activity
20192026
most citedThe space density of z>4 blazars

39 citations · 223 across the 22 of their papers we have counts for

collaborators
Showing 2025Show all

5 papers · 1 filter

astro-ph.HE2025★ 3 cited

The Advanced X-ray Imaging Satellite (AXIS) Community Science Book

Michael Koss, Nafisa Aftab, Steven W. Allen +395

The AXIS Community Science Book represents the collective effort of 592 scientists worldwide to define the transformative science enabled by the Advanced X-ray Imaging Satellite (A…

astro-ph.GA2025

X-ray investigation of possible super-Eddington accretion in a radio-loud quasar at

L. Ighina, A. Caccianiga, T. Connor +19

We present radio and X-ray observations of the recently discovered radio-powerful quasar RACS J032021.44352104.1 using uGMRT, ATCA, LBA, and Chandra. The observed radio…

astro-ph.GA2025

The Centre of Attention: a Powerful Radio Galaxy Pinpoints a NIR-Dark Protocluster at z~3.9

A. J. Hedge, N. Seymour, J. W. Broderick +8

We report the discovery of a protocluster identified from Atacama Large Millimetre/sub-millimetre Array Band 3 spectral scans of a bright radio source selected from the…

astro-ph.GA2025★ 6 cited

High- radio Quasars in RACS I: Selection, identification, and multi-wavelength properties

L. Ighina, A. Caccianiga, A. Moretti +21

Radio-bright, jetted quasars at serve as unique laboratories for studying supermassive black hole activity in the early Universe. In this work, we present a sample of high-$z…

astro-ph.GA2025★ 11 cited

ESPRESSO reveals a single but perturbed broad-line region in the supermassive black hole binary candidate PG 1302-102

Fabio Rigamonti, Paola Severgnini, Erika Sottocorno +12

We present a new, Bayesian analysis of the highest-resolution optical spectrum of the supermassive black hole (SMBH) binary candidate PG 1302-102, obtained with ESPRESSO@VLT (R \si…