminous QSOs in the first Gyr of cosmic evolution to understand whether they exhibit differences…

astro-ph.GA2024★ 6 cited

HYPERION. Shedding light on the first luminous quasars: A correlation between UV disc winds and X-ray continuum

A. Tortosa, L. Zappacosta, E. Piconcelli +41

One of the main open questions in the field of luminous () quasars (QSOs) at is the rapid formation (Gyr) of their superm…

astro-ph.CO2024★ 1 cited

What are the Pillars of Reionization? Revising the AGN Luminosity Function at z~5

Andrea Grazian, Emanuele Giallongo, Konstantina Boutsia +22

In the past, high-z AGNs were given a minor role as possible drivers of reionization, despite initial evidences in favor of their large space densities at low luminosities by Chand…

astro-ph.GA2024★ 19 cited

HYPERION. Coevolution of supermassive black holes and galaxies at and the build-up of massive galaxies

R. Tripodi, C. Feruglio, F. Fiore +22

We used low- to high-frequency ALMA observations to investigate the cold gas and dust in ten QSOs at . Our analysis of the CO(6-5) and CO(7-6) emission lines in the sel…