activity
20092026
most citedEuclid. I. Overview of the Euclid mission

550 citations · 3.7k across the 149 of their papers we have counts for

collaborators
Showing astro-ph.HEShow all

5 papers · 1 filter

astro-ph.HE2025

Euclid Quick Data Release (Q1). The active galaxies of Euclid

Euclid Collaboration, T. Matamoro Zatarain, S. Fotopoulou +355

We present a catalogue of candidate active galactic nuclei (AGN) in the Quick Release (Q1) fields. For each source we collect multi-wavelength photometry and spec…

astro-ph.HE2023★ 16 cited

The universal shape of the X-ray variability power spectrum of AGN up to

M. Paolillo, I. E. Papadakis, W. N. Brandt +12

We study the ensemble X-ray variability properties of Active Galactic Nuclei (AGN) over a large range of timescales (20 ks 14 yrs), redshift (), lu…

astro-ph.HE2017★ 67 cited

Tracing the accretion history of supermassive Black Holes through X-ray variability: results from the Chandra Deep Field-South

M. Paolillo, I. Papadakis, W. N. Brandt +15

We study the X-ray variability properties of distant AGNs in the Chandra Deep Field-South region over 17 years, up to , and compare them with those predicted by models bas…

astro-ph.HE2017★ 104 cited

The Chandra COSMOS legacy survey: Energy Spectrum of the Cosmic X-ray Background and constraints on undetected populations

Nico Cappelluti, Yanxia Li, Angelo Ricarte +15

Using {\em Chandra} observations in the 2.15 deg COSMOS legacy field, we present one of the most accurate measurements of the Cosmic X-ray Background (CXB) spectrum to date i…

astro-ph.HE2012★ 57 cited

Measuring X-ray variability in faint/sparsely-sampled AGN

V. Allevato, M. Paolillo, I. Papadakis +1

We study the statistical properties of the Normalized Excess Variance of variability process characterized by a red-noise power spectral density (PSD), as the case of Active Galact…