activity
20142026
most citedThe WISSH Quasars Project I. Powerful ionised outflows in hyper-luminous quasars

201 citations · 369 across the 17 of their papers we have counts for

collaborators

22 papers

astro-ph.HE2026

Supermassive Black Hole Winds in X-rays -- SUBWAYS. VI. Interplay between the soft X-ray excess and ultra-fast outflows

V. E. Gianolli, P-O. Petrucci, S. Bianchi +42

We present a broadband, multiwavelength study of the interplay between the soft X-ray excess (SE), ultra-fast outflows (UFOs), and warm absorbers (WAs) in 21 active galactic nuclei…

cs.LG2026

Distilling Graph Geometry: Knowledge Gap from GNNs to MLPs

Zhewei Chen, Hao Zhu, Jiaojiao Jiang +1

GNN-to-MLP distillation aims to retain the predictive accuracy of a message-passing teacher while deploying a graph-free MLP at inference. Existing methods mainly transfer node-wis…

astro-ph.GA2026

The Multiphase CGM in the Epoch of Reionization: CII and CIV absorbers around [OIII] Emitters

C. Piscitelli, V. D'Odorico, M. Galbiati +17

We investigate the multiphase circumgalactic medium (CGM) during the Epoch of Reionization (EoR, ) by cross-correlating cool- CII and warm-ionized CIV absorption systems with…

astro-ph.GA2026

The WISSH quasars project XIII. A multi-epoch study of ultra-fast broad absorption line outflows at cosmic noon

A. Deconto-Machado, G. Vietri, E. Piconcelli +22

Ultra-fast broad absorption line outflows (uBAL, ~0.1-0.2c) represent some of the most extreme manifestations of quasar-driven winds. We aim to investigate the variability of uBALs…

astro-ph.GA2026

A new era for Dual AGN science with SHARP

P. Severgnini, C. Vignali, A. De Rosa +21

The search for and the characterization of ultra-compact dual active galactic nuclei (AGN) are among the hottest topics of current extragalactic astrophysics. These systems involve…

astro-ph.HE2026★ 2 cited

A XRISM view of the iron line complex in NGC 1068: Rethinking the prototypical Compton-thick AGN

S. Bianchi, B. Vander Meulen, E. Bertola +32

We analyze a XRISM/Resolve observation of NGC1068, focusing on the Fe K and Fe K fluorescent lines and on the Fe XXV and Fe XXVI emission complexes. Line centroid energies, i…

astro-ph.GA2026★ 4 cited

Massive dusty multiphase outflow in local merger shows no sign of slowing on kiloparsec scales

B. Hagedorn, C. Cicone, M. Sarzi +2

We use ALMA CO(1-0) observations and VLT/MUSE rest-frame optical data of the ultraluminous infrared galaxy (ULIRG) IRAS20100-4156 at to characterize its powerful outflow…

astro-ph.GA2025★ 1 cited

Connecting outflows with radio emission in active galactic nuclei at cosmic noon

Gabriele S. Ilha, C. M. Harrison, V. Mainieri +17

AGN feedback is a well known mechanism in the evolution of galaxies. One open question is the driving mechanism of galaxy-scale outflows. At low redshift, radio jets often interact…

astro-ph.GA2025

A deep X-ray look to the most obscured quasar at z~3.6 and its environment

I. Villani, L. Zappacosta, E. Piconcelli +17

The most luminous and obscured quasars (QSOs) detected in infrared all-sky surveys could represent a key co-evolutionary phase from nuclear to circum-galactic (CG) scales in the fo…

astro-ph.HE2025

XRISM/Resolve reveals the complex iron structure of NGC 7213: Evidence for radial stratification between inner disk and broad-line region

E. Kammoun, T. Kawamuro, K. Murakami +48

We present the first high-resolution X-ray spectrum of NGC 7213 obtained with XRISM/Resolve, supported by simultaneous XMM-Newton, NuSTAR, and SOAR optical data. The XRISM spectrum…

astro-ph.HE2025★ 1 cited

Investigating the mysterious nature of 1LHAASO J1740+0948u through deep XMM-Newton observations

G. Brunelli, G. Ponti, H. Zhang +4

1LHAASO J1740+0948u is a very-high-energy (VHE) source reported by LHAASO, with no counterpart at other wavelengths. It is located at 0.2° from PSR J1740+1000, a radio and gamma-ra…

astro-ph.GA2025★ 1 cited

The WISSH quasar project. XII. X-ray view of the most luminous quasi-stellar objects at Cosmic Noon

C. Degli Agosti, C. Vignali, E. Piconcelli +25

To improve our knowledge of nuclear emission in luminous QSOs at Cosmic Noon, we studied the X-ray emission of the WISE/SDSS-selected hyper-luminous (WISSH) QSO sample: 85 broad-li…

astro-ph.GA2025

JWST MIRI/MRS observations of hot molecular gas in an AGN host galaxy at Cosmic Noon

D. Kakkad, V. Mainieri, Takumi S. Tanaka +27

Active Galactic Nuclei (AGN) are believed to play a central role in quenching star formation by removing or destroying molecular gas from host galaxies via radiation-pressure drive…

astro-ph.GA2025

The properties of X-ray selected AGN in protoclusters pinpointed by Enormous Lya Nebulae

A. Traina, F. Vito, F. Arrigoni-Battaia +11

Protoclusters of galaxies are overdense regions of the Universe characterized by large gas reservoirs. Such environments make them perfect laboratories to investigate galaxy-AGN co…

astro-ph.GA2025★ 2 cited

MIRACLE II: Unveiling the multi-phase gas interplay in the circumnuclear region of NGC 1365 via multi-cloud modeling

M. Ceci, C. Marconcini, A. Marconi +25

We present a multi-phase study of the gas in the circumnuclear region (~1.1x1.0 kpc^2) of the nearby Seyfert 1.8 galaxy NGC 1365, observed in the context of the Mid-IR Activity of…

astro-ph.GA2025★ 10 cited

GA-NIFS: Mapping AGN-driven ionized outflows in the COSMOS field

E. Bertola, G. Cresci, G. Venturi +17

Active galactic nuclei (AGNi) are a key ingredient in galaxy evolution and possibly shape galaxy growth through the generation of powerful outflows. Little is known regarding AGN-d…

astro-ph.GA2025★ 3 cited

Outflowing shocked gas dominates the NIR H emission from the dual AGN NGC6240

J. Carlsen, C. Cicone, B. Hagedorn +10

[Abridged] We present a multi-line study of the kinematics of the molecular and ionised gas phases in the central 2 kpc of NGC6240, based on JWST/NIRSpec and ALMA observations. We…

astro-ph.GA2025★ 8 cited

MIRACLE I.: Unveiling the Multi-Phase, Multi-Scale physical properties of the Active Galaxy NGC 424 with MIRI, MUSE, and ALMA

C. Marconcini, A. Feltre, I. Lamperti +26

We present the analysis of the multi-phase gas properties in the Seyfert II galaxy NGC 424, using spatially resolved spectroscopic data from JWST/MIRI, part of the Mid-InfraRed Act…

astro-ph.GA2022★ 23 cited

The WISSH quasars project XI. The mean Spectral Energy Distribution and Bolometric Corrections of the most luminous quasars

Ivano Saccheo, Angela Bongiorno, Enrico Piconcelli +18

Hyper-luminous Quasi-Stellar Objects (QSOs) represent the ideal laboratory to investigate Active Galactic Nuclei (AGN) feedback mechanism since their formidable energy release caus…

astro-ph.GA2017★ 64 cited

On the discovery of fast molecular gas in the UFO/BAL quasar APM 08279+5255 at z=3.912

C. Feruglio, A. Ferrara, M. Bischetti +12

We have performed a high sensitivity observation of the UFO/BAL quasar APM 08279+5255 at z=3.912 with NOEMA at 3.2 mm, aimed at detecting fast moving molecular gas. We report the d…

astro-ph.GA2016★ 201 cited

The WISSH Quasars Project I. Powerful ionised outflows in hyper-luminous quasars

M. Bischetti, E. Piconcelli, G. Vietri +19

Models and observations suggest that both power and effects of AGN feedback should be maximised in hyper-luminous (L_Bol>10^47 erg/s) quasars, i.e. objects at the brightest end of…

astro-ph.GA2014★ 49 cited

The hidden quasar nucleus of a WISE-selected, hyperluminous, dust-obscured galaxy at z ~ 2.3

E. Piconcelli, C. Vignali, S. Bianchi +8

We present the first X-ray spectrum of a Hot dust-obscured galaxy (DOG), namely W1835+4355 at z ~ 2.3. Hot DOGs represent a very rare population of hyperluminous (>= 10^47 erg/s),…